{"id":179,"date":"2026-03-24T23:39:11","date_gmt":"2026-03-24T15:39:11","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=179"},"modified":"2026-03-24T23:39:12","modified_gmt":"2026-03-24T15:39:12","slug":"%e4%bc%a0%e8%be%93%e5%b1%82%e5%8d%8f%e8%ae%ae-tcp%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/24\/%e4%bc%a0%e8%be%93%e5%b1%82%e5%8d%8f%e8%ae%ae-tcp%e5%8d%8f%e8%ae%ae\/","title":{"rendered":"\u4f20\u8f93\u5c42\u534f\u8bae-TCP\u534f\u8bae"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">TCP\u534f\u8bae<\/h2>\n\n\n\n<p>TCP\u5168\u79f0\u4e3a\u201c\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff08Transmission Control 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wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u7f51\u7edc\u4e2d\u4f1a\u5b58\u5728\u4e0d\u53ef\u9760\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u73b0\u4ee3\u7684\u8ba1\u7b97\u673a\u5927\u90e8\u5206\u90fd\u662f\u57fa\u4e8e\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/00a4aeedf00b48009ab63c892dea1c1e.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/00a4aeedf00b48009ab63c892dea1c1e.png\" 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alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u867d\u7136\u8fd9\u91cc\u7684\u8f93\u5165\u8bbe\u5907\u3001\u8f93\u51fa\u8bbe\u5907\u3001\u5185\u5b58\u3001CPU\u90fd\u5728\u4e00\u53f0\u673a\u5668\u4e0a\uff0c\u4f46\u8fd9\u51e0\u4e2a\u786c\u4ef6\u8bbe\u5907\u662f\u5f7c\u6b64\u72ec\u7acb\u7684\u3002\u5982\u679c\u5b83\u4eec\u4e4b\u95f4\u8981\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\uff0c\u5c31\u5fc5\u987b\u8981\u60f3\u529e\u6cd5\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u8fd9\u51e0\u4e2a\u8bbe\u5907\u5b9e\u9645\u662f\u7528\u201c\u7ebf\u201d\u8fde\u63a5\u8d77\u6765\u7684\uff0c\u5176\u4e2d\u8fde\u63a5\u5185\u5b58\u548c\u5916\u8bbe\u4e4b\u95f4\u7684\u201c\u7ebf\u201d\u53eb\u505aIO\u603b\u7ebf\uff0c\u800c\u8fde\u63a5\u5185\u5b58\u548cCPU\u4e4b\u95f4\u7684\u201c\u7ebf\u201d\u53eb\u505a\u7cfb\u7edf\u603b\u7ebf\u3002\u7531\u4e8e\u8fd9\u51e0\u4e2a\u786c\u4ef6\u8bbe\u5907\u90fd\u662f\u5728\u4e00\u53f0\u673a\u5668\u4e0a\u7684\uff0c\u56e0\u6b64\u8fd9\u91cc\u4f20\u8f93\u6570\u636e\u7684\u201c\u7ebf\u201d\u662f\u5f88\u77ed\u7684\uff0c\u4f20\u8f93\u6570\u636e\u65f6\u51fa\u73b0\u9519\u8bef\u7684\u6982\u7387\u4e5f\u975e\u5e38\u4f4e\u3002<\/p>\n\n\n\n<p>\u4f46\u5982\u679c\u8981\u8fdb\u884c\u901a\u4fe1\u7684\u5404\u4e2a\u8bbe\u5907\u76f8\u9694\u5343\u91cc\uff0c\u90a3\u4e48\u8fde\u63a5\u5404\u4e2a\u8bbe\u5907\u7684\u201c\u7ebf\u201d\u5c31\u4f1a\u53d8\u5f97\u975e\u5e38\u957f\uff0c\u4f20\u8f93\u6570\u636e\u65f6\u51fa\u73b0\u9519\u8bef\u7684\u6982\u7387\u4e5f\u4f1a\u5927\u5927\u589e\u9ad8\uff0c\u6b64\u65f6\u8981\u4fdd\u8bc1\u4f20\u8f93\u5230\u5bf9\u7aef\u7684\u6570\u636e\u65e0\u8bef\uff0c\u5c31\u5fc5\u987b\u5f15\u5165\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u7f51\u7edc\u4e2d\u5b58\u5728\u4e0d\u53ef\u9760\u7684\u6839\u672c\u539f\u56e0\u5c31\u662f\uff0c\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u6240\u7528\u7684\u201c\u7ebf\u201d\u592a\u957f\u4e86\uff0c\u6570\u636e\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5c31\u53ef\u80fd\u4f1a\u51fa\u73b0\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u800cTCP\u5c31\u662f\u5728\u6b64\u80cc\u666f\u4e0b\u8bde\u751f\u7684\uff0cTCP\u5c31\u662f\u4e00\u79cd\u4fdd\u8bc1\u53ef\u9760\u6027\u7684\u534f\u8bae\u3002<br><strong>\u601d\u7ef4\u6269\u5c55\uff1a<\/strong><\/p>\n\n\n\n<ul 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wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u56de\u5b58\u5728UDP\u534f\u8bae\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u534f\u8bae\u662f\u4e00\u79cd\u53ef\u9760\u7684\u4f20\u8f93\u534f\u8bae\uff0c\u4f7f\u7528TCP\u534f\u8bae\u80fd\u591f\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u65f6\u7684\u53ef\u9760\u6027\uff0c\u800cUDP\u534f\u8bae\u662f\u4e00\u79cd\u4e0d\u53ef\u9760\u7684\u4f20\u8f93\u534f\u8bae\uff0c\u90a3UDP\u534f\u8bae\u8fd9\u79cd\u4e0d\u53ef\u9760\u7684\u534f\u8bae\u5b58\u5728\u6709\u4ec0\u4e48\u610f\u4e49\u5462\uff1f<\/p>\n\n\n\n<p>\u4e0d\u53ef\u9760\u548c\u53ef\u9760\u662f\u4e24\u4e2a\u4e2d\u6027\u8bcd\uff0c\u5b83\u4eec\u63cf\u8ff0\u7684\u90fd\u662f\u534f\u8bae\u7684\u7279\u70b9\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-heading\">TCP\u534f\u8bae\u683c\u5f0f<\/h3>\n\n\n\n<p>TCP\u534f\u8bae\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/e92f63c7a21448f4936df72cb36f5577.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/e92f63c7a21448f4936df72cb36f5577.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>TCP\u62a5\u5934\u5f53\u4e2d\u5404\u4e2a\u5b57\u6bb5\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90\/\u76ee\u7684\u7aef\u53e3\u53f7\uff1a\u8868\u793a\u6570\u636e\u662f\u4ece\u54ea\u4e2a\u8fdb\u7a0b\u6765\uff0c\u5230\u53d1\u9001\u5230\u5bf9\u7aef\u4e3b\u673a\u4e0a\u7684\u54ea\u4e2a\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>32\u4f4d\u5e8f\u53f7\/32\u4f4d\u786e\u8ba4\u5e8f\u53f7\uff1a\u5206\u522b\u4ee3\u8868TCP\u62a5\u6587\u5f53\u4e2d\u6bcf\u4e2a\u5b57\u8282\u6570\u636e\u7684\u7f16\u53f7\u4ee5\u53ca\u5bf9\u5bf9\u65b9\u7684\u786e\u8ba4\uff0c\u662fTCP\u4fdd\u8bc1\u53ef\u9760\u6027\u7684\u91cd\u8981\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>4\u4f4dTCP\u62a5\u5934\u957f\u5ea6\uff1a\u8868\u793a\u8be5TCP\u62a5\u5934\u7684\u957f\u5ea6\uff0c\u4ee54\u5b57\u8282\u4e3a\u5355\u4f4d\u3002<\/li>\n\n\n\n<li>6\u4f4d\u4fdd\u7559\u5b57\u6bb5\uff1aTCP\u62a5\u5934\u4e2d\u6682\u65f6\u672a\u4f7f\u7528\u76846\u4e2a\u6bd4\u7279\u4f4d\u3002<\/li>\n\n\n\n<li>16\u4f4d\u7a97\u53e3\u5927\u5c0f\uff1a\u4fdd\u8bc1TCP\u53ef\u9760\u6027\u673a\u5236\u548c\u6548\u7387\u63d0\u5347\u673a\u5236\u7684\u91cd\u8981\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>16\u4f4d\u68c0\u9a8c\u548c\uff1a\u7531\u53d1\u9001\u7aef\u586b\u5145\uff0c\u91c7\u7528CRC\u6821\u9a8c\u3002\u63a5\u6536\u7aef\u6821\u9a8c\u4e0d\u901a\u8fc7\uff0c\u5219\u8ba4\u4e3a\u63a5\u6536\u5230\u7684\u6570\u636e\u6709\u95ee\u9898\u3002\uff08\u68c0\u9a8c\u548c\u5305\u542bTCP\u9996\u90e8+TCP\u6570\u636e\u90e8\u5206\uff09<\/li>\n\n\n\n<li>16\u4f4d\u7d27\u6025\u6307\u9488\uff1a\u6807\u8bc6\u7d27\u6025\u6570\u636e\u5728\u62a5\u6587\u4e2d\u7684\u504f\u79fb\u91cf\uff0c\u9700\u8981\u914d\u5408\u6807\u5fd7\u5b57\u6bb5\u5f53\u4e2d\u7684URG\u5b57\u6bb5\u7edf\u4e00\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u9009\u9879\u5b57\u6bb5\uff1aTCP\u62a5\u5934\u5f53\u4e2d\u5141\u8bb8\u643a\u5e26\u989d\u5916\u7684\u9009\u9879\u5b57\u6bb5\uff0c\u6700\u591a40\u5b57\u8282\u3002<\/li>\n<\/ul>\n\n\n\n<p>TCP\u62a5\u5934\u5f53\u4e2d\u76846\u4f4d\u6807\u5fd7\u4f4d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>URG\uff1a\u7d27\u6025\u6307\u9488\u662f\u5426\u6709\u6548\u3002<\/li>\n\n\n\n<li>ACK\uff1a\u786e\u8ba4\u5e8f\u53f7\u662f\u5426\u6709\u6548\u3002<\/li>\n\n\n\n<li>PSH\uff1a\u63d0\u793a\u63a5\u6536\u7aef\u5e94\u7528\u7a0b\u5e8f\u7acb\u523b\u5c06TCP\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u8bfb\u8d70\u3002<\/li>\n\n\n\n<li>RST\uff1a\u8868\u793a\u8981\u6c42\u5bf9\u65b9\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002\u6211\u4eec\u628a\u643a\u5e26RST\u6807\u8bc6\u7684\u62a5\u6587\u79f0\u4e3a\u590d\u4f4d\u62a5\u6587\u6bb5\u3002<\/li>\n\n\n\n<li>SYN\uff1a\u8868\u793a\u8bf7\u6c42\u4e0e\u5bf9\u65b9\u5efa\u7acb\u8fde\u63a5\u3002\u6211\u4eec\u628a\u643a\u5e26SYN\u6807\u8bc6\u7684\u62a5\u6587\u79f0\u4e3a\u540c\u6b65\u62a5\u6587\u6bb5\u3002<\/li>\n\n\n\n<li>FIN\uff1a\u901a\u77e5\u5bf9\u65b9\uff0c\u672c\u7aef\u8981\u5173\u95ed\u4e86\u3002\u6211\u4eec\u628a\u643a\u5e26FIN\u6807\u8bc6\u7684\u62a5\u6587\u79f0\u4e3a\u7ed3\u675f\u62a5\u6587\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n<p>TCP\u62a5\u5934\u5728\u5185\u6838\u5f53\u4e2d\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u4f4d\u6bb5\u7c7b\u578b\uff0c\u7ed9\u6570\u636e\u5c01\u88c5TCP\u62a5\u5934\u65f6\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u7528\u8be5\u4f4d\u6bb5\u7c7b\u578b\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\uff0c\u7136\u540e\u586b\u5145TCP\u62a5\u5934\u5f53\u4e2d\u7684\u5404\u4e2a\u5c5e\u6027\u5b57\u6bb5\uff0c\u6700\u540e\u5c06\u8fd9\u4e2aTCP\u62a5\u5934\u62f7\u8d1d\u5230\u6570\u636e\u7684\u9996\u90e8\uff0c\u81f3\u6b64\u4fbf\u5b8c\u6210\u4e86TCP\u62a5\u5934\u7684\u5c01\u88c5\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u5982\u4f55\u5c06\u62a5\u5934\u4e0e\u6709\u6548\u8f7d\u8377\u8fdb\u884c\u5206\u79bb\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53TCP\u4ece\u5e95\u5c42\u83b7\u53d6\u5230\u4e00\u4e2a\u62a5\u6587\u540e\uff0c\u867d\u7136TCP\u4e0d\u77e5\u9053\u62a5\u5934\u7684\u5177\u4f53\u957f\u5ea6\uff0c\u4f46\u62a5\u5934\u7684\u524d20\u4e2a\u5b57\u8282\u662fTCP\u7684\u57fa\u672c\u62a5\u5934\uff0c\u5e76\u4e14\u8fd920\u4e2a\u5b57\u8282\u5f53\u4e2d\u6db5\u76d6\u4e864\u4f4d\u7684\u9996\u90e8\u957f\u5ea6\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64TCP\u662f\u8fd9\u6837\u5206\u79bb\u62a5\u5934\u4e0e\u6709\u6548\u8f7d\u8377\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53TCP\u83b7\u53d6\u5230\u4e00\u4e2a\u62a5\u6587\u540e\uff0c\u9996\u5148\u8bfb\u53d6\u62a5\u6587\u7684\u524d20\u4e2a\u5b57\u8282\uff0c\u5e76\u4ece\u4e2d\u63d0\u53d6\u51fa4\u4f4d\u7684\u9996\u90e8\u957f\u5ea6\uff0c\u6b64\u65f6\u4fbf\u83b7\u5f97\u4e86TCP\u62a5\u5934\u7684\u5927\u5c0fsize\u3002<\/li>\n\n\n\n<li>\u5f53size\u7684\u503c\u5927\u4e8e20\u5b57\u8282\uff0c\u5219\u9700\u8981\u7ee7\u7eed\u4ece\u62a5\u6587\u5f53\u4e2d\u8bfb\u53d6size-20\u5b57\u8282\u7684\u6570\u636e\uff0c\u8fd9\u90e8\u5206\u6570\u636e\u5c31\u662fTCP\u62a5\u5934\u5f53\u4e2d\u7684\u9009\u9879\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u8bfb\u53d6\u5b8cTCP\u7684\u57fa\u672c\u62a5\u5934\u548c\u9009\u9879\u5b57\u6bb5\u540e\uff0c\u5269\u4e0b\u7684\u5c31\u662f\u6709\u6548\u8f7d\u8377\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTCP\u62a5\u5934\u5f53\u4e2d\u76844\u4f4d\u9996\u90e8\u957f\u5ea6\u63cf\u8ff0\u7684\u57fa\u672c\u5355\u4f4d\u662f4\u5b57\u8282\uff0c\u8fd9\u4e5f\u6070\u597d\u662f\u62a5\u6587\u7684\u5bbd\u5ea6\u30024\u4e3a\u9996\u90e8\u957f\u5ea6\u7684\u53d6\u503c\u8303\u56f4\u662f0000~1111\uff0c\u56e0\u6b64TCP\u62a5\u5934\u6700\u5927\u957f\u5ea6\u4e3a15*4=60\u5b57\u8282\uff0c\u56e0\u4e3a\u57fa\u672c\u62a5\u5934\u7684\u957f\u5ea6\u662f20\u5b57\u8282\uff0c\u6240\u4ee5\u62a5\u5934\u4e2d\u9009\u9879\u5b57\u6bb5\u7684\u957f\u5ea6\u6700\u591a\u662f40\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u5982\u679cTCP\u62a5\u5934\u4e2d\u4e0d\u643a\u5e26\u9009\u9879\u5b57\u6bb5\uff0c\u90a3\u4e48TCP\u62a5\u5934\u7684\u957f\u5ea6\u5c31\u662f20\u5b57\u8282\uff0c\u6b64\u65f6\u62a5\u5934\u5f53\u4e2d\u76844\u4f4d\u9996\u90e8\u957f\u5ea6\u7684\u503c\u5c31\u4e3a20\u00f74=5\uff0c\u4e5f\u5c31\u662f0101\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u5982\u4f55\u51b3\u5b9a\u5c06\u6709\u6548\u8f7d\u8377\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u7684\u54ea\u4e00\u4e2a\u534f\u8bae\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5e94\u7528\u5c42\u7684\u6bcf\u4e00\u4e2a\u7f51\u7edc\u8fdb\u7a0b\u90fd\u5fc5\u987b\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u670d\u52a1\u7aef\u8fdb\u7a0b\u5fc5\u987b\u663e\u793a\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u8fdb\u7a0b\u7531\u7cfb\u7edf\u52a8\u6001\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u800cTCP\u7684\u62a5\u5934\u4e2d\u6db5\u76d6\u4e86\u76ee\u7684\u7aef\u53e3\u53f7\uff0c\u56e0\u6b64TCP\u53ef\u4ee5\u63d0\u53d6\u51fa\u62a5\u5934\u4e2d\u7684\u76ee\u7684\u7aef\u53e3\u53f7\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u5e94\u7528\u5c42\u8fdb\u7a0b\uff0c\u8fdb\u800c\u5c06\u6709\u6548\u8f7d\u8377\u4ea4\u7ed9\u5bf9\u5e94\u7684\u5e94\u7528\u5c42\u8fdb\u7a0b\u8fdb\u884c\u5904\u7406\u3002<\/p>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong> \u5185\u6838\u4e2d\u7528\u54c8\u5e0c\u7684\u65b9\u5f0f\u7ef4\u62a4\u4e86\u7aef\u53e3\u53f7\u4e0e\u8fdb\u7a0bID\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u56e0\u6b64\u4f20\u8f93\u5c42\u53ef\u4ee5\u901a\u8fc7\u7aef\u53e3\u53f7\u5feb\u901f\u627e\u5230\u5176\u5bf9\u5e94\u7684\u8fdb\u7a0bID\uff0c\u8fdb\u800c\u627e\u5230\u5bf9\u5e94\u7684\u5e94\u7528\u5c42\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e8f\u53f7\u4e0e\u786e\u8ba4\u5e8f\u53f7<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4ec0\u4e48\u662f\u771f\u6b63\u7684\u53ef\u9760\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u65f6\uff0c\u4e00\u65b9\u53d1\u51fa\u7684\u6570\u636e\u540e\uff0c\u5b83\u4e0d\u80fd\u4fdd\u8bc1\u8be5\u6570\u636e\u80fd\u591f\u6210\u529f\u88ab\u5bf9\u7aef\u6536\u5230\uff0c\u56e0\u4e3a\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u51fa\u73b0\u5404\u79cd\u5404\u6837\u7684\u9519\u8bef\uff0c\u53ea\u6709\u5f53\u6536\u5230\u5bf9\u7aef\u4e3b\u673a\u53d1\u6765\u7684\u54cd\u5e94\u6d88\u606f\u540e\uff0c\u8be5\u4e3b\u673a\u624d\u80fd\u4fdd\u8bc1\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u88ab\u5bf9\u7aef\u53ef\u9760\u7684\u6536\u5230\u4e86\uff0c\u8fd9\u5c31\u53eb\u505a\u771f\u6b63\u7684\u53ef\u9760\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/7280761ff3054847b3813ae04255bbfd.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/7280761ff3054847b3813ae04255bbfd.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u56fe\u6ce8\uff1a\u5b9e\u7ebf\u8868\u793a\u8be5\u6570\u636e\u80fd\u591f\u88ab\u5bf9\u65b9\u53ef\u9760\u7684\u6536\u5230\uff0c\u865a\u7ebf\u5219\u4e0d\u80fd\u4fdd\u8bc1\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u4f46TCP\u8981\u4fdd\u8bc1\u7684\u662f\u53cc\u65b9\u901a\u4fe1\u7684\u53ef\u9760\u6027\uff0c\u867d\u7136\u6b64\u65f6\u4e3b\u673aA\u80fd\u591f\u4fdd\u8bc1\u81ea\u5df1\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u88ab\u4e3b\u673aB\u53ef\u9760\u7684\u6536\u5230\u4e86\uff0c\u4f46\u4e3b\u673aB\u4e5f\u9700\u8981\u4fdd\u8bc1\u81ea\u5df1\u53d1\u9001\u7ed9\u4e3b\u673aA\u7684\u54cd\u5e94\u6570\u636e\u88ab\u4e3b\u673aA\u53ef\u9760\u7684\u6536\u5230\u4e86\u3002\u56e0\u6b64\u4e3b\u673aA\u5728\u6536\u5230\u4e86\u4e3b\u673aB\u7684\u54cd\u5e94\u6d88\u606f\u540e\uff0c\u8fd8\u9700\u8981\u5bf9\u8be5\u54cd\u5e94\u6570\u636e\u8fdb\u884c\u54cd\u5e94\uff0c\u4f46\u6b64\u65f6\u53c8\u9700\u8981\u4fdd\u8bc1\u4e3b\u673aA\u53d1\u9001\u7684\u54cd\u5e94\u6570\u636e\u7684\u53ef\u9760\u6027\u2026\uff0c\u8fd9\u6837\u5c31\u9677\u5165\u4e86\u4e00\u4e2a\u6b7b\u5faa\u73af\u3002<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/5f278778c2f0477483b090e10c3c7e23.png\" alt=\"img\"><\/p>\n\n\n\n<p>\u56e0\u4e3a\u53ea\u6709\u5f53\u4e00\u7aef\u6536\u5230\u5bf9\u65b9\u7684\u54cd\u5e94\u6d88\u606f\u540e\uff0c\u624d\u80fd\u4fdd\u8bc1\u81ea\u5df1\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u88ab\u5bf9\u7aef\u53ef\u9760\u7684\u6536\u5230\u4e86\uff0c\u4f46\u53cc\u65b9\u901a\u4fe1\u65f6\u603b\u4f1a\u6709\u6700\u65b0\u7684\u4e00\u6761\u6d88\u606f\uff0c\u56e0\u6b64\u65e0\u6cd5\u767e\u5206\u4e4b\u767e\u4fdd\u8bc1\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e25\u683c\u610f\u4e49\u4e0a\u6765\u8bf4\uff0c\u4e92\u8054\u7f51\u901a\u4fe1\u5f53\u4e2d\u662f\u4e0d\u5b58\u5728\u767e\u5206\u4e4b\u767e\u7684\u53ef\u9760\u6027\u7684\uff0c\u56e0\u4e3a\u53cc\u65b9\u901a\u4fe1\u65f6\u603b\u6709\u6700\u65b0\u7684\u4e00\u6761\u6d88\u606f\u5f97\u4e0d\u5230\u54cd\u5e94\u3002\u4f46\u5b9e\u9645\u6ca1\u6709\u5fc5\u8981\u4fdd\u8bc1\u6240\u6709\u6d88\u606f\u7684\u53ef\u9760\u6027\uff0c\u6211\u4eec\u53ea\u8981\u4fdd\u8bc1\u53cc\u65b9\u901a\u4fe1\u65f6\u53d1\u9001\u7684\u6bcf\u4e00\u4e2a\u6838\u5fc3\u6570\u636e\u90fd\u6709\u5bf9\u5e94\u7684\u54cd\u5e94\u5c31\u53ef\u4ee5\u4e86\u3002\u800c\u5bf9\u4e8e\u4e00\u4e9b\u65e0\u5173\u7d27\u8981\u7684\u6570\u636e\uff08\u6bd4\u5982\u54cd\u5e94\u6570\u636e\uff09\uff0c\u6211\u4eec\u6ca1\u6709\u5fc5\u8981\u4fdd\u8bc1\u5b83\u7684\u53ef\u9760\u6027\u3002\u56e0\u4e3a\u5bf9\u7aef\u5982\u679c\u6ca1\u6709\u6536\u5230\u8fd9\u4e2a\u54cd\u5e94\u6570\u636e\uff0c\u4f1a\u5224\u5b9a\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u62a5\u6587\u4e22\u5931\u4e86\uff0c\u6b64\u65f6\u5bf9\u7aef\u53ef\u4ee5\u5c06\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u8fdb\u884c\u91cd\u4f20\u3002<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/100a0d05f53042e697d6118f19ce18a6.png\" alt=\"img\"><\/p>\n\n\n\n<p>\u8fd9\u79cd\u7b56\u7565\u5728TCP\u5f53\u4e2d\u5c31\u53eb\u505a\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u4e0d\u662f\u4fdd\u8bc1\u53cc\u65b9\u901a\u4fe1\u7684\u5168\u90e8\u6d88\u606f\u7684\u53ef\u9760\u6027\uff0c\u800c\u662f\u53ea\u8981\u4e00\u65b9\u6536\u5230\u4e86\u53e6\u4e00\u65b9\u7684\u5e94\u7b54\u6d88\u606f\uff0c\u5c31\u8bf4\u660e\u5b83\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u88ab\u53e6\u4e00\u65b9\u53ef\u9760\u7684\u6536\u5230\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>32\u4f4d\u5e8f\u53f7<\/p>\n<\/blockquote>\n\n\n\n<p>\u5982\u679c\u53cc\u65b9\u5728\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u65f6\uff0c\u53ea\u6709\u6536\u5230\u4e86\u4e0a\u4e00\u6b21\u53d1\u9001\u6570\u636e\u7684\u54cd\u5e94\u624d\u80fd\u53d1\u4e0b\u4e00\u4e2a\u6570\u636e\uff0c\u90a3\u4e48\u6b64\u65f6\u53cc\u65b9\u7684\u901a\u4fe1\u8fc7\u7a0b\u5c31\u662f\u4e32\u884c\u7684\uff0c\u6548\u7387\u53ef\u60f3\u800c\u77e5\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u53cc\u65b9\u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u65f6\uff0c\u5141\u8bb8\u4e00\u65b9\u5411\u53e6\u4e00\u65b9\u8fde\u7eed\u53d1\u9001\u591a\u4e2a\u62a5\u6587\u6570\u636e\uff0c\u53ea\u8981\u4fdd\u8bc1\u53d1\u9001\u7684\u6bcf\u4e2a\u62a5\u6587\u90fd\u6709\u5bf9\u5e94\u7684\u54cd\u5e94\u6d88\u606f\u5c31\u884c\u4e86\uff0c\u6b64\u65f6\u4e5f\u5c31\u80fd\u4fdd\u8bc1\u8fd9\u4e9b\u62a5\u6587\u88ab\u5bf9\u65b9\u6536\u5230\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/987a893059ed46318f0266b293387c65.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/987a893059ed46318f0266b293387c65.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4f46\u5728\u8fde\u7eed\u53d1\u9001\u591a\u4e2a\u62a5\u6587\u65f6\uff0c\u7531\u4e8e\u5404\u4e2a\u62a5\u6587\u5728\u8fdb\u884c\u7f51\u7edc\u4f20\u8f93\u65f6\u9009\u62e9\u7684\u8def\u5f84\u53ef\u80fd\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u56e0\u6b64\u8fd9\u4e9b\u62a5\u6587\u5230\u8fbe\u5bf9\u7aef\u4e3b\u673a\u7684\u5148\u540e\u987a\u5e8f\u4e5f\u5c31\u53ef\u80fd\u548c\u53d1\u9001\u62a5\u6587\u7684\u987a\u5e8f\u662f\u4e0d\u540c\u7684\u3002\u4f46\u62a5\u6587\u6709\u5e8f\u4e5f\u662f\u53ef\u9760\u6027\u7684\u4e00\u79cd\uff0c\u56e0\u6b64TCP\u62a5\u5934\u4e2d\u768432\u4f4d\u5e8f\u53f7\u7684\u4f5c\u7528\u4e4b\u4e00\u5b9e\u9645\u5c31\u662f\u7528\u6765\u4fdd\u8bc1\u62a5\u6587\u7684\u6709\u5e8f\u6027\u7684\u3002<\/p>\n\n\n\n<p>TCP\u5c06\u53d1\u9001\u51fa\u53bb\u7684\u6bcf\u4e2a\u5b57\u8282\u6570\u636e\u90fd\u8fdb\u884c\u4e86\u7f16\u53f7\uff0c\u8fd9\u4e2a\u7f16\u53f7\u53eb\u505a\u5e8f\u5217\u53f7\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u5982\u73b0\u5728\u53d1\u9001\u7aef\u8981\u53d1\u90013000\u5b57\u8282\u7684\u6570\u636e\uff0c\u5982\u679c\u53d1\u9001\u7aef\u6bcf\u6b21\u53d1\u90011000\u5b57\u8282\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u7528\u4e09\u4e2aTCP\u62a5\u6587\u6765\u53d1\u9001\u8fd93000\u5b57\u8282\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\u8fd9\u4e09\u4e2aTCP\u62a5\u6587\u5f53\u4e2d\u768432\u4f4d\u5e8f\u53f7\u586b\u7684\u5c31\u662f\u53d1\u9001\u6570\u636e\u4e2d\u9996\u4e2a\u5b57\u8282\u7684\u5e8f\u5217\u53f7\uff0c\u56e0\u6b64\u5206\u522b\u586b\u7684\u662f1\u30011001\u548c2001\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/e3b709839c6b4ce9bf69d61d293fc7ba.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/e3b709839c6b4ce9bf69d61d293fc7ba.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u63a5\u6536\u7aef\u6536\u5230\u4e86\u8fd9\u4e09\u4e2aTCP\u62a5\u6587\u540e\uff0c\u5c31\u53ef\u4ee5\u6839\u636eTCP\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u5e8f\u5217\u53f7\u5bf9\u8fd9\u4e09\u4e2a\u62a5\u6587\u8fdb\u884c\u987a\u5e8f\u91cd\u6392\uff08\u8be5\u52a8\u4f5c\u5728\u4f20\u8f93\u5c42\u8fdb\u884c\uff09\uff0c\u91cd\u6392\u540e\u5c06\u5176\u653e\u5230TCP\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\uff0c\u6b64\u65f6\u63a5\u6536\u7aef\u8fd9\u91cc\u62a5\u6587\u7684\u987a\u5e8f\u5c31\u548c\u53d1\u9001\u7aef\u53d1\u9001\u62a5\u6587\u7684\u987a\u5e8f\u662f\u4e00\u6837\u7684\u4e86\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u7aef\u5728\u8fdb\u884c\u62a5\u6587\u91cd\u6392\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u5f53\u524d\u62a5\u6587\u768432\u4f4d\u5e8f\u53f7\u4e0e\u5176\u6709\u6548\u8f7d\u8377\u7684\u5b57\u8282\u6570\uff0c\u8fdb\u800c\u786e\u5b9a\u4e0b\u4e00\u4e2a\u62a5\u6587\u5bf9\u5e94\u7684\u5e8f\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>32\u4f4d\u786e\u8ba4\u5e8f\u53f7<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u786e\u8ba4\u5e8f\u53f7\u662f\u544a\u8bc9\u5bf9\u7aef\uff0c\u6211\u5f53\u524d\u5df2\u7ecf\u6536\u5230\u4e86\u54ea\u4e9b\u6570\u636e\uff0c\u4f60\u7684\u6570\u636e\u4e0b\u4e00\u6b21\u5e94\u8be5\u4ece\u54ea\u91cc\u5f00\u59cb\u53d1\u3002<\/p>\n\n\n\n<p>\u4ee5\u521a\u624d\u7684\u4f8b\u5b50\u4e3a\u4f8b\uff0c\u5f53\u4e3b\u673aB\u6536\u5230\u4e3b\u673aA\u53d1\u9001\u8fc7\u6765\u768432\u4f4d\u5e8f\u53f7\u4e3a1\u7684\u62a5\u6587\u65f6\uff0c\u7531\u4e8e\u8be5\u62a5\u6587\u5f53\u4e2d\u5305\u542b1000\u5b57\u8282\u7684\u6570\u636e\uff0c\u56e0\u6b64\u4e3b\u673aB\u5df2\u7ecf\u6536\u5230\u5e8f\u5217\u53f7\u4e3a1-1000\u7684\u5b57\u8282\u6570\u636e\uff0c\u4e8e\u662f\u4e3b\u673aB\u53d1\u7ed9\u4e3b\u673aA\u7684\u54cd\u5e94\u6570\u636e\u7684\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u786e\u8ba4\u5e8f\u53f7\u7684\u503c\u5c31\u4f1a\u586b\u62101001\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u65b9\u9762\u662f\u544a\u8bc9\u4e3b\u673aA\uff0c\u5e8f\u5217\u53f7\u57281001\u4e4b\u524d\u7684\u5b57\u8282\u6570\u636e\u6211\u5df2\u7ecf\u6536\u5230\u4e86\u3002<\/li>\n\n\n\n<li>\u53e6\u4e00\u65b9\u9762\u662f\u544a\u8bc9\u4e3b\u673aA\uff0c\u4e0b\u6b21\u5411\u6211\u53d1\u9001\u6570\u636e\u65f6\u5e94\u8be5\u4ece\u5e8f\u5217\u53f7\u4e3a1001\u7684\u5b57\u8282\u6570\u636e\u5f00\u59cb\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e4b\u540e\u4e3b\u673aB\u5bf9\u4e3b\u673aA\u53d1\u6765\u7684\u5176\u4ed6\u62a5\u6587\u8fdb\u884c\u54cd\u5e94\u65f6\uff0c\u53d1\u7ed9\u4e3b\u673aA\u7684\u54cd\u5e94\u5f53\u4e2d\u768432\u4e3a\u786e\u8ba4\u5e8f\u53f7\u7684\u586b\u6cd5\u4e5f\u662f\u7c7b\u4f3c\u7684\u9053\u7406\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/b8de783c80a14deaaa0d3598f1f41552.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/b8de783c80a14deaaa0d3598f1f41552.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u54cd\u5e94\u6570\u636e\u4e0e\u5176\u4ed6\u6570\u636e\u4e00\u6837\uff0c\u4e5f\u662f\u4e00\u4e2a\u5b8c\u6574\u7684TCP\u62a5\u6587\uff0c\u5c3d\u7ba1\u8be5\u62a5\u6587\u53ef\u80fd\u4e0d\u643a\u5e26\u6709\u6548\u8f7d\u8377\uff0c\u4f46\u81f3\u5c11\u662f\u4e00\u4e2aTCP\u62a5\u5934\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u62a5\u6587\u4e22\u5931\u600e\u4e48\u529e\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd8\u662f\u4ee5\u521a\u624d\u7684\u4f8b\u5b50\u4e3a\u4f8b\uff0c\u4e3b\u673aA\u53d1\u9001\u4e86\u4e09\u4e2a\u62a5\u6587\u7ed9\u4e3b\u673aB\uff0c\u5176\u4e2d\u6bcf\u4e2a\u62a5\u6587\u7684\u6709\u6548\u8f7d\u8377\u90fd\u662f1000\u5b57\u8282\uff0c\u8fd9\u4e09\u4e2a\u62a5\u6587\u768432\u4f4d\u5e8f\u53f7\u5206\u522b\u662f1\u30011001\u30012001\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u8fd9\u4e09\u4e2a\u62a5\u6587\u5728\u7f51\u7edc\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u4e86\u4e22\u5305\uff0c\u6700\u7ec8\u53ea\u6709\u5e8f\u53f7\u4e3a1\u548c2001\u7684\u62a5\u6587\u88ab\u4e3b\u673aB\u6536\u5230\u4e86\uff0c\u90a3\u4e48\u5f53\u4e3b\u673aB\u5728\u5bf9\u62a5\u6587\u8fdb\u884c\u987a\u5e8f\u91cd\u6392\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u53d1\u73b0\u53ea\u6536\u5230\u4e861-1000\u548c2001-3000\u7684\u5b57\u8282\u6570\u636e\u3002\u6b64\u65f6\u4e3b\u673aB\u5728\u5bf9\u4e3b\u673aA\u8fdb\u884c\u54cd\u5e94\u65f6\uff0c\u5176\u54cd\u5e94\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u786e\u8ba4\u5e8f\u53f7\u586b\u7684\u5c31\u662f1001\uff0c\u544a\u8bc9\u4e3b\u673aA\u4e0b\u6b21\u5411\u6211\u53d1\u9001\u6570\u636e\u65f6\u5e94\u8be5\u4ece\u5e8f\u5217\u53f7\u4e3a1001\u7684\u5b57\u8282\u6570\u636e\u5f00\u59cb\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/1094e3c885124deca8e0fedf41bfe7ed.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/1094e3c885124deca8e0fedf41bfe7ed.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b64\u65f6\u4e3b\u673aB\u5728\u7ed9\u4e3b\u673aA\u54cd\u5e94\u65f6\uff0c\u517632\u4f4d\u786e\u8ba4\u5e8f\u53f7\u4e0d\u80fd\u586b3001\uff0c\u56e0\u4e3a1001-2000\u662f\u57283001\u4e4b\u524d\u7684\uff0c\u5982\u679c\u76f4\u63a5\u7ed9\u4e3b\u673aA\u54cd\u5e943001\uff0c\u5c31\u8bf4\u660e\u5e8f\u5217\u53f7\u57283001\u4e4b\u524d\u7684\u5b57\u8282\u6570\u636e\u5168\u90fd\u6536\u5230\u4e86\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u4e3b\u673aB\u53ea\u80fd\u7ed9\u4e3b\u673aA\u54cd\u5e941001\uff0c\u5f53\u4e3b\u673aA\u6536\u5230\u8be5\u786e\u8ba4\u5e8f\u53f7\u540e\u5c31\u4f1a\u5224\u5b9a\u5e8f\u53f7\u4e3a1001\u7684\u62a5\u6587\u4e22\u5305\u4e86\uff0c\u6b64\u65f6\u4e3b\u673aA\u5c31\u53ef\u4ee5\u9009\u62e9\u8fdb\u884c\u6570\u636e\u91cd\u4f20\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\u53d1\u9001\u7aef\u53ef\u4ee5\u6839\u636e\u5bf9\u7aef\u53d1\u6765\u7684\u786e\u8ba4\u5e8f\u53f7\uff0c\u6765\u5224\u65ad\u662f\u5426\u67d0\u4e2a\u62a5\u6587\u53ef\u80fd\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e22\u5931\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u8981\u7528\u4e24\u5957\u5e8f\u53f7\u673a\u5236\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5982\u679c\u901a\u4fe1\u53cc\u65b9\u53ea\u662f\u4e00\u7aef\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u7aef\u63a5\u6536\u6570\u636e\uff0c\u90a3\u4e48\u53ea\u7528\u4e00\u5957\u5e8f\u53f7\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d1\u9001\u7aef\u5728\u53d1\u9001\u6570\u636e\u65f6\uff0c\u5c06\u8be5\u5e8f\u53f7\u770b\u4f5c\u662f32\u4f4d\u5e8f\u53f7\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u7aef\u5728\u5bf9\u53d1\u9001\u7aef\u53d1\u6765\u7684\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u65f6\uff0c\u5c06\u8be5\u5e8f\u53f7\u770b\u4f5c\u662f32\u4f4d\u786e\u8ba4\u5e8f\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f46\u5b9e\u9645TCP\u5374\u6ca1\u6709\u8fd9\u4e48\u505a\uff0c\u6839\u672c\u539f\u56e0\u5c31\u662f\u56e0\u4e3aTCP\u662f\u5168\u53cc\u5de5\u7684\uff0c\u53cc\u65b9\u53ef\u80fd\u540c\u65f6\u60f3\u7ed9\u5bf9\u65b9\u53d1\u9001\u6d88\u606f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cc\u65b9\u53d1\u51fa\u7684\u62a5\u6587\u5f53\u4e2d\uff0c\u4e0d\u4ec5\u9700\u8981\u586b\u514532\u4f4d\u5e8f\u53f7\u6765\u8868\u660e\u81ea\u5df1\u5f53\u524d\u53d1\u9001\u6570\u636e\u7684\u5e8f\u53f7\u3002<\/li>\n\n\n\n<li>\u8fd8\u9700\u8981\u586b\u514532\u4f4d\u786e\u8ba4\u5e8f\u53f7\uff0c\u5bf9\u5bf9\u65b9\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u8fdb\u884c\u786e\u8ba4\uff0c\u544a\u8bc9\u5bf9\u65b9\u4e0b\u4e00\u6b21\u5e94\u8be5\u4ece\u54ea\u4e00\u5b57\u8282\u5e8f\u53f7\u5f00\u59cb\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\u5728\u8fdb\u884cTCP\u901a\u4fe1\u65f6\uff0c\u53cc\u65b9\u90fd\u9700\u8981\u6709\u786e\u8ba4\u5e94\u7b54\u673a\u5236\uff0c\u6b64\u65f6\u4e00\u5957\u5e8f\u53f7\u5c31\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u4e86\uff0c\u56e0\u6b64\u9700\u8981TCP\u62a5\u5934\u5f53\u4e2d\u51fa\u73b0\u4e86\u4e24\u5957\u5e8f\u53f7\u3002<\/p>\n\n\n\n<p><strong>\u603b\u7ed3\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>32\u4f4d\u5e8f\u53f7\u7684\u4f5c\u7528\u662f\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u6309\u5e8f\u5230\u8fbe\uff0c\u540c\u65f6\u8fd9\u4e2a\u5e8f\u53f7\u4e5f\u662f\u4f5c\u4e3a\u5bf9\u7aef\u53d1\u9001\u62a5\u6587\u65f6\u586b\u514532\u4f4d\u786e\u8ba4\u5e8f\u53f7\u7684\u6839\u636e\u3002<\/li>\n\n\n\n<li>32\u4f4d\u786e\u8ba4\u5e8f\u53f7\u7684\u4f5c\u7528\u662f\uff0c\u544a\u8bc9\u5bf9\u7aef\u5f53\u524d\u5df2\u7ecf\u6536\u5230\u7684\u5b57\u8282\u6570\u636e\u6709\u54ea\u4e9b\uff0c\u5bf9\u7aef\u4e0b\u4e00\u6b21\u53d1\u9001\u6570\u636e\u65f6\u5e94\u8be5\u4ece\u54ea\u4e00\u5b57\u8282\u5e8f\u53f7\u5f00\u59cb\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n\n\n\n<li>\u5e8f\u53f7\u548c\u786e\u8ba4\u5e8f\u53f7\u662f\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u7684\u6570\u636e\u5316\u8868\u793a\uff0c\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u5c31\u662f\u7531\u5e8f\u53f7\u548c\u786e\u8ba4\u5e8f\u53f7\u6765\u4fdd\u8bc1\u7684\u3002<\/li>\n\n\n\n<li>\u6b64\u5916\uff0c\u901a\u8fc7\u5e8f\u53f7\u548c\u786e\u8ba4\u5e8f\u53f7\u8fd8\u53ef\u4ee5\u5224\u65ad\u67d0\u4e2a\u62a5\u6587\u662f\u5426\u4e22\u5931\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u7a97\u53e3\u5927\u5c0f<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u7684\u63a5\u6536\u7f13\u51b2\u533a\u548c\u53d1\u9001\u7f13\u51b2\u533a<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u672c\u8eab\u662f\u5177\u6709\u63a5\u6536\u7f13\u51b2\u533a\u548c\u53d1\u9001\u7f13\u51b2\u533a\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u7f13\u51b2\u533a\u7528\u6765\u6682\u65f6\u4fdd\u5b58\u63a5\u6536\u5230\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u53d1\u9001\u7f13\u51b2\u533a\u7528\u6765\u6682\u65f6\u4fdd\u5b58\u8fd8\u672a\u53d1\u9001\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e24\u4e2a\u7f13\u51b2\u533a\u90fd\u662f\u5728TCP\u4f20\u8f93\u5c42\u5185\u90e8\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/158452990c2b438d8a7a353b8388c673.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/158452990c2b438d8a7a353b8388c673.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TCP\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u7531\u4e0a\u5c42\u5e94\u7528\u5e94\u7528\u5c42\u8fdb\u884c\u5199\u5165\u3002\u5f53\u4e0a\u5c42\u8c03\u7528write\/send\u8fd9\u6837\u7684\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u65f6\uff0c\u5b9e\u9645\u4e0d\u662f\u5c06\u6570\u636e\u76f4\u63a5\u53d1\u9001\u5230\u4e86\u7f51\u7edc\u5f53\u4e2d\uff0c\u800c\u662f\u5c06\u6570\u636e\u4ece\u5e94\u7528\u5c42\u62f7\u8d1d\u5230\u4e86TCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u3002<\/li>\n\n\n\n<li>TCP\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u6700\u7ec8\u4e5f\u662f\u7531\u5e94\u7528\u5c42\u6765\u8bfb\u53d6\u7684\u3002\u5f53\u4e0a\u5c42\u8c03\u7528read\/recv\u8fd9\u6837\u7684\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u65f6\uff0c\u5b9e\u9645\u4e5f\u4e0d\u662f\u76f4\u63a5\u4ece\u7f51\u7edc\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u800c\u662f\u5c06\u6570\u636e\u4eceTCP\u7684\u63a5\u6536\u7f13\u51b2\u533a\u62f7\u8d1d\u5230\u4e86\u5e94\u7528\u5c42\u800c\u5df2\u3002<\/li>\n\n\n\n<li>\u5c31\u597d\u6bd4\u8c03\u7528read\u548cwrite\u8fdb\u884c\u6587\u4ef6\u8bfb\u5199\u65f6\uff0c\u5e76\u4e0d\u662f\u76f4\u63a5\u4ece\u78c1\u76d8\u8bfb\u53d6\u6570\u636e\uff0c\u4e5f\u4e0d\u662f\u76f4\u63a5\u5c06\u6570\u636e\u5199\u5165\u5230\u78c1\u76d8\u4e0a\uff0c\u800c\u662f\u5bf9\u6587\u4ef6\u7f13\u51b2\u533a\u8fdb\u884c\u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/62277e29944743bc9a839b9cd94d9de3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/62277e29944743bc9a839b9cd94d9de3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5f53\u6570\u636e\u5199\u5165\u5230TCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\u540e\uff0c\u5bf9\u5e94\u7684write\/send\u51fd\u6570\u5c31\u53ef\u4ee5\u8fd4\u56de\u4e86\uff0c\u81f3\u4e8e\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u5177\u4f53\u4ec0\u4e48\u65f6\u5019\u53d1\uff0c\u600e\u4e48\u53d1\u7b49\u95ee\u9898\u5b9e\u9645\u90fd\u662f\u7531TCP\u51b3\u5b9a\u7684\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u4e4b\u6240\u4ee5\u79f0TCP\u4e3a\u4f20\u8f93\u5c42\u63a7\u5236\u534f\u8bae\uff0c\u5c31\u662f\u56e0\u4e3a\u6700\u7ec8\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u65b9\u5f0f\uff0c\u4ee5\u53ca\u4f20\u8f93\u6570\u636e\u65f6\u9047\u5230\u7684\u5404\u79cd\u95ee\u9898\u5e94\u8be5\u5982\u4f55\u89e3\u51b3\uff0c\u90fd\u662f\u7531TCP\u81ea\u5df1\u51b3\u5b9a\u7684\uff0c\u7528\u6237\u53ea\u9700\u8981\u5c06\u6570\u636e\u62f7\u8d1d\u5230TCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\uff0c\u4ee5\u53ca\u4eceTCP\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\u5373\u53ef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/ec1cb470e3d94857813dc98da3143938.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/ec1cb470e3d94857813dc98da3143938.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u901a\u4fe1\u53cc\u65b9\u7684TCP\u5c42\u90fd\u662f\u4e00\u6837\u7684\uff0c\u56e0\u6b64\u901a\u4fe1\u53cc\u65b9\u7684TCP\u5c42\u90fd\u662f\u65e2\u6709\u53d1\u9001\u7f13\u51b2\u533a\u53c8\u6709\u63a5\u6536\u7f13\u51b2\u533a\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\u548c\u63a5\u6536\u7f13\u51b2\u533a\u5b58\u5728\u7684\u610f\u4e49<\/p>\n<\/blockquote>\n\n\n\n<p>\u53d1\u9001\u7f13\u51b2\u533a\u548c\u63a5\u6536\u7f13\u51b2\u533a\u7684\u4f5c\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u67d0\u4e9b\u9519\u8bef\uff0c\u6b64\u65f6\u5c31\u53ef\u80fd\u8981\u6c42\u53d1\u9001\u7aef\u8fdb\u884c\u6570\u636e\u91cd\u4f20\uff0c\u56e0\u6b64TCP\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u53d1\u9001\u7f13\u51b2\u533a\u6765\u6682\u65f6\u4fdd\u5b58\u53d1\u9001\u51fa\u53bb\u7684\u6570\u636e\uff0c\u4ee5\u514d\u9700\u8981\u8fdb\u884c\u6570\u636e\u91cd\u4f20\u3002\u53ea\u6709\u5f53\u53d1\u51fa\u53bb\u7684\u6570\u636e\u88ab\u5bf9\u7aef\u53ef\u9760\u7684\u6536\u5230\u540e\uff0c\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u7684\u8fd9\u90e8\u5206\u6570\u636e\u624d\u53ef\u4ee5\u88ab\u8986\u76d6\u6389\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u7aef\u5904\u7406\u6570\u636e\u7684\u901f\u5ea6\u662f\u6709\u9650\u7684\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6ca1\u6765\u5f97\u53ca\u5904\u7406\u7684\u6570\u636e\u4e0d\u4f1a\u88ab\u8feb\u4e22\u5f03\uff0c\u56e0\u6b64TCP\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u63a5\u6536\u7f13\u51b2\u533a\u6765\u6682\u65f6\u4fdd\u5b58\u672a\u88ab\u5904\u7406\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u6570\u636e\u4f20\u8f93\u662f\u9700\u8981\u8017\u8d39\u8d44\u6e90\u7684\uff0c\u6211\u4eec\u4e0d\u80fd\u968f\u610f\u4e22\u5f03\u6b63\u786e\u7684\u62a5\u6587\u3002\u6b64\u5916\uff0cTCP\u7684\u6570\u636e\u91cd\u6392\u4e5f\u662f\u5728\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u8fdb\u884c\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7ecf\u5178\u7684\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e\u53d1\u9001\u7f13\u51b2\u533a\u6765\u8bf4\uff0c\u4e0a\u5c42\u5e94\u7528\u4e0d\u65ad\u5f80\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u653e\u5165\u6570\u636e\uff0c\u4e0b\u5c42\u7f51\u7edc\u5c42\u4e0d\u65ad\u4ece\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u62ff\u51fa\u6570\u636e\u51c6\u5907\u8fdb\u4e00\u6b65\u5c01\u88c5\u3002\u6b64\u65f6\u4e0a\u5c42\u5e94\u7528\u626e\u6f14\u7684\u5c31\u662f\u751f\u4ea7\u8005\u7684\u89d2\u8272\uff0c\u4e0b\u5c42\u7f51\u7edc\u5c42\u626e\u6f14\u7684\u5c31\u662f\u6d88\u8d39\u8005\u7684\u89d2\u8272\uff0c\u800c\u53d1\u9001\u7f13\u51b2\u533a\u5bf9\u5e94\u7684\u5c31\u662f\u201c\u4ea4\u6613\u573a\u6240\u201d\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e8e\u63a5\u6536\u7f13\u51b2\u533a\u6765\u8bf4\uff0c\u4e0a\u5c42\u5e94\u7528\u4e0d\u65ad\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u62ff\u51fa\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u4e0b\u5c42\u7f51\u7edc\u5c42\u4e0d\u65ad\u5f80\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u653e\u5165\u6570\u636e\u3002\u6b64\u65f6\u4e0a\u5c42\u5e94\u7528\u626e\u6f14\u7684\u5c31\u662f\u6d88\u8d39\u8005\u7684\u89d2\u8272\uff0c\u4e0b\u5c42\u7f51\u7edc\u5c42\u626e\u6f14\u7684\u5c31\u662f\u751f\u4ea7\u8005\u7684\u89d2\u8272\uff0c\u800c\u63a5\u6536\u7f13\u51b2\u533a\u5bf9\u5e94\u7684\u5c31\u662f\u201c\u4ea4\u6613\u573a\u6240\u201d\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u5f15\u5165\u53d1\u9001\u7f13\u51b2\u533a\u548c\u63a5\u6536\u7f13\u51b2\u533a\u76f8\u5f53\u4e8e\u5f15\u5165\u4e86\u4e24\u4e2a\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\uff0c\u8be5\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\u5c06\u4e0a\u5c42\u5e94\u7528\u4e0e\u5e95\u5c42\u901a\u4fe1\u7ec6\u8282\u8fdb\u884c\u4e86\u89e3\u8026\uff0c\u6b64\u5916\uff0c\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\u7684\u5f15\u5165\u540c\u65f6\u4e5f\u652f\u6301\u4e86\u5e76\u53d1\u548c\u5fd9\u95f2\u4e0d\u5747\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7a97\u53e3\u5927\u5c0f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53\u53d1\u9001\u7aef\u8981\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u5bf9\u7aef\u65f6\uff0c\u672c\u8d28\u662f\u628a\u81ea\u5df1\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u53d1\u9001\u5230\u5bf9\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u3002\u4f46\u7f13\u51b2\u533a\u662f\u6709\u5927\u5c0f\u7684\uff0c\u5982\u679c\u63a5\u6536\u7aef\u5904\u7406\u6570\u636e\u7684\u901f\u5ea6\u5c0f\u4e8e\u53d1\u9001\u7aef\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\uff0c\u90a3\u4e48\u603b\u6709\u4e00\u4e2a\u65f6\u523b\u63a5\u6536\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u4f1a\u88ab\u6253\u6ee1\uff0c\u8fd9\u65f6\u53d1\u9001\u7aef\u518d\u53d1\u9001\u6570\u636e\u8fc7\u6765\u5c31\u4f1a\u9020\u6210\u6570\u636e\u4e22\u5305\uff0c\u8fdb\u800c\u5f15\u8d77\u4e22\u5305\u91cd\u4f20\u7b49\u4e00\u7cfb\u5217\u7684\u8fde\u9501\u53cd\u5e94\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64TCP\u62a5\u5934\u5f53\u4e2d\u5c31\u6709\u4e8616\u4f4d\u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u8fd9\u4e2a16\u4f4d\u7a97\u53e3\u5927\u5c0f\u5f53\u4e2d\u586b\u7684\u662f\u81ea\u8eab\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u5269\u4f59\u7a7a\u95f4\u7684\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u5f53\u524d\u4e3b\u673a\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u63a5\u6536\u7aef\u5728\u5bf9\u53d1\u9001\u7aef\u53d1\u6765\u7684\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u65f6\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc716\u4f4d\u7a97\u53e3\u5927\u5c0f\u544a\u77e5\u53d1\u9001\u7aef\u81ea\u5df1\u5f53\u524d\u63a5\u6536\u7f13\u51b2\u533a\u5269\u4f59\u7a7a\u95f4\u7684\u5927\u5c0f\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u5c31\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u7a97\u53e3\u5927\u5c0f\u5b57\u6bb5\u6765\u8c03\u6574\u81ea\u5df1\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7a97\u53e3\u5927\u5c0f\u5b57\u6bb5\u8d8a\u5927\uff0c\u8bf4\u660e\u63a5\u6536\u7aef\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u8d8a\u5f3a\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u53ef\u4ee5\u63d0\u9ad8\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u7a97\u53e3\u5927\u5c0f\u5b57\u6bb5\u8d8a\u5c0f\uff0c\u8bf4\u660e\u63a5\u6536\u7aef\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u8d8a\u5f31\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u53ef\u4ee5\u51cf\u5c0f\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u7a97\u53e3\u5927\u5c0f\u7684\u503c\u4e3a0\uff0c\u8bf4\u660e\u63a5\u6536\u7aef\u63a5\u6536\u7f13\u51b2\u533a\u5df2\u7ecf\u88ab\u6253\u6ee1\u4e86\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u5c31\u4e0d\u5e94\u8be5\u518d\u53d1\u9001\u6570\u636e\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7406\u89e3\u73b0\u8c61\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u7f16\u5199TCP\u5957\u63a5\u5b57\u65f6\uff0c\u6211\u4eec\u8c03\u7528read\/recv\u51fd\u6570\u4ece\u5957\u63a5\u5b57\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u5957\u63a5\u5b57\u5f53\u4e2d\u6ca1\u6709\u6570\u636e\u800c\u88ab\u963b\u585e\u4f4f\uff0c\u672c\u8d28\u662f\u56e0\u4e3aTCP\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u6ca1\u6709\u6570\u636e\u4e86\uff0c\u6211\u4eec\u5b9e\u9645\u662f\u963b\u585e\u5728\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u4e86\u3002<\/li>\n\n\n\n<li>\u800c\u6211\u4eec\u8c03\u7528write\/send\u51fd\u6570\u5f80\u5957\u63a5\u5b57\u4e2d\u5199\u5165\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u5957\u63a5\u5b57\u5df2\u7ecf\u5199\u6ee1\u800c\u88ab\u963b\u585e\u4f4f\uff0c\u672c\u8d28\u662f\u56e0\u4e3aTCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\u5df2\u7ecf\u88ab\u5199\u6ee1\u4e86\uff0c\u6211\u4eec\u5b9e\u9645\u662f\u963b\u585e\u5728\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u4e86\u3002<\/li>\n\n\n\n<li>\u5728\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\u5f53\u4e2d\uff0c\u5982\u679c\u751f\u4ea7\u8005\u751f\u4ea7\u6570\u636e\u65f6\u88ab\u963b\u585e\uff0c\u6216\u6d88\u8d39\u8005\u6d88\u8d39\u6570\u636e\u65f6\u88ab\u963b\u585e\uff0c\u90a3\u4e48\u4e00\u5b9a\u662f\u56e0\u4e3a\u67d0\u4e9b\u6761\u4ef6\u4e0d\u5c31\u7eea\u800c\u88ab\u963b\u585e\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u4e2a\u6807\u5fd7\u4f4d<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u5b58\u5728\u6807\u5fd7\u4f4d\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TCP\u62a5\u6587\u7684\u79cd\u7c7b\u591a\u79cd\u591a\u6837\uff0c\u9664\u4e86\u6b63\u5e38\u901a\u4fe1\u65f6\u53d1\u9001\u7684\u666e\u901a\u62a5\u6587\uff0c\u8fd8\u6709\u5efa\u7acb\u8fde\u63a5\u65f6\u53d1\u9001\u7684\u8bf7\u6c42\u5efa\u7acb\u8fde\u63a5\u7684\u62a5\u6587\uff0c\u4ee5\u53ca\u65ad\u5f00\u8fde\u63a5\u65f6\u53d1\u9001\u7684\u65ad\u5f00\u8fde\u63a5\u7684\u62a5\u6587\u7b49\u7b49\u3002<\/li>\n\n\n\n<li>\u6536\u5230\u4e0d\u540c\u79cd\u7c7b\u7684\u62a5\u6587\u65f6\u5b8c\u7f8e\u9700\u8981\u5bf9\u5e94\u6267\u884c\u52a8\u4f5c\uff0c\u6bd4\u5982\u6b63\u5e38\u901a\u4fe1\u7684\u62a5\u6587\u9700\u8981\u653e\u5230\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7b49\u5f85\u4e0a\u5c42\u5e94\u7528\u8fdb\u884c\u8bfb\u53d6\uff0c\u800c\u5efa\u7acb\u548c\u65ad\u5f00\u8fde\u63a5\u7684\u62a5\u6587\u672c\u8d28\u4e0d\u662f\u4ea4\u7ed9\u7528\u6237\u5904\u7406\u7684\uff0c\u800c\u662f\u9700\u8981\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u5728TCP\u5c42\u6267\u884c\u5bf9\u5e94\u7684\u63e1\u624b\u548c\u6325\u624b\u52a8\u4f5c\u3002<\/li>\n\n\n\n<li>\u4e5f\u5c31\u662f\u8bf4\u4e0d\u540c\u79cd\u7c7b\u7684\u62a5\u6587\u5bf9\u5e94\u7684\u662f\u4e0d\u540c\u7684\u5904\u7406\u903b\u8f91\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u80fd\u591f\u533a\u5206\u62a5\u6587\u7684\u79cd\u7c7b\u3002\u800cTCP\u5c31\u662f\u4f7f\u7528\u62a5\u5934\u5f53\u4e2d\u7684\u516d\u4e2a\u6807\u5fd7\u5b57\u6bb5\u6765\u8fdb\u884c\u533a\u5206\u7684\uff0c\u8fd9\u516d\u4e2a\u6807\u5fd7\u4f4d\u90fd\u53ea\u5360\u7528\u4e00\u4e2a\u6bd4\u7279\u4f4d\uff0c\u4e3a0\u8868\u793a\u5047\uff0c\u4e3a1\u8868\u793a\u771f\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>SYN<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62a5\u6587\u5f53\u4e2d\u7684SYN\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u8868\u660e\u8be5\u62a5\u6587\u662f\u4e00\u4e2a\u8fde\u63a5\u5efa\u7acb\u7684\u8bf7\u6c42\u62a5\u6587\u3002<\/li>\n\n\n\n<li>\u53ea\u6709\u5728\u8fde\u63a5\u5efa\u7acb\u9636\u6bb5\uff0cSYN\u624d\u88ab\u8bbe\u7f6e\uff0c\u6b63\u5e38\u901a\u4fe1\u65f6SYN\u4e0d\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>ACK<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62a5\u6587\u5f53\u4e2d\u7684ACK\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u62a5\u540d\u8be5\u62a5\u6587\u53ef\u4ee5\u5bf9\u6536\u5230\u7684\u62a5\u6587\u8fdb\u884c\u786e\u8ba4\u3002<\/li>\n\n\n\n<li>\u4e00\u822c\u9664\u4e86\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u62a5\u6587\u6ca1\u6709\u8bbe\u7f6eACK\u4ee5\u5916\uff0c\u5176\u4f59\u62a5\u6587\u57fa\u672c\u90fd\u4f1a\u8bbe\u7f6eACK\uff0c\u56e0\u4e3a\u53d1\u9001\u51fa\u53bb\u7684\u6570\u636e\u672c\u8eab\u5c31\u5bf9\u5bf9\u65b9\u53d1\u9001\u8fc7\u6765\u7684\u6570\u636e\u5177\u6709\u4e00\u5b9a\u7684\u786e\u8ba4\u80fd\u529b\uff0c\u56e0\u6b64\u53cc\u65b9\u5728\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u65f6\uff0c\u53ef\u4ee5\u987a\u4fbf\u5bf9\u5bf9\u65b9\u4e0a\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>FIN<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62a5\u6587\u5f53\u4e2d\u7684FIN\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u8868\u660e\u8be5\u62a5\u6587\u662f\u4e00\u4e2a\u8fde\u63a5\u65ad\u5f00\u7684\u8bf7\u6c42\u62a5\u6587\u3002<\/li>\n\n\n\n<li>\u53ea\u6709\u5728\u65ad\u5f00\u8fde\u63a5\u9636\u6bb5\uff0cFIN\u624d\u4f1a\u88ab\u8bbe\u7f6e\uff0c\u6b63\u5e38\u901a\u4fe1\u65f6FIN\u4e0d\u4f1a\u88ab\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>URG<\/p>\n<\/blockquote>\n\n\n\n<p>\u53cc\u65b9\u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u7684\u65f6\u5019\uff0c\u7531\u4e8eTCP\u662f\u4fdd\u8bc1\u6570\u636e\u6309\u5e8f\u5230\u8fbe\u7684\uff0c\u5373\u4fbf\u53d1\u9001\u7aef\u5c06\u8981\u53d1\u9001\u7684\u6570\u636e\u5206\u6210\u4e86\u82e5\u5e72\u4e2aTCP\u62a5\u6587\u8fdb\u884c\u53d1\u9001\uff0c\u6700\u7ec8\u5230\u8fbe\u63a5\u6536\u7aef\u65f6\u8fd9\u4e9b\u6570\u636e\u4e5f\u90fd\u662f\u6709\u5e8f\u7684\uff0c\u56e0\u4e3aTCP\u53ef\u4ee5\u901a\u8fc7\u5e8f\u53f7\u6765\u5bf9\u8fd9\u4e9bTCP\u62a5\u6587\u8fdb\u884c\u987a\u5e8f\u91cd\u6392\uff0c\u6700\u7ec8\u5c31\u80fd\u4fdd\u8bc1\u6570\u636e\u5230\u8fbe\u5bf9\u7aef\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u65f6\u662f\u6709\u5e8f\u7684\u3002<\/p>\n\n\n\n<p>TCP\u6309\u5e8f\u5230\u8fbe\u672c\u8eab\u4e5f\u662f\u6211\u4eec\u7684\u76ee\u7684\uff0c\u6b64\u65f6\u5bf9\u7aef\u4e0a\u5c42\u5728\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u8bfb\u53d6\u6570\u636e\u65f6\u4e5f\u5fc5\u987b\u662f\u6309\u987a\u5e8f\u8bfb\u53d6\u7684\u3002\u4f46\u662f\u6709\u65f6\u5019\u53d1\u9001\u7aef\u53ef\u80fd\u53d1\u9001\u4e86\u4e00\u4e9b\u201c\u7d27\u6025\u6570\u636e\u201d\uff0c\u8fd9\u4e9b\u6570\u636e\u9700\u8981\u8ba9\u5bf9\u65b9\u4e0a\u5c42\u63d0\u53d6\u8fdb\u884c\u8bfb\u53d6\uff0c\u6b64\u65f6\u5e94\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/959fa40617434a30920cd336b7aae127.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/959fa40617434a30920cd336b7aae127.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u5c31\u9700\u8981\u7528\u5230URG\u6807\u5fd7\u4f4d\uff0c\u4ee5\u53caTCP\u62a5\u5934\u5f53\u4e2d\u768416\u4f4d\u7d27\u6025\u6307\u9488\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53URG\u6807\u5fd7\u4f4d\u88ab\u8bbe\u7f6e\u4e3a\uff11\u65f6\uff0c\u9700\u8981\u901a\u8fc7TCP\u62a5\u5934\u5f53\u4e2d\u768416\u4f4d\u7d27\u6025\u6307\u9488\u6765\u627e\u5230\u7d27\u6025\u6570\u636e\uff0c\u5426\u5219\u4e00\u822c\u60c5\u51b5\u4e0b\u4e0d\u9700\u8981\u5173\u6ce8TCP\u62a5\u5934\u5f53\u4e2d\u768416\u4f4d\u7d27\u6025\u6307\u9488\u3002<\/li>\n\n\n\n<li>16\u4f4d\u7d27\u6025\u6307\u9488\u4ee3\u8868\u7684\u5c31\u662f\u7d27\u6025\u6570\u636e\u5728\u62a5\u6587\u4e2d\u7684\u504f\u79fb\u91cf\u3002<\/li>\n\n\n\n<li>\u56e0\u4e3a\u7d27\u6025\u6307\u9488\u53ea\u6709\u4e00\u4e2a\uff0c\u5b83\u53ea\u80fd\u6807\u8bc6\u6570\u636e\u6bb5\u4e2d\u7684\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u56e0\u6b64\u7d27\u6025\u6570\u636e\u53ea\u80fd\u53d1\u9001\u4e00\u4e2a\u5b57\u8282\uff0c\u800c\u81f3\u4e8e\u8fd9\u4e00\u4e2a\u5b57\u8282\u7684\u5177\u4f53\u542b\u4e49\u8fd9\u91cc\u5c31\u4e0d\u5c55\u5f00\u8ba8\u8bba\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>recv\u51fd\u6570\u7684\u7b2c\u56db\u4e2a\u53c2\u6570flags\u6709\u4e00\u4e2a\u53eb\u505aMSG_OOB\u7684\u9009\u9879\u53ef\u4f9b\u8bbe\u7f6e\uff0c\u5176\u4e2dOOB\u662f\u5e26\u5916\u6570\u636e\uff08out-of-band\uff09\u7684\u7b80\u79f0\uff0c\u5e26\u5916\u6570\u636e\u5c31\u662f\u4e00\u4e9b\u6bd4\u8f83\u91cd\u8981\u7684\u6570\u636e\uff0c\u56e0\u6b64\u4e0a\u5c42\u5982\u679c\u60f3\u8bfb\u53d6\u7d27\u6025\u6570\u636e\uff0c\u5c31\u53ef\u4ee5\u5728\u4f7f\u7528recv\u51fd\u6570\u8fdb\u884c\u8bfb\u53d6\uff0c\u5e76\u8bbe\u7f6eMSG_OOB\u9009\u9879\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/379cf71c1bcc45dca273f3738c1cf054.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/379cf71c1bcc45dca273f3738c1cf054.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e0e\u4e4b\u5bf9\u5e94\u7684send\u51fd\u6570\u7684\u7b2c\u56db\u4e2a\u53c2\u6570flags\u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53eb\u505aMSG_OOB\u7684\u9009\u9879\uff0c\u4e0a\u5c42\u5982\u679c\u60f3\u53d1\u9001\u7d27\u6025\u6570\u636e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528send\u51fd\u6570\u8fdb\u884c\u5199\u5165\uff0c\u5e76\u8bbe\u7f6eMSG_OOB\u9009\u9879\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/d5f6bb9b6bfd48f39dc8b9c7dbb62dcf.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/d5f6bb9b6bfd48f39dc8b9c7dbb62dcf.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>PSH<\/p>\n<\/blockquote>\n\n\n\n<p>\u62a5\u6587\u5f53\u4e2d\u7684PSH\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u662f\u5728\u544a\u8bc9\u5bf9\u65b9\u5c3d\u5feb\u5c06\u4f60\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u4e00\u822c\u8ba4\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u4f7f\u7528read\/recv\u4ece\u7f13\u51b2\u533a\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u5982\u679c\u7f13\u51b2\u533a\u5f53\u4e2d\u6709\u6570\u636eread\/recv\u51fd\u6570\u5c31\u80fd\u591f\u8bfb\u5230\u6570\u636e\u8fdb\u884c\u8fd4\u56de\uff0c\u800c\u5982\u679c\u7f13\u51b2\u533a\u5f53\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u90a3\u4e48\u6b64\u65f6read\/recv\u51fd\u6570\u5c31\u4f1a\u963b\u585e\u4f4f\uff0c\u76f4\u5230\u5f53\u7f13\u51b2\u533a\u5f53\u4e2d\u6709\u6570\u636e\u65f6\u624d\u4f1a\u8bfb\u53d6\u5230\u6570\u636e\u8fdb\u884c\u8fd4\u56de\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5b9e\u9645\u8fd9\u79cd\u8bf4\u6cd5\u662f\u4e0d\u592a\u51c6\u786e\u7684\uff0c\u5176\u5b9e\u63a5\u6536\u7f13\u51b2\u533a\u548c\u53d1\u9001\u7f13\u51b2\u533a\u90fd\u6709\u4e00\u4e2a\u6c34\u4f4d\u7ebf\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/36298a1a6a5c4f2d888582d0e8f87aaf.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/36298a1a6a5c4f2d888582d0e8f87aaf.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u5982\u6211\u4eec\u5047\u8bbeTCP\u63a5\u6536\u7f13\u51b2\u533a\u7684\u6c34\u4f4d\u7ebf\u662f100\u5b57\u8282\uff0c\u90a3\u4e48\u53ea\u6709\u5f53\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u6709100\u5b57\u8282\u65f6\u624d\u8ba9read\/recv\u51fd\u6570\u8bfb\u53d6\u8fd9100\u5b57\u8282\u7684\u6570\u636e\u8fdb\u884c\u8fd4\u56de\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u6709\u4e00\u70b9\u6570\u636e\u5c31\u8ba9read\/recv\u51fd\u6570\u8bfb\u53d6\u8fd4\u56de\u4e86\uff0c\u6b64\u65f6read\/recv\u5c31\u4f1a\u9891\u7e41\u7684\u8fdb\u884c\u8bfb\u53d6\u548c\u8fd4\u56de\uff0c\u8fdb\u800c\u5f71\u54cd\u8bfb\u53d6\u6570\u636e\u7684\u6548\u7387\uff08\u5728\u5185\u6838\u6001\u548c\u7528\u6237\u6001\u4e4b\u95f4\u5207\u6362\u4e5f\u662f\u6709\u6210\u672c\u7684\uff09\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u4e0d\u662f\u8bf4\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u53ea\u8981\u6709\u6570\u636e\uff0c\u8c03\u7528read\/recv\u51fd\u6570\u65f6\u5c31\u80fd\u8bfb\u53d6\u5230\u6570\u636e\u8fdb\u884c\u8fd4\u56de\uff0c\u800c\u662f\u5f53\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u91cf\u8fbe\u5230\u4e00\u5b9a\u91cf\u65f6\u624d\u80fd\u8fdb\u884c\u8bfb\u53d6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u62a5\u6587\u5f53\u4e2d\u7684PSH\u88ab\u8bbe\u7f6e\u4e3a1\u65f6\uff0c\u5b9e\u9645\u5c31\u662f\u5728\u544a\u77e5\u5bf9\u65b9\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5c3d\u5feb\u5c06\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\uff0c\u5c3d\u7ba1\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u8fd8\u6ca1\u5230\u8fbe\u6240\u6307\u5b9a\u7684\u6c34\u4f4d\u7ebf\u3002\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u4f7f\u7528read\/recv\u51fd\u6570\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u671f\u671b\u8bfb\u53d6\u7684\u5b57\u8282\u6570\u548c\u5b9e\u9645\u8bfb\u53d6\u7684\u5b57\u8282\u6570\u662f\u4e0d\u4e00\u5b9a\u543b\u5408\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>RST<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62a5\u6587\u5f53\u4e2d\u7684RST\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u8868\u793a\u9700\u8981\u8ba9\u5bf9\u65b9\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u5728\u901a\u4fe1\u53cc\u65b9\u5728\u8fde\u63a5\u672a\u5efa\u7acb\u597d\u7684\u60c5\u51b5\u4e0b\uff0c\u4e00\u65b9\u5411\u53e6\u4e00\u65b9\u53d1\u6570\u636e\uff0c\u6b64\u65f6\u53e6\u4e00\u65b9\u53d1\u9001\u7684\u54cd\u5e94\u62a5\u6587\u5f53\u4e2d\u7684RST\u6807\u5fd7\u4f4d\u5c31\u4f1a\u88ab\u7f6e\u4e3a1\uff0c\u8868\u793a\u8981\u6c42\u5bf9\u65b9\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u5728\u53cc\u65b9\u5efa\u7acb\u597d\u8fde\u63a5\u8fdb\u884c\u6b63\u5e38\u901a\u4fe1\u65f6\uff0c\u5982\u679c\u901a\u4fe1\u4e2d\u9014\u53d1\u73b0\u4e4b\u524d\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u51fa\u73b0\u4e86\u5f02\u5e38\u4e5f\u4f1a\u8981\u6c42\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u786e\u8ba4\u5e94\u7b54\u673a\u5236\uff08ACK\uff09<\/h3>\n\n\n\n<p>\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u5c31\u662f\u7531TCP\u62a5\u5934\u5f53\u4e2d\u7684\uff0c32\u4f4d\u5e8f\u53f7\u548c32\u4f4d\u786e\u8ba4\u5e8f\u53f7\u6765\u4fdd\u8bc1\u7684\u3002\u9700\u8981\u518d\u6b21\u5f3a\u8c03\u7684\u662f\uff0c\u786e\u8ba4\u5e94\u7b54\u673a\u5236\u4e0d\u662f\u4fdd\u8bc1\u53cc\u65b9\u901a\u4fe1\u7684\u5168\u90e8\u6d88\u606f\u7684\u53ef\u9760\u6027\uff0c\u800c\u662f\u901a\u8fc7\u6536\u5230\u5bf9\u65b9\u7684\u5e94\u7b54\u6d88\u606f\uff0c\u6765\u4fdd\u8bc1\u81ea\u5df1\u66fe\u7ecf\u53d1\u9001\u7ed9\u5bf9\u65b9\u7684\u67d0\u4e00\u6761\u6d88\u606f\u88ab\u5bf9\u65b9\u53ef\u9760\u7684\u6536\u5230\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/987a893059ed46318f0266b293387c65-168403516745125.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/987a893059ed46318f0266b293387c65-168403516745125.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5982\u4f55\u7406\u89e3TCP\u5c06\u6bcf\u4e2a\u5b57\u8282\u7684\u6570\u636e\u90fd\u8fdb\u884c\u4e86\u7f16\u53f7\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u662f\u9762\u5411\u5b57\u8282\u6d41\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06TCP\u7684\u53d1\u9001\u7f13\u51b2\u533a\u548c\u63a5\u6536\u7f13\u51b2\u533a\u90fd\u60f3\u8c61\u6210\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/f87a5d13e1b94b20897f8d3f95a0dffa.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/f87a5d13e1b94b20897f8d3f95a0dffa.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b64\u65f6\u4e0a\u5c42\u5e94\u7528\u62f7\u8d1d\u5230TCP\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u8282\u6570\u636e\u5929\u7136\u6709\u4e86\u4e00\u4e2a\u5e8f\u53f7\uff0c\u8fd9\u4e2a\u5e8f\u53f7\u5c31\u662f\u5b57\u7b26\u6570\u7ec4\u7684\u4e0b\u6807\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u4e0b\u6807\u4e0d\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u800c\u662f\u4ece1\u5f00\u59cb\u5f80\u540e\u9012\u589e\u7684\u3002<\/li>\n\n\n\n<li>\u800c\u53cc\u65b9\u5728\u901a\u4fe1\u65f6\uff0c\u672c\u8d28\u5c31\u662f\u5c06\u81ea\u5df1\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230\u5bf9\u65b9\u7684\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u3002<\/li>\n\n\n\n<li>\u53d1\u9001\u65b9\u53d1\u9001\u6570\u636e\u65f6\u62a5\u5934\u5f53\u4e2d\u6240\u586b\u7684\u5e8f\u53f7\uff0c\u5b9e\u9645\u5c31\u662f\u53d1\u9001\u7684\u82e5\u5e72\u5b57\u8282\u6570\u636e\u5f53\u4e2d\uff0c\u9996\u4e2a\u5b57\u8282\u6570\u636e\u5728\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u5bf9\u5e94\u7684\u4e0b\u6807\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u65b9\u63a5\u6536\u5230\u6570\u636e\u8fdb\u884c\u54cd\u5e94\u65f6\uff0c\u54cd\u5e94\u62a5\u5934\u5f53\u4e2d\u7684\u786e\u8ba4\u5e8f\u53f7\u5b9e\u9645\u5c31\u662f\uff0c\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u63a5\u6536\u5230\u7684\u6700\u540e\u4e00\u4e2a\u6709\u6548\u6570\u636e\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u6240\u5bf9\u5e94\u7684\u4e0b\u6807\u3002<\/li>\n\n\n\n<li>\u5f53\u53d1\u9001\u65b9\u6536\u5230\u63a5\u6536\u65b9\u7684\u54cd\u5e94\u540e\uff0c\u5c31\u53ef\u4ee5\u4ece\u4e0b\u6807\u4e3a\u786e\u8ba4\u5e8f\u53f7\u7684\u4f4d\u7f6e\u7ee7\u7eed\u8fdb\u884c\u53d1\u9001\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8d85\u65f6\u91cd\u4f20\u673a\u5236<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u53cc\u65b9\u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u65f6\uff0c\u53d1\u9001\u65b9\u53d1\u51fa\u53bb\u7684\u6570\u636e\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u4e8b\u4ef6\u95f4\u9694\u5185\u5982\u679c\u5f97\u4e0d\u5230\u5bf9\u65b9\u7684\u5e94\u7b54\uff0c\u6b64\u65f6\u53d1\u9001\u65b9\u5c31\u4f1a\u8fdb\u884c\u6570\u636e\u91cd\u53d1\uff0c\u8fd9\u5c31\u662fTCP\u7684\u8d85\u65f6\u91cd\u4f20\u673a\u5236\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTCP\u4fdd\u8bc1\u53cc\u65b9\u901a\u4fe1\u7684\u53ef\u9760\u6027\uff0c\u4e00\u90e8\u5206\u662f\u901a\u8fc7TCP\u7684\u534f\u8bae\u62a5\u5934\u4f53\u73b0\u51fa\u6765\u7684\uff0c\u8fd8\u6709\u4e00\u90e8\u5206\u662f\u901a\u8fc7\u5b9e\u73b0TCP\u7684\u4ee3\u7801\u903b\u8f91\u4f53\u73b0\u51fa\u6765\u7684\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u8d85\u65f6\u91cd\u4f20\u673a\u5236\u5b9e\u9645\u5c31\u662f\u53d1\u9001\u65b9\u5728\u53d1\u9001\u6570\u636e\u540e\u5f00\u542f\u4e86\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u82e5\u662f\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u6ca1\u6709\u6536\u5230\u521a\u624d\u53d1\u9001\u6570\u636e\u7684\u786e\u8ba4\u5e94\u7b54\u62a5\u6587\uff0c\u5219\u4f1a\u5bf9\u8be5\u62a5\u6587\u8fdb\u884c\u91cd\u4f20\uff0c\u8fd9\u5c31\u662f\u901a\u8fc7TCP\u7684\u4ee3\u7801\u903b\u8f91\u5b9e\u73b0\u7684\uff0c\u800c\u5728TCP\u62a5\u5934\u5f53\u4e2d\u662f\u4f53\u73b0\u4e0d\u51fa\u6765\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e22\u5305\u7684\u4e24\u79cd\u60c5\u51b5<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e22\u5305\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\uff0c\u4e00\u79cd\u662f\u53d1\u9001\u7684\u6570\u636e\u62a5\u6587\u4e22\u5931\u4e86\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u6536\u4e0d\u5230\u5bf9\u5e94\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u5c31\u4f1a\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/97d1739edc564d2e8e689390f98a91e6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/97d1739edc564d2e8e689390f98a91e6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e22\u5305\u7684\u53e6\u4e00\u79cd\u60c5\u51b5\u5176\u5b9e\u4e0d\u662f\u53d1\u9001\u7aef\u53d1\u9001\u7684\u6570\u636e\u4e22\u5305\u4e86\uff0c\u800c\u662f\u5bf9\u65b9\u53d1\u6765\u7684\u54cd\u5e94\u62a5\u6587\u4e22\u5305\u4e86\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u4e5f\u4f1a\u56e0\u4e3a\u6536\u4e0d\u5230\u5bf9\u5e94\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u800c\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/aacac01f9b974d41b007af5a1cd16bdb.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/aacac01f9b974d41b007af5a1cd16bdb.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u51fa\u73b0\u4e22\u5305\u65f6\uff0c\u53d1\u9001\u65b9\u662f\u65e0\u6cd5\u8fa8\u522b\u662f\u53d1\u9001\u7684\u6570\u636e\u62a5\u6587\u4e22\u5931\u4e86\uff0c\u8fd8\u662f\u5bf9\u65b9\u53d1\u6765\u7684\u54cd\u5e94\u62a5\u6587\u4e22\u5931\u4e86\uff0c\u56e0\u4e3a\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\u53d1\u9001\u65b9\u90fd\u6536\u4e0d\u5230\u5bf9\u65b9\u53d1\u6765\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u6b64\u65f6\u53d1\u9001\u65b9\u5c31\u53ea\u80fd\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u662f\u5bf9\u65b9\u7684\u54cd\u5e94\u62a5\u6587\u4e22\u5931\u800c\u5bfc\u81f4\u53d1\u9001\u65b9\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\uff0c\u6b64\u65f6\u63a5\u6536\u65b9\u5c31\u4f1a\u518d\u6b21\u6536\u5230\u4e00\u4e2a\u91cd\u590d\u7684\u62a5\u6587\u6570\u636e\uff0c\u4f46\u6b64\u65f6\u4e5f\u4e0d\u7528\u62c5\u5fc3\uff0c\u63a5\u6536\u65b9\u53ef\u4ee5\u6839\u636e\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u5e8f\u53f7\u6765\u5224\u65ad\u66fe\u7ecf\u662f\u5426\u6536\u5230\u8fc7\u8fd9\u4e2a\u62a5\u6587\uff0c\u4ece\u800c\u8fbe\u5230\u62a5\u6587\u53bb\u91cd\u7684\u76ee\u7684\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u88ab\u53d1\u9001\u51fa\u53bb\u540e\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u4f1a\u7acb\u5373\u5c06\u8be5\u6570\u636e\u4ece\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u5220\u9664\u6216\u8986\u76d6\uff0c\u800c\u4f1a\u8ba9\u5176\u4fdd\u7559\u5728\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\uff0c\u4ee5\u514d\u9700\u8981\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\uff0c\u76f4\u5230\u6536\u5230\u8be5\u6570\u636e\u7684\u54cd\u5e94\u62a5\u6587\u540e\uff0c\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u7684\u8fd9\u90e8\u5206\u6570\u636e\u624d\u53ef\u4ee5\u88ab\u5220\u9664\u6216\u8986\u76d6\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8d85\u65f6\u91cd\u4f20\u7684\u7b49\u5f85\u65f6\u95f4<\/p>\n<\/blockquote>\n\n\n\n<p>\u8d85\u65f6\u91cd\u4f20\u7684\u65f6\u95f4\u4e0d\u80fd\u8bbe\u7f6e\u7684\u592a\u957f\u4e5f\u4e0d\u80fd\u8bbe\u7f6e\u7684\u592a\u77ed\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8d85\u65f6\u91cd\u4f20\u7684\u65f6\u95f4\u8bbe\u7f6e\u7684\u592a\u957f\uff0c\u4f1a\u5bfc\u81f4\u4e22\u5305\u540e\u5bf9\u65b9\u957f\u65f6\u95f4\u6536\u4e0d\u5230\u5bf9\u5e94\u7684\u6570\u636e\uff0c\u8fdb\u800c\u5f71\u54cd\u6574\u4f53\u91cd\u4f20\u7684\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u8d85\u65f6\u91cd\u4f20\u7684\u65f6\u95f4\u8bbe\u7f6e\u7684\u592a\u77ed\uff0c\u4f1a\u5bfc\u81f4\u5bf9\u65b9\u6536\u5230\u5927\u91cf\u7684\u91cd\u590d\u62a5\u6587\uff0c\u53ef\u80fd\u5bf9\u65b9\u53d1\u9001\u7684\u54cd\u5e94\u62a5\u6587\u8fd8\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u800c\u5e76\u6ca1\u6709\u4e22\u5305\uff0c\u4f46\u6b64\u65f6\u53d1\u9001\u65b9\u5c31\u5f00\u59cb\u8fdb\u884c\u6570\u636e\u91cd\u4f20\u4e86\uff0c\u5e76\u4e14\u53d1\u9001\u5927\u91cf\u91cd\u590d\u62a5\u6587\u4f1a\u4e5f\u662f\u5bf9\u7f51\u7edc\u8d44\u6e90\u7684\u6d6a\u8d39\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\u8d85\u65f6\u91cd\u4f20\u7684\u65f6\u95f4\u4e00\u5b9a\u8981\u662f\u5408\u7406\u7684\uff0c\u6700\u7406\u60f3\u7684\u60c5\u51b5\u5c31\u662f\u627e\u5230\u4e00\u4e2a\u6700\u5c0f\u7684\u65f6\u95f4\uff0c\u4fdd\u8bc1\u201c\u786e\u8ba4\u5e94\u7b54\u4e00\u5b9a\u80fd\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u8fd4\u56de\u201d\u3002\u4f46\u8fd9\u4e2a\u65f6\u95f4\u7684\u957f\u77ed\uff0c\u662f\u4e0e\u7f51\u7edc\u73af\u5883\u6709\u5173\u7684\u3002\u7f51\u597d\u7684\u65f6\u5019\u91cd\u4f20\u7684\u65f6\u95f4\u53ef\u4ee5\u8bbe\u7f6e\u7684\u77ed\u4e00\u70b9\uff0c\u7f51\u5361\u7684\u65f6\u5019\u91cd\u4f20\u7684\u65f6\u95f4\u53ef\u4ee5\u8bbe\u7f6e\u7684\u957f\u4e00\u70b9\uff0c\u4e5f\u5c31\u662f\u8bf4\u8d85\u65f6\u91cd\u4f20\u8bbe\u7f6e\u7684\u7b49\u5f85\u65f6\u95f4\u4e00\u5b9a\u662f\u4e0a\u4e0b\u6d6e\u52a8\u7684\uff0c\u56e0\u6b64\u8fd9\u4e2a\u65f6\u95f4\u4e0d\u53ef\u80fd\u662f\u56fa\u5b9a\u7684\u67d0\u4e2a\u503c\u3002<\/p>\n\n\n\n<p>TCP\u4e3a\u4e86\u4fdd\u8bc1\u65e0\u8bba\u5728\u4efb\u4f55\u73af\u5883\u4e0b\u90fd\u80fd\u6709\u6bd4\u8f83\u9ad8\u6027\u80fd\u7684\u901a\u4fe1\uff0c\u56e0\u6b64\u4f1a\u52a8\u6001\u8ba1\u7b97\u8fd9\u4e2a\u6700\u5927\u8d85\u65f6\u65f6\u95f4\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Linux\u4e2d\uff08BSD Unix\u548cWindows\u4e5f\u662f\u5982\u6b64\uff09\uff0c\u8d85\u65f6\u4ee5500ms\u4e3a\u4e00\u4e2a\u5355\u4f4d\u8fdb\u884c\u63a7\u5236\uff0c\u6bcf\u6b21\u5224\u5b9a\u8d85\u65f6\u91cd\u53d1\u7684\u8d85\u65f6\u65f6\u95f4\u90fd\u662f500ms\u7684\u6574\u6570\u500d\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u91cd\u53d1\u4e00\u6b21\u4e4b\u540e\uff0c\u4ecd\u7136\u5f97\u4e0d\u5230\u5e94\u7b54\uff0c\u4e0b\u4e00\u6b21\u91cd\u4f20\u7684\u7b49\u5f85\u65f6\u95f4\u5c31\u662f2\u00d7500ms\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4ecd\u7136\u5f97\u4e0d\u5230\u5e94\u7b54\uff0c\u90a3\u4e48\u4e0b\u4e00\u6b21\u91cd\u4f20\u7684\u7b49\u5f85\u65f6\u95f4\u5c31\u662f4\u00d7500ms\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u4ee5\u6307\u6570\u7684\u5f62\u5f0f\u9012\u589e\u3002<\/li>\n\n\n\n<li>\u5f53\u7d2f\u8ba1\u5230\u4e00\u5b9a\u7684\u91cd\u4f20\u6b21\u6570\u540e\uff0cTCP\u5c31\u4f1a\u8ba4\u4e3a\u662f\u7f51\u7edc\u6216\u5bf9\u7aef\u4e3b\u673a\u51fa\u73b0\u4e86\u5f02\u5e38\uff0c\u8fdb\u800c\u5f3a\u8f6c\u5173\u95ed\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fde\u63a5\u7ba1\u7406\u673a\u5236<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u662f\u9762\u5411\u8fde\u63a5\u7684<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u7684\u5404\u79cd\u53ef\u9760\u6027\u673a\u5236\u5b9e\u9645\u90fd\u4e0d\u662f\u4ece\u4e3b\u673a\u5230\u4e3b\u673a\u7684\uff0c\u800c\u662f\u57fa\u4e8e\u8fde\u63a5\u7684\uff0c\u4e0e\u8fde\u63a5\u662f\u5f3a\u76f8\u5173\u7684\u3002\u6bd4\u5982\u4e00\u53f0\u670d\u52a1\u5668\u542f\u52a8\u540e\u53ef\u80fd\u6709\u591a\u4e2a\u5ba2\u6237\u7aef\u524d\u6765\u8bbf\u95ee\uff0c\u5982\u679cTCP\u4e0d\u662f\u57fa\u4e8e\u8fde\u63a5\u7684\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u670d\u52a1\u5668\u7aef\u53ea\u6709\u4e00\u4e2a\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u6b64\u65f6\u5404\u4e2a\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u90fd\u4f1a\u62f7\u8d1d\u5230\u8fd9\u4e2a\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\uff0c\u6b64\u65f6\u8fd9\u4e9b\u6570\u636e\u5c31\u53ef\u80fd\u4f1a\u4e92\u76f8\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u800c\u6211\u4eec\u5728\u8fdb\u884cTCP\u901a\u4fe1\u4e4b\u524d\u9700\u8981\u5148\u5efa\u7acb\u8fde\u63a5\uff0c\u5c31\u662f\u56e0\u4e3aTCP\u7684\u5404\u79cd\u53ef\u9760\u6027\u4fdd\u8bc1\u90fd\u662f\u57fa\u4e8e\u8fde\u63a5\u7684\uff0c\u8981\u4fdd\u8bc1\u4f20\u8f93\u6570\u636e\u7684\u53ef\u9760\u6027\u7684\u524d\u63d0\u5c31\u662f\u5148\u5efa\u7acb\u597d\u8fde\u63a5\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8fde\u63a5\u7684\u7ba1\u7406<\/p>\n<\/blockquote>\n\n\n\n<p>\u9762\u5411\u8fde\u63a5\u662fTCP\u53ef\u9760\u6027\u7684\u4e00\u79cd\uff0c\u53ea\u6709\u5728\u901a\u4fe1\u5efa\u7acb\u597d\u8fde\u63a5\u624d\u4f1a\u6709\u5404\u79cd\u53ef\u9760\u6027\u7684\u4fdd\u8bc1\uff0c\u800c\u4e00\u53f0\u673a\u5668\u4e0a\u53ef\u80fd\u4f1a\u5b58\u5728\u5927\u91cf\u7684\u8fde\u63a5\uff0c\u6b64\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5c31\u4e0d\u5f97\u4e0d\u5bf9\u8fd9\u4e9b\u8fde\u63a5\u8fdb\u884c\u7ba1\u7406\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u7cfb\u7edf\u5728\u7ba1\u7406\u8fd9\u4e9b\u8fde\u63a5\u65f6\u9700\u8981\u201c\u5148\u63cf\u8ff0\uff0c\u518d\u7ec4\u7ec7\u201d\uff0c\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e00\u5b9a\u6709\u4e00\u4e2a\u63cf\u8ff0\u8fde\u63a5\u7684\u7ed3\u6784\u4f53\uff0c\u8be5\u7ed3\u6784\u4f53\u5f53\u4e2d\u5305\u542b\u4e86\u8fde\u63a5\u7684\u5404\u79cd\u5c5e\u6027\u5b57\u6bb5\uff0c\u6240\u6709\u5b9a\u4e49\u51fa\u6765\u7684\u8fde\u63a5\u7ed3\u6784\u4f53\u6700\u7ec8\u90fd\u4f1a\u4ee5\u67d0\u79cd\u6570\u636e\u7ed3\u6784\u7ec4\u7ec7\u8d77\u6765\uff0c\u6b64\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8fde\u63a5\u7684\u7ba1\u7406\u5c31\u53d8\u6210\u4e86\u5bf9\u8be5\u6570\u636e\u7ed3\u6784\u7684\u589e\u5220\u67e5\u6539\u3002<\/li>\n\n\n\n<li>\u5efa\u7acb\u8fde\u63a5\uff0c\u5b9e\u9645\u5c31\u662f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7528\u8be5\u7ed3\u6784\u4f53\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u7136\u540e\u586b\u5145\u8fde\u63a5\u7684\u5404\u79cd\u5c5e\u6027\u5b57\u6bb5\uff0c\u6700\u540e\u5c06\u5176\u63d2\u5165\u5230\u7ba1\u7406\u8fde\u63a5\u7684\u6570\u636e\u7ed3\u6784\u5f53\u4e2d\u5373\u53ef\u3002<\/li>\n\n\n\n<li>\u65ad\u5f00\u8fde\u63a5\uff0c\u5b9e\u9645\u5c31\u662f\u5c06\u67d0\u4e2a\u8fde\u63a5\u4ece\u7ba1\u7406\u8fde\u63a5\u7684\u6570\u636e\u7ed3\u6784\u5f53\u4e2d\u5220\u9664\uff0c\u91ca\u653e\u8be5\u8fde\u63a5\u66fe\u7ecf\u5360\u7528\u7684\u5404\u79cd\u8d44\u6e90\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u8fde\u63a5\u7684\u7ba1\u7406\u4e5f\u662f\u6709\u6210\u672c\u7684\uff0c\u8fd9\u4e2a\u6210\u672c\u5c31\u662f\u7ba1\u7406\u8fde\u63a5\u7ed3\u6784\u4f53\u7684\u65f6\u95f4\u6210\u672c\uff0c\u4ee5\u53ca\u5b58\u50a8\u8fde\u63a5\u7ed3\u6784\u4f53\u7684\u7a7a\u95f4\u6210\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u6b21\u63e1\u624b<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p>\u53cc\u65b9\u5728\u8fdb\u884cTCP\u901a\u4fe1\u4e4b\u524d\u9700\u8981\u5148\u5efa\u7acb\u8fde\u63a5\uff0c\u5efa\u7acb\u8fde\u63a5\u7684\u8fd9\u4e2a\u8fc7\u7a0b\u6211\u4eec\u79f0\u4e4b\u4e3a\u4e09\u6b21\u63e1\u624b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/0c221ce71a9d4f37b1536dd8c34272fc.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/0c221ce71a9d4f37b1536dd8c34272fc.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4ee5\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e3a\u4f8b\uff0c\u5f53\u5ba2\u6237\u7aef\u60f3\u8981\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u9700\u8981\u5148\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u4f5c\u4e3a\u4e3b\u52a8\u65b9\u4f1a\u5148\u5411\u670d\u52a1\u5668\u53d1\u9001\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\uff0c\u7136\u540e\u53cc\u65b9TCP\u5728\u5e95\u5c42\u4f1a\u81ea\u52a8\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b21\u63e1\u624b\uff1a\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u7684\u62a5\u6587\u5f53\u4e2d\u7684SYN\u4f4d\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u8868\u793a\u8bf7\u6c42\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6b21\u63e1\u624b\uff1a\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u8bf7\u6c42\u62a5\u6587\u540e\uff0c\u7d27\u63a5\u7740\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\u5e76\u5bf9\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u8bf7\u6c42\u8fdb\u884c\u54cd\u5e94\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u62a5\u6587\u5f53\u4e2d\u7684SYN\u4f4d\u548cACK\u4f4d\u5747\u88ab\u8bbe\u7f6e\u4e3a1\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e09\u6b21\u63e1\u624b\uff1a\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u53d1\u6765\u7684\u62a5\u6587\u540e\uff0c\u5f97\u77e5\u670d\u52a1\u5668\u6536\u5230\u4e86\u81ea\u5df1\u53d1\u9001\u7684\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\uff0c\u5e76\u8bf7\u6c42\u548c\u81ea\u5df1\u5efa\u7acb\u8fde\u63a5\uff0c\u6700\u540e\u5ba2\u6237\u7aef\u518d\u5411\u670d\u52a1\u5668\u53d1\u6765\u7684\u62a5\u6587\u8fdb\u884c\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u8d77\u7684\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\uff0c\u662f\u8bf7\u6c42\u5efa\u7acb\u4ece\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u65b9\u5411\u7684\u901a\u4fe1\u8fde\u63a5\uff0c\u800cTCP\u662f\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u5728\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\u540e\uff0c\u670d\u52a1\u5668\u4e5f\u9700\u8981\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\uff0c\u8bf7\u6c42\u5efa\u7acb\u4ece\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef\u65b9\u5411\u7684\u901a\u4fe1\u8fde\u63a5\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u662f\u4e09\u6b21\u63e1\u624b\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u9700\u8981\u77e5\u9053\uff0c\u8fde\u63a5\u5efa\u7acb\u4e0d\u662f\u767e\u5206\u4e4b\u767e\u80fd\u6210\u529f\u7684\uff0c\u901a\u4fe1\u53cc\u65b9\u5728\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u65f6\uff0c\u5176\u4e2d\u524d\u4e24\u6b21\u63e1\u624b\u80fd\u591f\u4fdd\u8bc1\u88ab\u5bf9\u65b9\u6536\u5230\uff0c\u56e0\u4e3a\u524d\u4e24\u6b21\u63e1\u624b\u90fd\u6709\u5bf9\u5e94\u7684\u4e0b\u4e00\u6b21\u63e1\u624b\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\uff0c\u4f46\u7b2c\u4e09\u6b21\u63e1\u624b\u662f\u6ca1\u6709\u5bf9\u5e94\u7684\u54cd\u5e94\u62a5\u6587\u7684\uff0c\u5982\u679c\u7b2c\u4e09\u6b21\u63e1\u624b\u65f6\u5ba2\u6237\u7aef\u53d1\u9001\u7684ACK\u62a5\u6587\u4e22\u5931\u4e86\uff0c\u90a3\u4e48\u8fde\u63a5\u5efa\u7acb\u5c31\u4f1a\u5931\u8d25\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/f82abd3ab4c1459e8a91dcb8e05823a5.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/f82abd3ab4c1459e8a91dcb8e05823a5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u867d\u7136\u5ba2\u6237\u7aef\u53d1\u8d77\u7b2c\u4e09\u6b21\u63e1\u624b\u540e\u5c31\u5b8c\u6210\u4e86\u4e09\u6b21\u63e1\u624b\uff0c\u4f46\u670d\u52a1\u5668\u5374\u6ca1\u6709\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u4e09\u6b21\u63e1\u624b\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7aef\u5c31\u4e0d\u4f1a\u5efa\u7acb\u5bf9\u5e94\u7684\u8fde\u63a5\u3002\u6240\u4ee5\u5efa\u7acb\u8fde\u63a5\u65f6\u4e0d\u7ba1\u91c7\u7528\u51e0\u6b21\u63e1\u624b\uff0c\u6700\u540e\u4e00\u6b21\u63e1\u624b\u7684\u53ef\u9760\u6027\u90fd\u662f\u4e0d\u80fd\u4fdd\u8bc1\u7684\u3002<\/p>\n\n\n\n<p>\u65e2\u7136\u8fde\u63a5\u7684\u5efa\u7acb\u90fd\u4e0d\u662f\u767e\u5206\u4e4b\u767e\u6210\u529f\u7684\uff0c\u56e0\u6b64\u5efa\u7acb\u8fde\u63a5\u65f6\u5177\u4f53\u91c7\u7528\u51e0\u6b21\u63e1\u624b\u7684\u4f9d\u636e\uff0c\u5b9e\u9645\u662f\u770b\u51e0\u6b21\u63e1\u624b\u65f6\u7684\u4f18\u70b9\u66f4\u591a\u3002<\/p>\n\n\n\n<p>\u4e09\u6b21\u63e1\u624b\u662f\u9a8c\u8bc1\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u7684\u6700\u5c0f\u6b21\u6570\uff1a<\/p>\n\n\n\n<ul 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class=\"wp-block-list\">\n<li>\u5f53\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u53d1\u6765\u7684\u7b2c\u4e8c\u6b21\u63e1\u624b\u65f6\uff0c\u5ba2\u6237\u7aef\u5c31\u5df2\u7ecf\u8bc1\u660e\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u662f\u8fde\u901a\u7684\u4e86\uff0c\u56e0\u6b64\u5f53\u5ba2\u6237\u7aef\u53d1\u51fa\u7b2c\u4e09\u6b21\u63e1\u624b\u540e\uff0c\u8fd9\u4e2a\u8fde\u63a5\u5c31\u5df2\u7ecf\u5728\u5ba2\u6237\u7aef\u5efa\u7acb\u4e86\u3002<\/li>\n\n\n\n<li>\u800c\u53ea\u6709\u5f53\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u7b2c\u4e09\u6b21\u63e1\u624b\u540e\uff0c\u670d\u52a1\u5668\u624d\u77e5\u9053\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u662f\u8fde\u901a\u7684\uff0c\u6b64\u65f6\u5728\u670d\u52a1\u5668\u7aef\u624d\u4f1a\u5efa\u7acb\u5bf9\u5e94\u7684\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u53cc\u65b9\u5728\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\u65f6\uff0c\u53cc\u65b9\u5efa\u7acb\u8fde\u63a5\u7684\u65f6\u95f4\u70b9\u662f\u4e0d\u4e00\u6837\u7684\u3002\u5982\u679c\u5ba2\u6237\u7aef\u6700\u540e\u53d1\u51fa\u7684\u7b2c\u4e09\u6b21\u63e1\u624b\u4e22\u5305\u4e86\uff0c\u6b64\u65f6\u5728\u670d\u52a1\u5668\u7aef\u5c31\u4e0d\u4f1a\u5efa\u7acb\u5bf9\u5e94\u7684\u8fde\u63a5\uff0c\u800c\u5728\u5ba2\u6237\u7aef\u5c31\u9700\u8981\u77ed\u6682\u7684\u7ef4\u62a4\u4e00\u4e2a\u5f02\u5e38\u7684\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u800c\u7ef4\u62a4\u8fde\u63a5\u662f\u9700\u8981\u65f6\u95f4\u6210\u672c\u548c\u7a7a\u95f4\u6210\u672c\u7684\uff0c\u56e0\u6b64\u4e09\u6b21\u63e1\u624b\u8fd8\u6709\u4e00\u4e2a\u597d\u5904\u5c31\u662f\u80fd\u591f\u4fdd\u8bc1\u8fde\u63a5\u5efa\u7acb\u5f02\u5e38\u65f6\uff0c\u8fd9\u4e2a\u5f02\u5e38\u8fde\u63a5\u662f\u6302\u5728\u5ba2\u6237\u7aef\u7684\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u5230\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u867d\u7136\u6b64\u65f6\u5ba2\u6237\u7aef\u4e5f\u9700\u8981\u77ed\u6682\u7ef4\u62a4\u8fd9\u4e2a\u5f02\u5e38\uff0c\u4f46\u5ba2\u6237\u7aef\u7684\u5f02\u5e38\u8fde\u63a5\u4e0d\u4f1a\u7279\u522b\u591a\uff0c\u4e0d\u50cf\u670d\u52a1\u5668\uff0c\u4e00\u65e6\u591a\u4e2a\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5\u65f6\u90fd\u5efa\u7acb\u5931\u8d25\u4e86\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7aef\u5c31\u9700\u8981\u8017\u8d39\u5927\u91cf\u8d44\u6e90\u6765\u7ef4\u62a4\u8fd9\u4e9b\u5f02\u5e38\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u6b64\u5916\uff0c\u5efa\u7acb\u8fde\u63a5\u5931\u8d25\u65f6\u7684\u5f02\u5e38\u8fde\u63a5\u4e0d\u4f1a\u4e00\u76f4\u7ef4\u62a4\u4e0b\u53bb\u3002\u5982\u679c\u670d\u52a1\u5668\u7aef\u957f\u65f6\u95f4\u6536\u4e0d\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u7b2c\u4e09\u6b21\u63e1\u624b\uff0c\u5c31\u4f1a\u5c06\u7b2c\u4e8c\u6b21\u63e1\u624b\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u5c31\u4f1a\u6709\u673a\u4f1a\u91cd\u65b0\u53d1\u51fa\u7b2c\u4e09\u6b21\u63e1\u624b\u3002\u6216\u8005\u5f53\u5ba2\u6237\u7aef\u8ba4\u4e3a\u8fde\u63a5\u5efa\u7acb\u540e\u5411\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u65f6\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u4f1a\u53d1\u73b0\u6ca1\u6709\u548c\u8be5\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5\u800c\u8981\u6c42\u5ba2\u6237\u7aef\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0c\u8fd9\u91cc\u7ed9\u51fa\u4e24\u4e2a\u5efa\u7acb\u8fde\u63a5\u65f6\u91c7\u7528\u4e09\u6b21\u63e1\u624b\u7684\u7406\u7531\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e09\u6b21\u63e1\u624b\u662f\u9a8c\u8bc1\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u7684\u6700\u5c0f\u6b21\u6570\uff0c\u80fd\u591f\u8ba9\u80fd\u5efa\u7acb\u7684\u8fde\u63a5\u5c3d\u5feb\u5efa\u7acb\u8d77\u6765\u3002<\/li>\n\n\n\n<li>\u4e09\u6b21\u63e1\u624b\u80fd\u591f\u4fdd\u8bc1\u8fde\u63a5\u5efa\u7acb\u65f6\u7684\u5f02\u5e38\u8fde\u63a5\u6302\u5728\u5ba2\u6237\u7aef\uff08\u98ce\u9669\u8f6c\u79fb\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e09\u6b21\u63e1\u624b\u65f6\u7684\u72b6\u6001\u53d8\u5316<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/2a4d4b4dff624b72958406bf33e6cb29.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/2a4d4b4dff624b72958406bf33e6cb29.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e09\u6b21\u63e1\u624b\u65f6\u7684\u72b6\u6001\u53d8\u5316\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5f00\u59cb\u65f6\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u5904\u4e8eCLOSED\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u4e3a\u4e86\u80fd\u591f\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u9700\u8981\u7531CLOSED\u72b6\u6001\u53d8\u4e3aLISTEN\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u5411\u670d\u52a1\u5668\u53d1\u8d77\u4e09\u6b21\u63e1\u624b\u4e86\uff0c\u5f53\u5ba2\u6237\u7aef\u53d1\u8d77\u7b2c\u4e00\u6b21\u63e1\u624b\u540e\uff0c\u72b6\u6001\u53d8\u4e3aSYN_SENT\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u5904\u4e8eLISTEN\u72b6\u6001\u7684\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u540e\uff0c\u5c06\u8be5\u8fde\u63a5\u653e\u5165\u5185\u6838\u7b49\u5f85\u961f\u5217\u4e2d\uff0c\u5e76\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u7b2c\u4e8c\u6b21\u63e1\u624b\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7684\u72b6\u6001\u53d8\u4e3aSYN_RCVD\u3002<\/li>\n\n\n\n<li>\u5f53\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u53d1\u6765\u7684\u7b2c\u4e8c\u6b21\u63e1\u624b\u540e\uff0c\u7d27\u63a5\u7740\u5411\u670d\u52a1\u5668\u53d1\u9001\u6700\u540e\u4e00\u6b21\u63e1\u624b\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u5df2\u7ecf\u5efa\u7acb\uff0c\u72b6\u6001\u53d8\u4e3aESTABLISHED\u3002<\/li>\n\n\n\n<li>\u800c\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6700\u540e\u4e00\u6b21\u63e1\u624b\u540e\uff0c\u8fde\u63a5\u4e5f\u5efa\u7acb\u6210\u529f\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7684\u72b6\u6001\u4e5f\u53d8\u6210ESTABLISHED\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u81f3\u6b64\u4e09\u6b21\u63e1\u624b\u7ed3\u675f\uff0c\u901a\u4fe1\u53cc\u65b9\u53ef\u4ee5\u5f00\u59cb\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5957\u63a5\u5b57\u548c\u4e09\u6b21\u63e1\u624b\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\u4e4b\u524d\uff0c\u670d\u52a1\u5668\u9700\u8981\u5148\u8fdb\u5165LISTEN\u72b6\u6001\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u670d\u52a1\u5668\u8c03\u7528\u5bf9\u5e94listen\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5f53\u670d\u52a1\u5668\u8fdb\u5165LISTEN\u72b6\u6001\u540e\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u5411\u670d\u52a1\u5668\u53d1\u8d77\u4e09\u6b21\u63e1\u624b\u4e86\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u5bf9\u5e94\u8c03\u7528\u7684\u5c31\u662fconnect\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cconnect\u51fd\u6570\u4e0d\u53c2\u4e0e\u5e95\u5c42\u7684\u4e09\u6b21\u63e1\u624b\uff0cconnect\u51fd\u6570\u7684\u4f5c\u7528\u53ea\u662f\u53d1\u8d77\u4e09\u6b21\u63e1\u624b\u3002\u5f53connect\u51fd\u6570\u8fd4\u56de\u65f6\uff0c\u8981\u4e48\u662f\u5e95\u5c42\u5df2\u7ecf\u6210\u529f\u5b8c\u6210\u4e86\u4e09\u6b21\u63e1\u624b\u8fde\u63a5\u5efa\u7acb\u6210\u529f\uff0c\u8981\u4e48\u662f\u5e95\u5c42\u4e09\u6b21\u63e1\u624b\u5931\u8d25\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u670d\u52a1\u5668\u7aef\u4e0e\u5ba2\u6237\u7aef\u6210\u529f\u5b8c\u6210\u4e86\u4e09\u6b21\u63e1\u624b\uff0c\u6b64\u65f6\u5728\u670d\u52a1\u5668\u7aef\u5c31\u4f1a\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\uff0c\u4f46\u8fd9\u4e2a\u8fde\u63a5\u5728\u5185\u6838\u7684\u7b49\u5f85\u961f\u5217\u5f53\u4e2d\uff0c\u670d\u52a1\u5668\u7aef\u9700\u8981\u901a\u8fc7\u8c03\u7528accept\u51fd\u6570\u5c06\u8fd9\u4e2a\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765\u3002<\/li>\n\n\n\n<li>\u5f53\u670d\u52a1\u5668\u7aef\u5c06\u5efa\u7acb\u597d\u7684\u8fde\u63a5\u83b7\u53d6\u4e0a\u6765\u540e\uff0c\u53cc\u65b9\u5c31\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528read\/recv\u51fd\u6570\u548cwrite\/send\u51fd\u6570\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u6b21\u6325\u624b<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p>\u7531\u4e8e\u53cc\u65b9\u7ef4\u62a4\u8fde\u63a5\u90fd\u662f\u9700\u8981\u6210\u672c\u7684\uff0c\u56e0\u6b64\u5f53\u53cc\u65b9TCP\u901a\u4fe1\u7ed3\u675f\u4e4b\u540e\u5c31\u9700\u8981\u65ad\u5f00\u8fde\u63a5\uff0c\u65ad\u5f00\u8fde\u63a5\u7684\u8fd9\u4e2a\u8fc7\u7a0b\u6211\u4eec\u79f0\u4e4b\u4e3a\u56db\u6b21\u6325\u624b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/6e525ea32ee34371b0a732ae61ada0e3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/6e525ea32ee34371b0a732ae61ada0e3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd8\u662f\u4ee5\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e3a\u4f8b\uff0c\u5f53\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7ed3\u675f\u540e\uff0c\u9700\u8981\u4e0e\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u8fdb\u884c\u56db\u6b21\u6325\u624b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b21\u6325\u624b\uff1a\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u53d1\u9001\u7684\u62a5\u6587\u5f53\u4e2d\u7684FIN\u4f4d\u88ab\u8bbe\u7f6e\u4e3a1\uff0c\u8868\u793a\u8bf7\u6c42\u4e0e\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6b21\u6325\u624b\uff1a\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\u540e\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e09\u6b21\u6325\u624b\uff1a\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5\u7684\u8bf7\u6c42\uff0c\u4e14\u5df2\u7ecf\u6ca1\u6709\u6570\u636e\u9700\u8981\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u65f6\u5019\uff0c\u670d\u52a1\u5668\u5c31\u4f1a\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li>\u7b2c\u56db\u6b21\u6325\u624b\uff1a\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u53d1\u6765\u7684\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\u540e\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56db\u6b21\u6325\u624b\u7ed3\u675f\u540e\u53cc\u65b9\u7684\u8fde\u63a5\u624d\u7b97\u771f\u6b63\u65ad\u5f00\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u662f\u56db\u6b21\u6325\u624b\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7531\u4e8eTCP\u662f\u5168\u53cc\u5de5\u7684\uff0c\u5efa\u7acb\u8fde\u63a5\u7684\u65f6\u5019\u9700\u8981\u5efa\u7acb\u53cc\u65b9\u7684\u8fde\u63a5\uff0c\u65ad\u5f00\u8fde\u63a5\u65f6\u4e5f\u540c\u6837\u5982\u6b64\u3002\u5728\u65ad\u5f00\u8fde\u63a5\u65f6\u4e0d\u4ec5\u8981\u65ad\u5f00\u4ece\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u65b9\u5411\u7684\u901a\u4fe1\u4fe1\u9053\uff0c\u4e5f\u8981\u65ad\u5f00\u4ece\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef\u7684\u901a\u4fe1\u4fe1\u9053\uff0c\u5176\u4e2d\u6bcf\u4e24\u6b21\u6325\u624b\u5bf9\u5e94\u5c31\u662f\u5173\u95ed\u4e00\u4e2a\u65b9\u5411\u7684\u901a\u4fe1\u4fe1\u9053\uff0c\u56e0\u6b64\u65ad\u5f00\u8fde\u63a5\u65f6\u9700\u8981\u8fdb\u884c\u56db\u6b21\u6325\u624b\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u56db\u6b21\u6325\u624b\u5f53\u4e2d\u7684\u7b2c\u4e8c\u6b21\u548c\u7b2c\u4e09\u6b21\u6325\u624b\u4e0d\u80fd\u5408\u5e76\u5728\u4e00\u8d77\uff0c\u56e0\u4e3a\u7b2c\u4e09\u6b21\u6325\u624b\u662f\u670d\u52a1\u5668\u7aef\u60f3\u8981\u4e0e\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5\u65f6\u53d1\u7ed9\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u800c\u5f53\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\u5e76\u54cd\u5e94\u540e\uff0c\u670d\u52a1\u5668\u4e0d\u4e00\u5b9a\u4f1a\u9a6c\u4e0a\u53d1\u8d77\u7b2c\u4e09\u6b21\u6325\u624b\uff0c\u56e0\u4e3a\u670d\u52a1\u5668\u53ef\u80fd\u8fd8\u6709\u67d0\u4e9b\u6570\u636e\u8981\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u53ea\u6709\u5f53\u670d\u52a1\u5668\u7aef\u5c06\u8fd9\u4e9b\u6570\u636e\u53d1\u9001\u5b8c\u540e\u624d\u4f1a\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u7b2c\u4e09\u6b21\u6325\u624b\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u56db\u6b21\u6325\u624b\u65f6\u7684\u72b6\u6001\u53d8\u5316<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/020f1018a3824b3e850bef83681e5011.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/020f1018a3824b3e850bef83681e5011.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u56db\u6b21\u6325\u624b\u65f6\u7684\u72b6\u6001\u53d8\u5316\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u6325\u624b\u524d\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u5904\u4e8e\u8fde\u63a5\u5efa\u7acb\u540e\u7684ESTABLISHED\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u4e3a\u4e86\u4e0e\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5\u4e3b\u52a8\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8fde\u63a5\u65ad\u5f00\u8bf7\u6c42\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u7684\u72b6\u6001\u53d8\u4e3aFIN_WAIT_1\u3002<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8fde\u63a5\u65ad\u5f00\u8bf7\u6c42\u540e\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7684\u72b6\u6001\u53d8\u4e3aCLOSE_WAIT\u3002<\/li>\n\n\n\n<li>\u5f53\u670d\u52a1\u5668\u6ca1\u6709\u6570\u636e\u9700\u8981\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u65f6\u5019\uff0c\u670d\u52a1\u5668\u4f1a\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u65ad\u5f00\u8bf7\u6c42\uff0c\u7b49\u5f85\u6700\u540e\u4e00\u4e2aACK\u5230\u6765\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u7684\u72b6\u6001\u53d8\u4e3aLASE_ACK\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u53d1\u6765\u7684\u7b2c\u4e09\u6b21\u6325\u624b\u540e\uff0c\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u9001\u6700\u540e\u4e00\u4e2a\u54cd\u5e94\u62a5\u6587\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u8fdb\u5165TIME_WAIT\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u5f53\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6700\u540e\u4e00\u4e2a\u54cd\u5e94\u62a5\u6587\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u5f7b\u5e95\u5173\u95ed\u8fde\u63a5\uff0c\u53d8\u4e3aCLOSED\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u800c\u5ba2\u6237\u7aef\u5219\u4f1a\u7b49\u5f85\u4e00\u4e2a2MSL\uff08Maximum Segment Lifetime\uff0c\u62a5\u6587\u6700\u5927\u751f\u5b58\u65f6\u95f4\uff09\u624d\u4f1a\u8fdb\u5165CLOSED\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u81f3\u6b64\u56db\u6b21\u6325\u624b\u7ed3\u675f\uff0c\u901a\u4fe1\u53cc\u65b9\u6210\u529f\u65ad\u5f00\u8fde\u63a5\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5957\u63a5\u5b57\u4e0e\u56db\u6b21\u6325\u624b\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba2\u6237\u7aef\u53d1\u8d77\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\uff0c\u5bf9\u5e94\u7684\u5c31\u662f\u5ba2\u6237\u7aef\u4e3b\u52a8\u8c03\u7528close\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u670d\u52a1\u5668\u53d1\u8d77\u65ad\u5f00\u8fde\u63a5\u8bf7\u6c42\uff0c\u5bf9\u5e94\u7684\u5c31\u662f\u670d\u52a1\u5668\u4e3b\u52a8\u8c03\u7528close\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2aclose\u5bf9\u5e94\u7684\u5c31\u662f\u4e24\u6b21\u6325\u624b\uff0c\u53cc\u65b9\u90fd\u8981\u8c03\u7528close\uff0c\u56e0\u6b64\u5c31\u662f\u56db\u6b21\u6325\u624b\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>CLOSE_WAIT<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cc\u65b9\u5728\u8fdb\u884c\u56db\u6b21\u6325\u624b\u65f6\uff0c\u5982\u679c\u53ea\u6709\u5ba2\u6237\u7aef\u8c03\u7528\u4e86close\u51fd\u6570\uff0c\u800c\u670d\u52a1\u5668\u4e0d\u8c03\u7528close\u51fd\u6570\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u5c31\u4f1a\u8fdb\u5165CLOSE_WAIT\u72b6\u6001\uff0c\u800c\u5ba2\u6237\u7aef\u5219\u4f1a\u8fdb\u5165\u5230FIN_WAIT_2\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u4f46\u53ea\u6709\u5b8c\u6210\u56db\u6b21\u6325\u624b\u540e\u8fde\u63a5\u624d\u7b97\u771f\u6b63\u65ad\u5f00\uff0c\u6b64\u65f6\u53cc\u65b9\u624d\u4f1a\u91ca\u653e\u5bf9\u5e94\u7684\u8fde\u63a5\u8d44\u6e90\u3002\u5982\u679c\u670d\u52a1\u5668\u6ca1\u6709\u4e3b\u52a8\u5173\u95ed\u4e0d\u9700\u8981\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u6b64\u65f6\u5728\u670d\u52a1\u5668\u7aef\u5c31\u4f1a\u5b58\u5728\u5927\u91cf\u5904\u4e8eCLOSE_WAIT\u72b6\u6001\u7684\u8fde\u63a5\uff0c\u800c\u6bcf\u4e2a\u8fde\u63a5\u90fd\u4f1a\u5360\u7528\u670d\u52a1\u5668\u7684\u8d44\u6e90\uff0c\u6700\u7ec8\u5c31\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u53ef\u7528\u8d44\u6e90\u8d8a\u6765\u8d8a\u5c11\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u5982\u679c\u4e0d\u53ca\u65f6\u5173\u95ed\u4e0d\u7528\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u9664\u4e86\u4f1a\u9020\u6210\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u9732\u4ee5\u5916\uff0c\u53ef\u80fd\u4e5f\u4f1a\u5bfc\u81f4\u8fde\u63a5\u8d44\u6e90\u6ca1\u6709\u5b8c\u5168\u91ca\u653e\uff0c\u8fd9\u5176\u5b9e\u4e5f\u662f\u4e00\u79cd\u5185\u5b58\u6cc4\u9732\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u5728\u7f16\u5199\u7f51\u7edc\u5957\u63a5\u5b57\u4ee3\u7801\u65f6\uff0c\u5982\u679c\u53d1\u73b0\u670d\u52a1\u5668\u7aef\u5b58\u5728\u5927\u91cf\u5904\u4e8eCLOSE_WAIT\u72b6\u6001\u7684\u8fde\u63a5\uff0c\u6b64\u65f6\u5c31\u53ef\u4ee5\u68c0\u67e5\u4e00\u4e0b\u662f\u4e0d\u662f\u670d\u52a1\u5668\u6ca1\u6709\u53ca\u65f6\u8c03\u7528close\u51fd\u6570\u5173\u95ed\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TIME_WAIT<\/p>\n<\/blockquote>\n\n\n\n<p>\u56db\u6b21\u6325\u624b\u4e2d\u524d\u4e09\u6b21\u6325\u624b\u4e22\u5305\u65f6\u7684\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b21\u6325\u624b\u4e22\u5305\uff1a\u5ba2\u6237\u7aef\u6536\u4e0d\u5230\u670d\u52a1\u5668\u7684\u5e94\u7b54\uff0c\u8fdb\u800c\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6b21\u6325\u624b\u4e22\u5305\uff1a\u5ba2\u6237\u7aef\u6536\u4e0d\u5230\u670d\u52a1\u5668\u7684\u5e94\u7b54\uff0c\u8fdb\u800c\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u7b2c\u4e09\u6b21\u6325\u624b\u4e22\u5305\uff1a\u670d\u52a1\u5668\u6536\u4e0d\u5230\u5ba2\u6237\u7aef\u7684\u5e94\u7b54\uff0c\u8fdb\u800c\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u7b2c\u56db\u6b21\u6325\u624b\u4e22\u5305\uff1a\u670d\u52a1\u5668\u6536\u4e0d\u5230\u5ba2\u6237\u7aef\u7684\u5e94\u7b54\uff0c\u8fdb\u800c\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u5ba2\u6237\u7aef\u5728\u53d1\u51fa\u7b2c\u56db\u6b21\u6325\u624b\u540e\u7acb\u5373\u8fdb\u5165CLOSED\u72b6\u6001\uff0c\u6b64\u65f6\u670d\u52a1\u5668\u867d\u7136\u8fdb\u884c\u4e86\u8d85\u65f6\u91cd\u4f20\uff0c\u4f46\u5df2\u7ecf\u5f97\u4e0d\u5230\u5ba2\u6237\u7aef\u7684\u54cd\u5e94\u4e86\uff0c\u56e0\u4e3a\u5ba2\u6237\u7aef\u5df2\u7ecf\u5c06\u8fde\u63a5\u5173\u95ed\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/644d24be32b941628a22bd806aabe2da.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/644d24be32b941628a22bd806aabe2da.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u670d\u52a1\u5668\u5728\u7ecf\u8fc7\u82e5\u5e72\u6b21\u8d85\u65f6\u91cd\u4f20\u540e\u5f97\u4e0d\u5230\u54cd\u5e94\uff0c\u6700\u7ec8\u4e5f\u4e00\u5b9a\u4f1a\u5c06\u5bf9\u5e94\u7684\u8fde\u63a5\u5173\u95ed\uff0c\u4f46\u5728\u670d\u52a1\u5668\u4e0d\u65ad\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u671f\u95f4\u8fd8\u9700\u8981\u7ef4\u62a4\u8fd9\u6761\u5e9f\u5f03\u7684\u8fde\u63a5\uff0c\u8fd9\u6837\u5bf9\u670d\u52a1\u5668\u662f\u975e\u5e38\u4e0d\u53cb\u597d\u7684\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u56e0\u6b64\u5ba2\u6237\u7aef\u5728\u56db\u6b21\u6325\u624b\u540e\u6ca1\u6709\u7acb\u5373\u8fdb\u5165CLOSED\u72b6\u6001\uff0c\u800c\u662f\u8fdb\u5165\u5230\u4e86TIME_WAIT\u72b6\u6001\u8fdb\u884c\u7b49\u5f85\uff0c\u6b64\u65f6\u8981\u662f\u7b2c\u56db\u6b21\u6325\u624b\u7684\u62a5\u6587\u4e22\u5305\u4e86\uff0c\u5ba2\u6237\u7aef\u4e5f\u80fd\u6536\u5230\u670d\u52a1\u5668\u91cd\u53d1\u7684\u62a5\u6587\u7136\u540e\u8fdb\u884c\u54cd\u5e94\u3002<\/p>\n\n\n\n<p>TIME_WAIT\u72b6\u6001\u5b58\u5728\u7684\u5fc5\u8981\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba2\u6237\u7aef\u5728\u8fdb\u884c\u56db\u6b21\u6325\u624b\u540e\u8fdb\u5165TIME_WAIT\u72b6\u6001\uff0c\u5982\u679c\u7b2c\u56db\u6b21\u6325\u624b\u7684\u62a5\u6587\u4e22\u5305\u4e86\uff0c\u5ba2\u6237\u7aef\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4ecd\u7136\u80fd\u591f\u63a5\u6536\u670d\u52a1\u5668\u91cd\u53d1\u7684FIN\u62a5\u6587\u5e76\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\uff0c\u80fd\u591f\u8f83\u5927\u6982\u8bba\u4fdd\u8bc1\u6700\u540e\u4e00\u4e2aACK\u88ab\u670d\u52a1\u5668\u6536\u5230\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u53d1\u51fa\u6700\u540e\u4e00\u6b21\u6325\u624b\u65f6\uff0c\u53cc\u65b9\u5386\u53f2\u901a\u4fe1\u7684\u6570\u636e\u53ef\u80fd\u8fd8\u6ca1\u6709\u53d1\u9001\u5230\u5bf9\u65b9\u3002\u56e0\u6b64\u5ba2\u6237\u7aef\u56db\u6b21\u6325\u624b\u540e\u8fdb\u5165TIME_WAIT\u72b6\u6001\uff0c\u8fd8\u53ef\u4ee5\u4fdd\u8bc1\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u4e0a\u7684\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u5c3d\u53ef\u80fd\u7684\u6d88\u6563\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5b9e\u9645\u7b2c\u56db\u6b21\u6325\u624b\u4e22\u5305\u540e\uff0c\u53ef\u80fd\u53cc\u65b9\u7f51\u7edc\u72b6\u6001\u51fa\u73b0\u4e86\u95ee\u9898\uff0c\u5c3d\u7ba1\u5ba2\u6237\u7aef\u8fd8\u6ca1\u6709\u5173\u95ed\u8fde\u63a5\uff0c\u4e5f\u6536\u4e0d\u5230\u670d\u52a1\u5668\u91cd\u53d1\u7684\u8fde\u63a5\u65ad\u5f00\u8bf7\u6c42\uff0c\u6b64\u65f6\u5ba2\u6237\u7aefTIME_WAIT\u7b49\u82e5\u5e72\u65f6\u95f4\u6700\u7ec8\u4f1a\u5173\u95ed\u8fde\u63a5\uff0c\u800c\u670d\u52a1\u5668\u7ecf\u8fc7\u591a\u6b21\u8d85\u65f6\u91cd\u4f20\u540e\u4e5f\u4f1a\u5173\u95ed\u8fde\u63a5\u3002\u8fd9\u79cd\u60c5\u51b5\u867d\u7136\u4e5f\u8ba9\u670d\u52a1\u5668\u7ef4\u6301\u4e86\u95f2\u7f6e\u7684\u8fde\u63a5\uff0c\u4f46\u6bd5\u7adf\u662f\u5c11\u6570\uff0c\u5f15\u5165TIME_WAIT\u72b6\u6001\u5c31\u662f\u4e89\u53d6\u8ba9\u4e3b\u52a8\u53d1\u8d77\u56db\u6b21\u6325\u624b\u7684\u5ba2\u6237\u7aef\u7ef4\u62a4\u8fd9\u4e2a\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64TCP\u5e76\u4e0d\u80fd\u5b8c\u5168\u4fdd\u8bc1\u5efa\u7acb\u8fde\u63a5\u548c\u65ad\u5f00\u8fde\u63a5\u7684\u53ef\u9760\u6027\uff0cTCP\u4fdd\u8bc1\u7684\u662f\u5efa\u7acb\u8fde\u63a5\u4e4b\u540e\uff0c\u4ee5\u53ca\u65ad\u5f00\u8fde\u63a5\u4e4b\u524d\u53cc\u65b9\u901a\u4fe1\u6570\u636e\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TIME_WAIT\u7684\u7b49\u5f85\u65f6\u957f\u662f\u591a\u5c11\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>TIME_WAIT\u7684\u7b49\u5f85\u65f6\u957f\u65e2\u4e0d\u80fd\u592a\u957f\u4e5f\u4e0d\u80fd\u592a\u77ed\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u592a\u957f\u4f1a\u8ba9\u7b49\u5f85\u65b9\u7ef4\u6301\u4e00\u4e2a\u8f83\u957f\u7684\u65f6\u95f4\u7684TIME_WAIT\u72b6\u6001\uff0c\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u7b49\u5f85\u65b9\u4e5f\u9700\u8981\u82b1\u8d39\u6210\u672c\u6765\u7ef4\u62a4\u8fd9\u4e2a\u8fde\u63a5\uff0c\u8fd9\u4e5f\u662f\u4e00\u79cd\u6d6a\u8d39\u8d44\u6e90\u7684\u73b0\u8c61\u3002<\/li>\n\n\n\n<li>\u592a\u77ed\u53ef\u80fd\u6ca1\u6709\u8fbe\u5230\u6211\u4eec\u6700\u521d\u76ee\u7684\uff0c\u6ca1\u6709\u4fdd\u8bc1ACK\u88ab\u5bf9\u65b9\u8f83\u5927\u6982\u7387\u6536\u5230\uff0c\u4e5f\u6ca1\u6709\u4fdd\u8bc1\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u6d88\u6563\uff0c\u6b64\u65f6TIME_WAIT\u7684\u610f\u4e49\u4e5f\u5c31\u6ca1\u6709\u4e86<\/li>\n<\/ul>\n\n\n\n<p>TCP\u534f\u8bae\u89c4\u5b9a\uff0c\u4e3b\u52a8\u5173\u95ed\u8fde\u63a5\u7684\u4e00\u65b9\u5728\u56db\u6b21\u6325\u624b\u540e\u8981\u5904\u4e8eTIME_WAIT\u72b6\u6001\uff0c\u7b49\u5f85\u4e24\u4e2aMSL\uff08Maximum Segment Lifetime\uff0c\u62a5\u6587\u6700\u5927\u751f\u5b58\u65f6\u95f4\uff09\u7684\u65f6\u95f4\u624d\u80fd\u8fdb\u5165CLOSED\u72b6\u6001\u3002<\/p>\n\n\n\n<p>MSL\u5728RFC1122\u4e2d\u89c4\u5b9a\u4e3a\u4e24\u5206\u949f\uff0c\u4f46\u662f\u5404\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b9e\u73b0\u4e0d\u540c\uff0c\u6bd4\u5982\u5728Centos7\u4e0a\u9ed8\u8ba4\u914d\u7f6e\u7684\u503c\u662f60s\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>cat \/proc\/sys\/net\/ipv4\/tcp_fin_timeout<\/code>\u547d\u4ee4\u6765\u67e5\u770bMSL\u7684\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/766a1df9f40d495eb96154acc3d69c26.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/766a1df9f40d495eb96154acc3d69c26.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>TIME_WAIT\u7684\u7b49\u5f85\u65f6\u5e38\u8bbe\u7f6e\u4e3a\u4e24\u4e2aMSL\u7684\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MSL\u662fTCP\u62a5\u6587\u7684\u6700\u5927\u751f\u5b58\u65f6\u95f4\uff0c\u56e0\u6b64TIME_WAIT\u72b6\u6001\u6301\u7eed\u5b58\u57282MSL\u7684\u8bdd\uff0c\u5c31\u80fd\u4fdd\u8bc1\u5728\u4e24\u4e2a\u4f20\u8f93\u65b9\u5411\u4e0a\u7684\u5c1a\u672a\u88ab\u63a5\u6536\u6216\u8fdf\u5230\u7684\u62a5\u6587\u6bb5\u90fd\u5df2\u7ecf\u6d88\u5931\u3002<\/li>\n\n\n\n<li>\u540c\u65f6\u4e5f\u662f\u5728\u7406\u8bba\u4e0a\u4fdd\u8bc1\u6700\u540e\u4e00\u4e2a\u62a5\u6587\u53ef\u9760\u5230\u8fbe\u7684\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d41\u91cf\u63a7\u5236<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TCP\u652f\u6301\u6839\u636e\u63a5\u6536\u7aef\u7684\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u6765\u51b3\u5b9a\u53d1\u9001\u7aef\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\uff0c\u8fd9\u4e2a\u673a\u5236\u53eb\u505a\u6d41\u91cf\u63a7\u5236\uff08Flow Control\uff09\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u63a5\u6536\u7aef\u5904\u7406\u6570\u636e\u7684\u901f\u5ea6\u662f\u6709\u9650\u7684\uff0c\u5982\u679c\u53d1\u9001\u7aef\u53d1\u7684\u592a\u5feb\uff0c\u5bfc\u81f4\u63a5\u6536\u7aef\u7684\u7f13\u51b2\u533a\u88ab\u6253\u6ee1\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u7ee7\u7eed\u53d1\u9001\u6570\u636e\uff0c\u5c31\u4f1a\u9020\u6210\u4e22\u5305\uff0c\u8fdb\u800c\u5f15\u8d77\u4e22\u5305\u91cd\u4f20\u7b49\u4e00\u7cfb\u5217\u8fde\u9501\u53cd\u5e94\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u63a5\u6536\u7aef\u53ef\u4ee5\u5c06\u81ea\u5df1\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u544a\u77e5\u53d1\u9001\u7aef\uff0c\u8ba9\u53d1\u9001\u7aef\u63a7\u5236\u81ea\u5df1\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u6536\u7aef\u5c06\u81ea\u5df1\u53ef\u4ee5\u63a5\u6536\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u653e\u5165TCP\u9996\u90e8\u4e2d\u7684\u201c\u7a97\u53e3\u5927\u5c0f\u201d\u5b57\u6bb5\uff0c\u901a\u8fc7ACK\u901a\u77e5\u53d1\u9001\u7aef\u3002<\/li>\n\n\n\n<li>\u7a97\u53e3\u5927\u5c0f\u5b57\u6bb5\u8d8a\u5927\uff0c\u8bf4\u660e\u7f51\u7edc\u7684\u541e\u5410\u91cf\u8d8a\u9ad8\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u7aef\u4e00\u65e6\u53d1\u73b0\u81ea\u5df1\u7684\u7f13\u51b2\u533a\u5feb\u6ee1\u4e86\uff0c\u5c31\u4f1a\u5c06\u7a97\u53e3\u5927\u5c0f\u8bbe\u7f6e\u6210\u4e00\u4e2a\u66f4\u5c0f\u7684\u503c\u901a\u77e5\u7ed9\u53d1\u9001\u7aef\u3002<\/li>\n\n\n\n<li>\u53d1\u9001\u7aef\u63a5\u6536\u5230\u8fd9\u4e2a\u7a97\u53e3\u4e4b\u540e\uff0c\u5c31\u4f1a\u51cf\u6162\u81ea\u5df1\u53d1\u9001\u7684\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u63a5\u6536\u7aef\u7f13\u51b2\u533a\u6ee1\u4e86\uff0c\u5c31\u4f1a\u5c06\u7a97\u53e3\u503c\u8bbe\u7f6e\u4e3a0\uff0c\u8fd9\u65f6\u53d1\u9001\u65b9\u4e0d\u518d\u53d1\u9001\u6570\u636e\uff0c\u4f46\u9700\u8981\u5b9a\u671f\u53d1\u9001\u4e00\u4e2a\u7a97\u53e3\u63a2\u6d4b\u6570\u636e\u6bb5\uff0c\u4f7f\u63a5\u6536\u7aef\u628a\u7a97\u53e3\u5927\u5c0f\u544a\u8bc9\u53d1\u9001\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u53d1\u9001\u7aef\u5f97\u77e5\u63a5\u6536\u7aef\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u4e3a0\u65f6\u4f1a\u505c\u6b62\u53d1\u9001\u6570\u636e\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6765\u5f97\u77e5\u4f55\u65f6\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b49\u5f85\u544a\u77e5\u3002\u63a5\u6536\u7aef\u4e0a\u5c42\u5c06\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u8bfb\u8d70\u540e\uff0c\u63a5\u6536\u7aef\u5411\u53d1\u9001\u7aef\u53d1\u9001\u4e00\u4e2aTCP\u62a5\u6587\uff0c\u4e3b\u52a8\u5c06\u81ea\u5df1\u7684\u7a97\u53e3\u5927\u5c0f\u544a\u77e5\u53d1\u9001\u7aef\uff0c\u53d1\u9001\u7aef\u5f97\u77e5\u63a5\u6536\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u6709\u7a7a\u95f4\u540e\u5c31\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u4e86\u3002<\/li>\n\n\n\n<li>\u4e3b\u52a8\u8be2\u95ee\u3002\u53d1\u9001\u7aef\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5411\u63a5\u6536\u7aef\u53d1\u9001\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u4e0d\u643a\u5e26\u6709\u6548\u6570\u636e\uff0c\u53ea\u662f\u4e3a\u4e86\u8be2\u95ee\u53d1\u9001\u7aef\u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u76f4\u5230\u63a5\u6536\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u6709\u7a7a\u95f4\u540e\u53d1\u9001\u7aef\u5c31\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u6570\u636e\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>16\u4e3a\u6570\u5b57\u6700\u5927\u8868\u793a65535\uff0c\u90a3TCP\u7a97\u53e3\u6700\u5927\u5c31\u662f65535\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u7406\u8bba\u4e0a\u786e\u5b9e\u662f\u8fd9\u6837\u7684\uff0c\u4f46\u5b9e\u9645\u4e0aTCP\u62a5\u5934\u5f53\u4e2d40\u5b57\u8282\u7684\u9009\u9879\u5b57\u6bb5\u4e2d\u5305\u542b\u4e86\u4e00\u4e2a\u7a97\u53e3\u6269\u5927\u56e0\u5b50M\uff0c\u5b9e\u9645\u7a97\u53e3\u5927\u5c0f\u662f\u7a97\u53e3\u5b57\u6bb5\u7684\u503c\u5de6\u79fbM\u4f4d\u5f97\u5230\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow 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class=\"wp-block-heading\">\u6ed1\u52a8\u7a97\u53e3<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8fde\u7eed\u53d1\u9001\u591a\u4e2a\u6570\u636e<\/p>\n<\/blockquote>\n\n\n\n<p>\u53cc\u65b9\u5728\u8fdb\u884cTCP\u901a\u4fe1\u65f6\u53ef\u4ee5\u4e00\u6b21\u5411\u5bf9\u65b9\u53d1\u9001\u591a\u6761\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u5c06\u7b49\u5f85\u591a\u4e2a\u54cd\u5e94\u7684\u65f6\u95f4\u91cd\u53e0\u8d77\u6765\uff0c\u8fdb\u800c\u63d0\u9ad8\u6570\u636e\u901a\u4fe1\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/6a8c070ad0bd49b180eef8213e26cd01.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/6a8c070ad0bd49b180eef8213e26cd01.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u53cc\u65b9\u5728\u8fdb\u884cTCP\u901a\u4fe1\u65f6\u53ef\u4ee5\u4e00\u6b21\u5411\u5bf9\u65b9\u53d1\u9001\u5927\u91cf\u7684\u62a5\u6587\uff0c\u4f46\u4e0d\u80fd\u5c06\u81ea\u5df1\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u5168\u90e8\u6253\u5305\u53d1\u9001\u7ed9\u5bf9\u7aef\uff0c\u5728\u53d1\u9001\u6570\u636e\u65f6\u8fd8\u8981\u8003\u8651\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6ed1\u52a8\u7a97\u53e3<\/p>\n<\/blockquote>\n\n\n\n<p>\u53d1\u9001\u65b9\u53ef\u4ee5\u4e00\u6b21\u53d1\u9001\u591a\u4e2a\u62a5\u6587\u7ed9\u5bf9\u65b9\uff0c\u6b64\u65f6\u4e5f\u5c31\u610f\u5473\u7740\u53d1\u9001\u51fa\u53bb\u7684\u8fd9\u90e8\u5206\u62a5\u6587\u5f53\u4e2d\u6709\u76f8\u5f53\u4e00\u90e8\u5206\u6570\u636e\u662f\u6682\u65f6\u6ca1\u6709\u6536\u5230\u5e94\u7b54\u7684\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\u53ef\u4ee5\u5c06\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u6570\u636e\u5206\u4e3a\u4e09\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5df2\u7ecf\u53d1\u9001\u5e76\u4e14\u5df2\u7ecf\u6536\u5230ACK\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u5df2\u7ecf\u53d1\u9001\u8fd8\u4f46\u6ca1\u6709\u6536\u5230ACK\u7684\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u8fd8\u6ca1\u6709\u53d1\u9001\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u91cc\u53d1\u9001\u7f13\u51b2\u533a\u7684\u7b2c\u4e8c\u90e8\u5206\u5c31\u53eb\u505a\u6ed1\u52a8\u7a97\u53e3\u3002\uff08\u4e5f\u6709\u4eba\u628a\u8fd9\u4e09\u90e8\u5206\u6574\u4f53\u79f0\u4e4b\u4e3a\u6ed1\u52a8\u7a97\u53e3\uff0c\u800c\u5c06\u5176\u4e2d\u7684\u7b2c\u4e8c\u90e8\u5206\u79f0\u4e4b\u4e3a\u7a97\u53e3\u5927\u5c0f\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/7d29c1931ffd41a7910d289e9b1b6a4a.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/7d29c1931ffd41a7910d289e9b1b6a4a.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u6ed1\u52a8\u7a97\u53e3\u63cf\u8ff0\u7684\u5c31\u662f\uff0c\u53d1\u9001\u65b9\u4e0d\u7528\u7b49\u5f85ACK\u4e00\u6b21\u6240\u80fd\u53d1\u9001\u7684\u6570\u636e\u6700\u5927\u91cf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/258d8d20ab1547a0888aaebbe85adad2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/258d8d20ab1547a0888aaebbe85adad2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6ed1\u52a8\u7a97\u53e3\u5b58\u5728\u7684\u6700\u5927\u610f\u4e49\u5c31\u662f\u53ef\u4ee5\u63d0\u9ad8\u53d1\u9001\u6570\u636e\u7684\u6548\u7387\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5c0f\u7b49\u4e8e\u5bf9\u65b9\u7a97\u53e3\u5927\u5c0f\u4e0e\u81ea\u8eab\u62e5\u585e\u7a97\u53e3\u5927\u5c0f\u7684\u8f83\u5c0f\u503c\uff0c\u56e0\u4e3a\u53d1\u9001\u6570\u636e\u65f6\u4e0d\u4ec5\u8981\u8003\u8651\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\uff0c\u8fd8\u8981\u8003\u8651\u5f53\u524d\u7f51\u7edc\u7684\u72b6\u51b5\u3002<\/li>\n\n\n\n<li>\u6211\u4eec\u8fd9\u91cc\u5148\u4e0d\u8003\u8651\u62e5\u585e\u7a97\u53e3\uff0c\u5e76\u4e14\u5047\u8bbe\u5bf9\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\u4e00\u76f4\u56fa\u5b9a\u4e3a4000\uff0c\u6b64\u65f6\u53d1\u9001\u65b9\u4e0d\u7528\u7b49\u5f85ACK\u4e00\u6b21\u6240\u80fd\u53d1\u9001\u7684\u6570\u636e\u5c31\u662f4000\u5b57\u8282\uff0c\u56e0\u6b64\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5c0f\u5c31\u662f4000\u5b57\u8282\u3002\uff08\u56db\u4e2a\u6bb5\uff09<\/li>\n\n\n\n<li>\u73b0\u5728\u8fde\u7eed\u53d1\u90011001-2000\u30012001-3000\u30013001-4000\u30014001-5000\u8fd9\u56db\u4e2a\u6bb5\u7684\u65f6\u5019\uff0c\u4e0d\u9700\u8981\u7b49\u5f85\u4efb\u4f55ACK\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n\n\n\n<li>\u5f53\u6536\u5230\u5bf9\u65b9\u54cd\u5e94\u7684\u786e\u8ba4\u5e8f\u53f7\u4e3a2001\u65f6\uff0c\u8bf4\u660e1001-2000\u8fd9\u4e2a\u6570\u636e\u6bb5\u5df2\u7ecf\u88ab\u5bf9\u65b9\u6536\u5230\u4e86\uff0c\u6b64\u65f6\u8be5\u6570\u636e\u6bb5\u5e94\u8be5\u88ab\u7eb3\u5165\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d\u7684\u7b2c\u4e00\u90e8\u5206\uff0c\u800c\u7531\u4e8e\u6211\u4eec\u5047\u8bbe\u5bf9\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\u4e00\u76f4\u662f4000\uff0c\u56e0\u6b64\u6ed1\u52a8\u7a97\u53e3\u73b0\u5728\u53ef\u4ee5\u5411\u53f3\u79fb\u52a8\uff0c\u7ee7\u7eed\u53d1\u90015001-6000\u7684\u6570\u636e\u6bb5\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/li>\n\n\n\n<li>\u6ed1\u52a8\u7a97\u53e3\u8d8a\u5927\uff0c\u5219\u7f51\u7edc\u7684\u541e\u5410\u7387\u8d8a\u9ad8\uff0c\u540c\u65f6\u4e5f\u8bf4\u660e\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\u5f88\u5f3a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u53d1\u9001\u65b9\u53d1\u9001\u51fa\u53bb\u7684\u6570\u636e\u6bb5\u9646\u9646\u7eed\u7eed\u6536\u5230\u5bf9\u5e94\u7684ACK\u65f6\uff0c\u5c31\u53ef\u4ee5\u5c06\u6536\u5230ACK\u7684\u6570\u636e\u6bb5\u5f52\u7f6e\u5230\u6ed1\u52a8\u7a97\u53e3\u7684\u5de6\u4fa7\uff0c\u5e76\u6839\u636e\u5f53\u524d\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5c0f\u6765\u51b3\u5b9a\uff0c\u662f\u5426\u9700\u8981\u5c06\u6ed1\u52a8\u7a97\u53e3\u53f3\u4fa7\u7684\u6570\u636e\u5f52\u7f6e\u5230\u6ed1\u52a8\u7a97\u53e3\u5f53\u4e2d\u3002<\/p>\n\n\n\n<p>TCP\u7684\u91cd\u4f20\u673a\u5236\u8981\u6c42\u6682\u65f6\u4fdd\u5b58\u53d1\u51fa\u4f46\u672a\u6536\u5230\u786e\u8ba4\u7684\u6570\u636e\uff0c\u800c\u8fd9\u90e8\u5206\u6570\u636e\u5b9e\u9645\u5c31\u4f4d\u4e8e\u6ed1\u52a8\u7a97\u53e3\u5f53\u4e2d\uff0c\u53ea\u6709\u6ed1\u52a8\u7a97\u53e3\u5de6\u4fa7\u7684\u6570\u636e\u624d\u662f\u53ef\u4ee5\u88ab\u8986\u76d6\u6216\u5220\u9664\u7684\uff0c\u56e0\u4e3a\u8fd9\u90e8\u5206\u6570\u636e\u624d\u662f\u53d1\u9001\u5e76\u88ab\u5bf9\u65b9\u53ef\u9760\u7684\u6536\u5230\u4e86\uff0c\u6240\u4ee5\u6ed1\u52a8\u7a97\u53e3\u9664\u4e86\u9650\u5b9a\u4e0d\u6536\u5230ACK\u800c\u53ef\u4ee5\u76f4\u63a5\u53d1\u9001\u7684\u6570\u636e\u4e4b\u5916\uff0c\u6ed1\u52a8\u7a97\u53e3\u4e5f\u53ef\u4ee5\u652f\u6301TCP\u7684\u91cd\u4f20\u673a\u5236\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6ed1\u52a8\u7a97\u53e3\u4e00\u5b9a\u4f1a\u6574\u4f53\u53f3\u79fb\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u6ed1\u52a8\u7a97\u53e3\u4e0d\u4e00\u5b9a\u4f1a\u6574\u4f53\u53f3\u79fb\u7684\uff0c\u4ee5\u521a\u624d\u7684\u4f8b\u5b50\u4e3a\u4f8b\uff0c\u5047\u8bbe\u5bf9\u65b9\u5df2\u7ecf\u6536\u5230\u4e861001-2000\u7684\u6570\u636e\u6bb5\u5e76\u8fdb\u884c\u4e86\u54cd\u5e94\uff0c\u4f46\u5bf9\u65b9\u4e0a\u5c42\u4e00\u76f4\u4e0d\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u5f53\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u6b64\u65f6\u5f53\u5bf9\u65b9\u6536\u52301001-2000\u7684\u6570\u636e\u6bb5\u65f6\uff0c\u5bf9\u65b9\u7684\u7a97\u53e3\u5927\u5c0f\u5c31\u75314000\u53d8\u4e3a\u4e863000\u3002<\/p>\n\n\n\n<p>\u5f53\u53d1\u9001\u7aef\u6536\u5230\u5bf9\u65b9\u7684\u54cd\u5e94\u5e8f\u53f7\u4e3a2001\u65f6\uff0c\u5c31\u4f1a\u5c061001-2000\u7684\u6570\u636e\u6bb5\u5f52\u7f6e\u5230\u6ed1\u52a8\u7a97\u53e3\u7684\u5de6\u4fa7\uff0c\u4f46\u6b64\u65f6\u7531\u4e8e\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\u53d8\u4e3a\u4e863000\uff0c\u800c\u5f531001-2000\u7684\u6570\u636e\u6bb5\u5f52\u7f6e\u5230\u6ed1\u52a8\u7a97\u53e3\u7684\u5de6\u4fa7\u540e\uff0c\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5c0f\u521a\u597d\u5c31\u662f3000\uff0c\u56e0\u6b64\u6ed1\u52a8\u7a97\u53e3\u7684\u53f3\u4fa7\u4e0d\u80fd\u7ee7\u7eed\u5411\u53f3\u8fdb\u884c\u6269\u5c55\u3002<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/a311ef5811d64e96ab95a499b08b1d84.png\" alt=\"img\"><\/p>\n\n\n\n<p>\u56e0\u6b64\u6ed1\u52a8\u7a97\u53e3\u5728\u5411\u53f3\u79fb\u52a8\u7684\u8fc7\u7a0b\u4e2d\u5e76\u4e0d\u4e00\u5b9a\u662f\u6574\u4f53\u53f3\u79fb\u7684\uff0c\u56e0\u4e3a\u5bf9\u65b9\u63a5\u6536\u80fd\u529b\u53ef\u80fd\u4e0d\u65ad\u5728\u53d8\u5316\uff0c\u4ece\u800c\u6ed1\u52a8\u7a97\u53e3\u4e5f\u4f1a\u968f\u4e4b\u4e0d\u65ad\u53d8\u5bbd\u6216\u8005\u53d8\u7a84\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5982\u4f55\u5b9e\u73b0\u6ed1\u52a8\u7a97\u53e3<\/p>\n<\/blockquote>\n\n\n\n<p>TCP\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u90fd\u770b\u4f5c\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff0c\u800c\u6ed1\u52a8\u7a97\u53e3\u5b9e\u9645\u5c31\u53ef\u4ee5\u770b\u4f5c\u662f\u4e24\u4e2a\u6307\u9488\u9650\u5b9a\u7684\u4e00\u4e2a\u8303\u56f4\uff0c\u6bd4\u5982\u6211\u4eec\u7528start\u6307\u5411\u6ed1\u52a8\u7a97\u53e3\u7684\u5de6\u4fa7\uff0cend\u6307\u5411\u7684\u662f\u6ed1\u52a8\u7a97\u53e3\u7684\u53f3\u4fa7\uff0c\u6b64\u65f6\u5728start\u548cend\u533a\u95f4\u8303\u56f4\u5185\u7684\u5c31\u53ef\u4ee5\u53eb\u505a\u6ed1\u52a8\u7a97\u53e3\u3002<\/p>\n\n\n\n<p>\u5f53\u53d1\u9001\u7aef\u6536\u5230\u5bf9\u65b9\u7684\u54cd\u5e94\u65f6\uff0c\u5982\u679c\u54cd\u5e94\u5f53\u4e2d\u7684\u786e\u8ba4\u5e8f\u53f7\u4e3ax\uff0c\u7a97\u53e3\u5927\u5c0f\u4e3awin\uff0c\u6b64\u65f6\u5c31\u53ef\u4ee5\u5c06start\u66f4\u65b0\u4e3ax\uff0c\u800c\u5c06end\u66f4\u65b0\u4e3astart+win\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/3df481c805274e5da3a4bce6b25b0298.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/3df481c805274e5da3a4bce6b25b0298.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e22\u5305\u95ee\u9898<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53\u53d1\u9001\u7aef\u4e00\u6b21\u53d1\u9001\u591a\u4e2a\u62a5\u6587\u6570\u636e\u65f6\uff0c\u6b64\u65f6\u7684\u4e22\u5305\u60c5\u51b5\u4e5f\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u3002<\/p>\n\n\n\n<p><strong>\u60c5\u51b5\u4e00\uff1a<\/strong> \u6570\u636e\u5305\u5df2\u7ecf\u62b5\u8fbe\uff0cACK\u4e22\u5305\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/bd62d554744c49788fe163218d9cec4b.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/bd62d554744c49788fe163218d9cec4b.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u53d1\u9001\u7aef\u8fde\u7eed\u53d1\u9001\u591a\u4e2a\u62a5\u6587\u6570\u636e\u65f6\uff0c\u90e8\u5206ACK\u4e22\u5305\u5e76\u4e0d\u8981\u7d27\uff0c\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7\u540e\u7eed\u7684ACK\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u56fe\u4e2d2001-3000\u548c4001-5000\u7684\u6570\u636e\u5305\u5bf9\u5e94\u7684ACK\u4e22\u5931\u4e86\uff0c\u4f46\u53ea\u8981\u53d1\u9001\u7aef\u6536\u5230\u4e86\u6700\u540e5001-6000\u6570\u636e\u5305\u7684\u54cd\u5e94\uff0c\u6b64\u65f6\u53d1\u9001\u7aef\u4e5f\u5c31\u77e5\u90532001-3000\u548c4001-5000\u7684\u6570\u636e\u5305\u5b9e\u9645\u4e0a\u88ab\u63a5\u6536\u7aef\u6536\u5230\u4e86\u7684\uff0c\u56e0\u4e3a\u5982\u679c\u63a5\u6536\u65b9\u6ca1\u6709\u6536\u52302001-3000\u548c4001-5000\u7684\u6570\u636e\u5305\u662f\u4e0d\u4f1a\u8bbe\u7f6e\u786e\u8ba4\u5e8f\u53f7\u4e3a6001\u7684\uff0c\u786e\u8ba4\u5e8f\u53f7\u4e3a6001\u7684\u542b\u4e49\u5c31\u662f\u5e8f\u53f7\u4e3a1-6000\u7684\u5b57\u8282\u6570\u636e\u6211\u90fd\u6536\u5230\u4e86\uff0c\u4f60\u4e0b\u4e00\u6b21\u5e94\u8be5\u4ece\u5e8f\u53f7\u4e3a6001\u7684\u5b57\u8282\u6570\u636e\u5f00\u59cb\u53d1\u9001\u3002<\/p>\n\n\n\n<p><strong>\u60c5\u51b5\u4e8c\uff1a<\/strong> \u6570\u636e\u5305\u4e22\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/2e633b3e60ec402297388ff6be0fb660.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/2e633b3e60ec402297388ff6be0fb660.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f531001-2000\u7684\u6570\u636e\u5305\u4e22\u5931\u540e\uff0c\u53d1\u9001\u7aef\u4f1a\u4e00\u76f4\u6536\u5230\u786e\u8ba4\u5e8f\u53f7\u4e3a1001\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u5c31\u662f\u5728\u63d0\u9192\u53d1\u9001\u7aef\u201c\u4e0b\u4e00\u6b21\u5e94\u8be5\u4ece\u5e8f\u53f7\u4e3a1001\u7684\u5b57\u8282\u6570\u636e\u5f00\u59cb\u53d1\u9001\u201d\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u53d1\u9001\u7aef\u8fde\u7eed\u6536\u5230\u4e09\u6b21\u786e\u8ba4\u5e8f\u53f7\u4e3a1001\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u6b64\u65f6\u5c31\u4f1a\u5c061001-2000\u7684\u6570\u636e\u5305\u91cd\u65b0\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\u5f53\u63a5\u6536\u7aef\u6536\u52301001-2000\u7684\u6570\u636e\u5305\u540e\uff0c\u5c31\u4f1a\u76f4\u63a5\u53d1\u9001\u786e\u8ba4\u5e8f\u53f7\u4e3a6001\u7684\u54cd\u5e94\u62a5\u6587\uff0c\u56e0\u4e3a2001-6000\u7684\u6570\u636e\u63a5\u6536\u7aef\u5176\u5b9e\u5728\u4e4b\u524d\u5c31\u5df2\u7ecf\u6536\u5230\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u79cd\u673a\u5236\u88ab\u79f0\u4e3a\u201c\u9ad8\u901f\u91cd\u53d1\u63a7\u5236\u201d\uff0c\u4e5f\u53eb\u505a\u201c\u5feb\u91cd\u4f20\u201d\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5feb\u91cd\u4f20\u9700\u8981\u5728\u5927\u91cf\u7684\u6570\u636e\u91cd\u4f20\u548c\u4e2a\u522b\u7684\u6570\u636e\u91cd\u4f20\u4e4b\u95f4\u505a\u5e73\u8861\uff0c\u5b9e\u9645\u8fd9\u4e2a\u4f8b\u5b50\u5f53\u4e2d\u53d1\u9001\u7aef\u5e76\u4e0d\u77e5\u9053\u662f1001-2000\u8fd9\u4e2a\u6570\u636e\u5305\u4e22\u4e86\uff0c\u5f53\u53d1\u9001\u7aef\u91cd\u590d\u6536\u5230\u786e\u8ba4\u5e8f\u53f7\u4e3a1001\u7684\u54cd\u5e94\u62a5\u6587\u65f6\uff0c\u7406\u8bba\u4e0a\u53d1\u9001\u7aef\u5e94\u8be5\u5c061001-7000\u7684\u6570\u636e\u5168\u90e8\u8fdb\u884c\u91cd\u4f20\uff0c\u4f46\u8fd9\u6837\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5927\u91cf\u6570\u636e\u88ab\u91cd\u590d\u4f20\u9001\uff0c\u6240\u4ee5\u53d1\u9001\u7aef\u53ef\u4ee5\u5c1d\u8bd5\u5148\u628a1001-2000\u7684\u6570\u636e\u5305\u8fdb\u884c\u91cd\u53d1\uff0c\u7136\u540e\u6839\u636e\u91cd\u53d1\u540e\u7684\u5f97\u5230\u7684\u786e\u8ba4\u5e8f\u53f7\u7ee7\u7eed\u51b3\u5b9a\u662f\u5426\u9700\u8981\u91cd\u53d1\u5176\u5b83\u6570\u636e\u5305\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6ed1\u52a8\u7a97\u53e3\u4e2d\u7684\u6570\u636e\u4e00\u5b9a\u90fd\u6ca1\u6709\u88ab\u5bf9\u65b9\u6536\u5230\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u6ed1\u52a8\u7a97\u53e3\u5f53\u4e2d\u7684\u6570\u636e\u662f\u53ef\u4ee5\u6682\u65f6\u4e0d\u7528\u6536\u5230\u5bf9\u65b9\u786e\u8ba4\u7684\u6570\u636e\uff0c\u800c\u4e0d\u662f\u8bf4\u6ed1\u52a8\u7a97\u53e3\u5f53\u4e2d\u7684\u6570\u636e\u4e00\u5b9a\u90fd\u6ca1\u6709\u88ab\u5bf9\u65b9\u6536\u5230\uff0c\u6ed1\u52a8\u7a97\u53e3\u5f53\u4e2d\u53ef\u80fd\u6709\u4e00\u90e8\u5206\u6570\u636e\u5df2\u7ecf\u88ab\u5bf9\u65b9\u6536\u5230\u4e86\uff0c\u4f46\u53ef\u80fd\u56e0\u4e3a\u6ed1\u52a8\u7a97\u53e3\u5185\u9760\u8fd1\u6ed1\u52a8\u7a97\u53e3\u5de6\u4fa7\u7684\u4e00\u90e8\u5206\u6570\u636e\uff0c\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u4e86\u4e22\u5305\u7b49\u60c5\u51b5\uff0c\u5bfc\u81f4\u540e\u9762\u5df2\u7ecf\u88ab\u5bf9\u65b9\u6536\u5230\u7684\u6570\u636e\u5f97\u4e0d\u5230\u54cd\u5e94\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\u56fe\u4e2d\u76841001-2000\u7684\u6570\u636e\u5305\u5982\u679c\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e22\u5305\u4e86\uff0c\u6b64\u65f6\u867d\u71362001-5000\u7684\u6570\u636e\u90fd\u88ab\u5bf9\u65b9\u6536\u5230\u4e86\uff0c\u6b64\u65f6\u5bf9\u65b9\u53d1\u6765\u7684\u786e\u8ba4\u5e8f\u53f7\u4e5f\u53ea\u80fd\u662f1001\uff0c\u5f53\u53d1\u9001\u7aef\u8865\u53d1\u4e861001-2000\u7684\u6570\u636e\u5305\u540e\uff0c\u5bf9\u65b9\u53d1\u6765\u7684\u786e\u8ba4\u5e8f\u53f7\u5c31\u4f1a\u53d8\u4e3a5001\uff0c\u6b64\u65f6\u53d1\u9001\u7f13\u51b2\u533a\u5f53\u4e2d1001-5000\u7684\u6570\u636e\u4e5f\u4f1a\u7acb\u9a6c\u88ab\u5f52\u7f6e\u5230\u6ed1\u52a8\u7a97\u53e3\u7684\u5de6\u4fa7\u3002<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/bd54d8fe6d2541b18e0ebe5f802ad91d.png\" alt=\"img\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5feb\u91cd\u4f20 VS \u8d85\u65f6\u91cd\u4f20<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5feb\u91cd\u4f20\u662f\u80fd\u591f\u5feb\u901f\u8fdb\u884c\u6570\u636e\u7684\u91cd\u53d1\uff0c\u5f53\u53d1\u9001\u7aef\u8fde\u7eed\u6536\u5230\u4e09\u6b21\u76f8\u540c\u7684\u5e94\u7b54\u65f6\u5c31\u4f1a\u89e6\u53d1\u5feb\u91cd\u4f20\uff0c\u800c\u4e0d\u50cf\u8d85\u65f6\u91cd\u4f20\u4e00\u6837\u9700\u8981\u901a\u8fc7\u8bbe\u7f6e\u91cd\u4f20\u5b9a\u65f6\u5668\uff0c\u5728\u56fa\u5b9a\u7684\u65f6\u95f4\u540e\u624d\u4f1a\u8fdb\u884c\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u867d\u7136\u5feb\u91cd\u4f20\u80fd\u591f\u5feb\u901f\u5224\u5b9a\u6570\u636e\u5305\u4e22\u5931\uff0c\u4f46\u5feb\u91cd\u4f20\u5e76\u4e0d\u80fd\u5b8c\u5168\u53d6\u5f85\u8d85\u65f6\u91cd\u4f20\uff0c\u56e0\u4e3a\u6709\u65f6\u6570\u636e\u5305\u4e22\u5931\u540e\u53ef\u80fd\u5e76\u6ca1\u6709\u6536\u5230\u5bf9\u65b9\u4e09\u6b21\u91cd\u590d\u7684\u5e94\u7b54\uff0c\u6b64\u65f6\u5feb\u91cd\u4f20\u673a\u5236\u5c31\u89e6\u53d1\u4e0d\u4e86\uff0c\u800c\u53ea\u80fd\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20\u3002<\/li>\n\n\n\n<li>\u56e0\u6b64\u5feb\u91cd\u4f20\u867d\u7136\u662f\u4e00\u4e2a\u6548\u7387\u4e0a\u7684\u63d0\u5347\uff0c\u4f46\u8d85\u65f6\u91cd\u4f20\u5374\u662f\u6240\u6709\u91cd\u4f20\u673a\u5236\u7684\u4fdd\u5e95\u7b56\u7565\uff0c\u4e5f\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u62e5\u585e\u63a7\u5236<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u6709\u62e5\u585e\u63a7\u5236\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e24\u4e2a\u4e3b\u673a\u5728\u8fdb\u884cTCP\u901a\u4fe1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u51fa\u73b0\u4e2a\u522b\u6570\u636e\u5305\u4e22\u5305\u7684\u60c5\u51b5\u662f\u5f88\u6b63\u5e38\u7684\uff0c\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7\u5feb\u91cd\u4f20\u6216\u8d85\u65f6\u91cd\u53d1\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u8865\u53d1\u3002\u4f46\u5982\u679c\u53cc\u65b9\u5728\u901a\u4fe1\u65f6\u51fa\u73b0\u4e86\u5927\u91cf\u4e22\u5305\uff0c\u6b64\u65f6\u5c31\u4e0d\u80fd\u8ba4\u4e3a\u662f\u6b63\u5e38\u73b0\u8c61\u4e86\u3002<\/p>\n\n\n\n<p>TCP\u4e0d\u4ec5\u8003\u8651\u4e86\u901a\u4fe1\u53cc\u7aef\u4e3b\u673a\u7684\u95ee\u9898\uff0c\u540c\u65f6\u4e5f\u8003\u8651\u4e86\u7f51\u7edc\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d41\u91cf\u63a7\u5236\uff1a\u8003\u8651\u7684\u662f\u5bf9\u7aef\u63a5\u6536\u7f13\u51b2\u533a\u7684\u63a5\u6536\u80fd\u529b\uff0c\u8fdb\u800c\u63a7\u5236\u53d1\u9001\u65b9\u53d1\u9001\u6570\u636e\u7684\u901f\u5ea6\uff0c\u907f\u514d\u5bf9\u7aef\u63a5\u6536\u7f13\u51b2\u533a\u6ea2\u51fa\u3002<\/li>\n\n\n\n<li>\u6ed1\u52a8\u7a97\u53e3\uff1a\u8003\u8651\u7684\u662f\u53d1\u9001\u7aef\u4e0d\u7528\u7b49\u5f85ACK\u4e00\u6b21\u6240\u80fd\u53d1\u9001\u7684\u6570\u636e\u6700\u5927\u91cf\uff0c\u8fdb\u800c\u63d0\u9ad8\u53d1\u9001\u7aef\u53d1\u9001\u6570\u636e\u7684\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u62e5\u585e\u7a97\u53e3\uff1a\u8003\u8651\u7684\u662f\u53cc\u65b9\u901a\u4fe1\u65f6\u7f51\u7edc\u7684\u95ee\u9898\uff0c\u5982\u679c\u53d1\u9001\u7684\u6570\u636e\u8d85\u8fc7\u4e86\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u5c31\u53ef\u80fd\u4f1a\u5f15\u8d77\u7f51\u7edc\u62e5\u585e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u53cc\u65b9\u7f51\u7edc\u901a\u4fe1\u65f6\u51fa\u73b0\u5c11\u91cf\u7684\u4e22\u5305TCP\u662f\u5141\u8bb8\u7684\uff0c\u4f46\u4e00\u65e6\u51fa\u73b0\u5927\u91cf\u7684\u4e22\u5305\uff0c\u6b64\u65f6\u91cf\u53d8\u5f15\u8d77\u8d28\u53d8\uff0c\u8fd9\u4ef6\u4e8b\u60c5\u7684\u6027\u8d28\u5c31\u53d8\u4e86\uff0c\u6b64\u65f6TCP\u5c31\u4e0d\u518d\u63a8\u6d4b\u662f\u53cc\u65b9\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u7684\u95ee\u9898\uff0c\u800c\u5224\u65ad\u662f\u53cc\u65b9\u901a\u4fe1\u4fe1\u9053\u7f51\u7edc\u51fa\u73b0\u4e86\u62e5\u585e\u95ee\u9898\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5982\u4f55\u89e3\u51b3\u7f51\u7edc\u62e5\u585e\u95ee\u9898?<\/p>\n<\/blockquote>\n\n\n\n<p>\u7f51\u7edc\u51fa\u73b0\u5927\u9762\u79ef\u762b\u75ea\u65f6\uff0c\u901a\u4fe1\u53cc\u65b9\u4f5c\u4e3a\u7f51\u7edc\u5f53\u4e2d\u4e24\u53f0\u5c0f\u5c0f\u7684\u4e3b\u673a\uff0c\u770b\u4f3c\u5e76\u4e0d\u80fd\u4e3a\u6b64\u505a\u4e9b\u4ec0\u4e48\uff0c\u4f46\u201c\u96ea\u5d29\u7684\u65f6\u5019\u6ca1\u6709\u4e00\u7247\u96ea\u82b1\u662f\u65e0\u8f9c\u7684\u201d\uff0c\u7f51\u7edc\u51fa\u73b0\u95ee\u9898\u4e00\u5b9a\u662f\u7f51\u7edc\u4e2d\u5927\u90e8\u5206\u4e3b\u673a\u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u5728\u540c\u4e00\u65f6\u95f4\u8282\u70b9\u90fd\u5927\u91cf\u5411\u7f51\u7edc\u5f53\u4e2d\u585e\u6570\u636e\uff0c\u6b64\u65f6\u4f4d\u4e8e\u7f51\u7edc\u4e2d\u67d0\u4e9b\u5173\u952e\u8282\u70b9\u7684\u8def\u7531\u5668\u4e0b\u5c31\u53ef\u80fd\u6392\u4e86\u5f88\u957f\u7684\u62a5\u6587\uff0c\u6700\u7ec8\u5bfc\u81f4\u62a5\u6587\u65e0\u6cd5\u5728\u8d85\u65f6\u65f6\u95f4\u5185\u5230\u8fbe\u5bf9\u7aef\u4e3b\u673a\uff0c\u6b64\u65f6\u4e5f\u5c31\u5bfc\u81f4\u4e86\u4e22\u5305\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u5f53\u7f51\u7edc\u51fa\u73b0\u62e5\u585e\u95ee\u9898\u65f6\uff0c\u901a\u4fe1\u53cc\u65b9\u867d\u7136\u4e0d\u80fd\u63d0\u51fa\u7279\u522b\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u53cc\u65b9\u4e3b\u673a\u53ef\u4ee5\u505a\u5230\u4e0d\u52a0\u91cd\u7f51\u7edc\u7684\u8d1f\u62c5\u3002<\/li>\n\n\n\n<li>\u53cc\u65b9\u901a\u4fe1\u65f6\u5982\u679c\u51fa\u73b0\u5927\u91cf\u4e22\u5305\uff0c\u4e0d\u5e94\u8be5\u7acb\u5373\u5c06\u8fd9\u4e9b\u62a5\u6587\u8fdb\u884c\u91cd\u4f20\uff0c\u800c\u5e94\u8be5\u5c11\u53d1\u6570\u636e\u751a\u81f3\u4e0d\u53d1\u6570\u636e\uff0c\u7b49\u5f85\u7f51\u7edc\u72b6\u51b5\u6062\u590d\u540e\u53cc\u65b9\u518d\u6162\u6162\u6062\u590d\u6570\u636e\u7684\u4f20\u8f93\u901f\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7f51\u7edc\u62e5\u585e\u65f6\u5f71\u54cd\u7684\u4e0d\u53ea\u662f\u4e00\u53f0\u4e3b\u673a\uff0c\u800c\u51e0\u4e4e\u662f\u8be5\u7f51\u7edc\u5f53\u4e2d\u7684\u6240\u6709\u4e3b\u673a\uff0c\u6b64\u65f6\u6240\u6709\u4f7f\u7528TCP\u4f20\u8f93\u63a7\u5236\u534f\u8bae\u7684\u4e3b\u673a\u90fd\u4f1a\u6267\u884c\u62e5\u585e\u907f\u514d\u7b97\u6cd5\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u62e5\u585e\u63a7\u5236\u770b\u4f3c\u53ea\u662f\u8c08\u8bba\u7684\u4e00\u53f0\u4e3b\u673a\u4e0a\u7684\u901a\u4fe1\u7b56\u7565\uff0c\u5b9e\u9645\u8fd9\u4e2a\u7b56\u7565\u662f\u6240\u6709\u4e3b\u673a\u5728\u7f51\u7edc\u5d29\u6e83\u540e\u90fd\u4f1a\u9075\u5b88\u7684\u7b56\u7565\u3002\u4e00\u65e6\u51fa\u73b0\u7f51\u7edc\u62e5\u585e\uff0c\u8be5\u7f51\u7edc\u5f53\u4e2d\u7684\u6240\u6709\u4e3b\u673a\u90fd\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u6b64\u65f6\u6240\u6709\u4e3b\u673a\u90fd\u8981\u6267\u884c\u62e5\u585e\u907f\u514d\uff0c\u8fd9\u6837\u624d\u80fd\u6709\u6548\u7f13\u89e3\u7f51\u7edc\u62e5\u585e\u95ee\u9898\u3002\u901a\u8fc7\u8fd9\u6837\u7684\u65b9\u5f0f\u5c31\u80fd\u4fdd\u8bc1\u96ea\u5d29\u4e0d\u4f1a\u53d1\u751f\uff0c\u6216\u96ea\u5d29\u53d1\u751f\u540e\u53ef\u4ee5\u5c3d\u5feb\u6062\u590d\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u62e5\u585e\u63a7\u5236<\/p>\n<\/blockquote>\n\n\n\n<p>\u867d\u7136\u6ed1\u52a8\u7a97\u53e3\u80fd\u591f\u9ad8\u6548\u53ef\u9760\u7684\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e\uff0c\u4f46\u5982\u679c\u5728\u521a\u5f00\u59cb\u9636\u6bb5\u5c31\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e\uff0c\u5c31\u53ef\u80fd\u4f1a\u5f15\u53d1\u67d0\u4e9b\u95ee\u9898\u3002\u56e0\u4e3a\u7f51\u7edc\u4e0a\u6709\u5f88\u591a\u7684\u8ba1\u7b97\u673a\uff0c\u6709\u53ef\u80fd\u5f53\u524d\u7684\u7f51\u7edc\u72b6\u6001\u5c31\u5df2\u7ecf\u6bd4\u8f83\u62e5\u585e\u4e86\uff0c\u56e0\u6b64\u5728\u4e0d\u6e05\u695a\u5f53\u524d\u7f51\u7edc\u72b6\u6001\u7684\u60c5\u51b5\u4e0b\uff0c\u8d38\u7136\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e\uff0c\u5c31\u53ef\u80fd\u4f1a\u5f15\u8d77\u7f51\u7edc\u62e5\u585e\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64TCP\u5f15\u5165\u4e86\u6162\u542f\u52a8\u673a\u5236\uff0c\u5728\u521a\u5f00\u59cb\u901a\u4fe1\u65f6\u5148\u53d1\u5c11\u91cf\u7684\u6570\u636e\u63a2\u63a2\u8def\uff0c\u6478\u6e05\u5f53\u524d\u7684\u7f51\u7edc\u62e5\u5835\u72b6\u6001\uff0c\u518d\u51b3\u5b9a\u6309\u7167\u591a\u5927\u7684\u901f\u5ea6\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/75a1522626dc4de9ba4e16e6f81ef286.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/75a1522626dc4de9ba4e16e6f81ef286.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TCP\u9664\u4e86\u6709\u7a97\u53e3\u5927\u5c0f\u548c\u6ed1\u52a8\u7a97\u53e3\u7684\u6982\u5ff5\u4ee5\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u7a97\u53e3\u53eb\u505a\u62e5\u585e\u7a97\u53e3\u3002\u62e5\u585e\u7a97\u53e3\u662f\u53ef\u80fd\u5f15\u8d77\u7f51\u7edc\u62e5\u585e\u7684\u9608\u503c\uff0c\u5982\u679c\u4e00\u6b21\u53d1\u9001\u7684\u6570\u636e\u8d85\u8fc7\u4e86\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u5c31\u53ef\u80fd\u4f1a\u5f15\u8d77\u7f51\u7edc\u62e5\u585e\u3002<\/li>\n\n\n\n<li>\u521a\u5f00\u59cb\u53d1\u9001\u6570\u636e\u7684\u65f6\u5019\u62e5\u585e\u7a97\u53e3\u5927\u5c0f\u5b9a\u4e49\u4ee5\u4e3a1\uff0c\u6bcf\u6536\u5230\u4e00\u4e2aACK\u5e94\u7b54\u62e5\u585e\u7a97\u53e3\u7684\u503c\u5c31\u52a0\u4e00\u3002<\/li>\n\n\n\n<li>\u6bcf\u6b21\u53d1\u9001\u6570\u636e\u5305\u7684\u65f6\u5019\uff0c\u5c06\u62e5\u585e\u7a97\u53e3\u548c\u63a5\u6536\u7aef\u4e3b\u673a\u53cd\u9988\u7684\u7a97\u53e3\u5927\u5c0f\u505a\u6bd4\u8f83\uff0c\u53d6\u8f83\u5c0f\u7684\u503c\u4f5c\u4e3a\u5b9e\u9645\u53d1\u9001\u6570\u636e\u7684\u7a97\u53e3\u5927\u5c0f\uff0c\u5373\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bcf\u6536\u5230\u4e00\u4e2aACK\u5e94\u7b54\u62e5\u585e\u7a97\u53e3\u7684\u503c\u5c31\u52a0\u4e00\uff0c\u6b64\u65f6\u62e5\u585e\u7a97\u53e3\u5c31\u662f\u4ee5\u6307\u6570\u7ea7\u522b\u8fdb\u884c\u589e\u957f\u7684\uff0c\u5982\u679c\u5148\u4e0d\u8003\u8651\u5bf9\u65b9\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u6ed1\u52a8\u7a97\u53e3\u7684\u5927\u5bb6\u5c31\u53ea\u53d6\u51b3\u4e8e\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\uff0c\u6b64\u65f6\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u53d8\u5316\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230516113927954.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230516113927954.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230516113927954\"\/><\/div><\/figure>\n\n\n\n<p>\u4f46\u6307\u6570\u7ea7\u589e\u957f\u662f\u975e\u5e38\u5feb\u7684\uff0c\u56e0\u6b64\u201c\u6162\u542f\u52a8\u201d\u5b9e\u9645\u53ea\u662f\u521d\u59cb\u65f6\u6bd4\u8f83\u6162\uff0c\u4f46\u8d8a\u5f80\u540e\u589e\u957f\u7684\u8d8a\u5feb\u3002\u5982\u679c\u62e5\u585e\u7a97\u53e3\u7684\u503c\u4e00\u76f4\u4ee5\u6307\u6570\u7684\u65b9\u5f0f\u8fdb\u884c\u589e\u957f\uff0c\u6b64\u65f6\u5c31\u53ef\u80fd\u5728\u77ed\u65f6\u95f4\u5185\u518d\u6b21\u5bfc\u81f4\u7f51\u7edc\u51fa\u73b0\u62e5\u585e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3a\u4e86\u907f\u514d\u77ed\u65f6\u95f4\u5185\u518d\u6b21\u5bfc\u81f4\u7f51\u7edc\u62e5\u585e\uff0c\u56e0\u6b64\u4e0d\u80fd\u4e00\u76f4\u8ba9\u62e5\u585e\u7a97\u53e3\u6309\u6307\u6570\u7ea7\u7684\u65b9\u5f0f\u8fdb\u884c\u589e\u957f\u3002<\/li>\n\n\n\n<li>\u6b64\u65f6\u5c31\u5f15\u5165\u4e86\u6162\u542f\u52a8\u7684\u9608\u503c\uff0c\u5f53\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u8d85\u8fc7\u8fd9\u4e2a\u9608\u503c\u65f6\uff0c\u5c31\u4e0d\u518d\u6309\u6307\u6570\u7684\u65b9\u5f0f\u589e\u957f\uff0c\u800c\u6309\u7ebf\u6027\u7684\u65b9\u5f0f\u589e\u957f\u3002<\/li>\n\n\n\n<li>\u5f53TCP\u521a\u5f00\u59cb\u542f\u52a8\u7684\u65f6\u5019\uff0c\u6162\u542f\u52a8\u9608\u503c\u8bbe\u7f6e\u4e3a\u5bf9\u65b9\u7a97\u53e3\u5927\u5c0f\u7684\u6700\u5927\u503c\u3002<\/li>\n\n\n\n<li>\u5728\u6bcf\u6b21\u8d85\u65f6\u91cd\u53d1\u7684\u65f6\u5019\uff0c\u6162\u542f\u52a8\u9608\u503c\u4f1a\u53d8\u6210\u5f53\u524d\u62e5\u585e\u7a97\u53e3\u7684\u4e00\u534a\uff0c\u540c\u65f6\u62e5\u585e\u7a97\u53e3\u7684\u503c\u88ab\u91cd\u65b0\u7f6e\u4e3a1\uff0c\u5982\u6b64\u5faa\u73af\u4e0b\u53bb\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/8db3d256379941ac907c1ee327307b36.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/8db3d256379941ac907c1ee327307b36.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u56fe\u793a\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6307\u6570\u589e\u957f\u3002\u521a\u5f00\u59cb\u8fdb\u884cTCP\u901a\u4fe1\u65f6\u62e5\u585e\u7a97\u53e3\u7684\u503c\u4e3a1\uff0c\u5e76\u4e0d\u65ad\u6309\u6307\u6570\u7684\u65b9\u5f0f\u8fdb\u884c\u589e\u957f\u3002<\/li>\n\n\n\n<li>\u52a0\u6cd5\u589e\u5927\u3002\u6162\u542f\u52a8\u7684\u9608\u503c\u521d\u59cb\u65f6\u4e3a\u5bf9\u65b9\u7a97\u53e3\u5927\u5c0f\u7684\u6700\u5927\u503c\uff0c\u56fe\u4e2d\u6162\u542f\u52a8\u9608\u503c\u7684\u521d\u59cb\u503c\u4e3a16\uff0c\u56e0\u6b64\u5f53\u62e5\u585e\u7a97\u53e3\u7684\u503c\u589e\u5927\u523016\u65f6\u5c31\u4e0d\u518d\u6309\u6307\u6570\u5f62\u5f0f\u589e\u957f\u4e86\uff0c\u800c\u53d8\u6210\u4e86\u7684\u7ebf\u6027\u589e\u957f\u3002<\/li>\n\n\n\n<li>\u4e58\u6cd5\u51cf\u5c0f\u3002\u62e5\u585e\u7a97\u53e3\u5728\u7ebf\u6027\u589e\u957f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5728\u589e\u5927\u523024\u65f6\u5982\u679c\u53d1\u751f\u4e86\u7f51\u7edc\u62e5\u585e\uff0c\u6b64\u65f6\u6162\u542f\u52a8\u7684\u9608\u503c\u5c06\u53d8\u4e3a\u5f53\u524d\u62e5\u585e\u7a97\u53e3\u7684\u4e00\u534a\uff0c\u4e5f\u5c31\u662f12\uff0c\u5e76\u4e14\u62e5\u585e\u7a97\u53e3\u7684\u503c\u88ab\u91cd\u65b0\u8bbe\u7f6e\u4e3a1\uff0c\u6240\u4ee5\u4e0b\u4e00\u6b21\u62e5\u585e\u7a97\u53e3\u7531\u6307\u6570\u589e\u957f\u53d8\u4e3a\u7ebf\u6027\u589e\u957f\u65f6\u62e5\u585e\u7a97\u53e3\u7684\u503c\u5e94\u8be5\u662f12\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e3b\u673a\u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u65f6\uff0c\u5b9e\u9645\u5c31\u662f\u5728\u4e0d\u65ad\u8fdb\u884c\u6307\u6570\u589e\u957f\u3001\u52a0\u6cd5\u589e\u5927\u548c\u4e58\u6cd5\u51cf\u5c0f\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0d\u662f\u6240\u6709\u7684\u4e3b\u673a\u90fd\u662f\u540c\u65f6\u5728\u8fdb\u884c\u6307\u6570\u589e\u957f\u3001\u52a0\u6cd5\u589e\u5927\u548c\u4e58\u6cd5\u51cf\u5c0f\u7684\u3002\u6bcf\u53f0\u4e3b\u673a\u8ba4\u4e3a\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u4e0d\u4e00\u5b9a\u662f\u4e00\u6837\u7684\uff0c\u5373\u4fbf\u662f\u540c\u533a\u57df\u7684\u4e24\u53f0\u4e3b\u673a\u5728\u540c\u4e00\u65f6\u523b\u8ba4\u4e3a\u62e5\u585e\u7a97\u53e3\u7684\u5927\u5c0f\u4e5f\u4e0d\u4e00\u5b9a\u662f\u5b8c\u5168\u76f8\u540c\u7684\u3002\u56e0\u6b64\u5728\u540c\u4e00\u65f6\u523b\uff0c\u53ef\u80fd\u4e00\u90e8\u5206\u4e3b\u673a\u6b63\u5728\u8fdb\u884c\u6b63\u5e38\u901a\u4fe1\uff0c\u800c\u53e6\u4e00\u90e8\u5206\u4e3b\u673a\u53ef\u80fd\u5df2\u7ecf\u53d1\u751f\u7f51\u7edc\u62e5\u585e\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ef6\u8fdf\u5e94\u7b54<\/h3>\n\n\n\n<p>\u5982\u679c\u63a5\u6536\u6570\u636e\u7684\u4e3b\u673a\u6536\u5230\u6570\u636e\u540e\u7acb\u5373\u8fdb\u884cACK\u5e94\u7b54\uff0c\u6b64\u65f6\u8fd4\u56de\u7684\u7a97\u53e3\u53ef\u80fd\u6bd4\u8f83\u5c0f\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/83cb3017be314719a85bb07a927d67ba.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/83cb3017be314719a85bb07a927d67ba.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u5916\uff0c\u4e0d\u662f\u6240\u6709\u7684\u6570\u636e\u5305\u90fd\u53ef\u4ee5\u5ef6\u8fdf\u5e94\u7b54\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-heading\">\u634e\u5e26\u5e94\u7b54<\/h3>\n\n\n\n<p>\u634e\u5e26\u5e94\u7b54\u5176\u5b9e\u662fTCP\u901a\u4fe1\u65f6\u6700\u5e38\u89c4\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u5c31\u597d\u6bd4\u4e3b\u673aA\u7ed9\u4e3b\u673aB\u53d1\u9001\u4e86\u4e00\u6761\u6d88\u606f\uff0c\u5f53\u4e3b\u673aB\u6536\u5230\u8fd9\u6761\u6d88\u606f\u540e\u9700\u8981\u5bf9\u5176\u8fdb\u884cACK\u5e94\u7b54\uff0c\u4f46\u5982\u679c\u4e3b\u673aB\u6b64\u65f6\u6b63\u597d\u4e5f\u8981\u7ed9\u4e3b\u673aA\u53d1\u751f\u6d88\u606f\uff0c\u6b64\u65f6\u8fd9\u4e2aACK\u5c31\u53ef\u4ee5\u642d\u987a\u98ce\u8f66\uff0c\u800c\u4e0d\u7528\u5355\u72ec\u53d1\u9001\u4e00\u4e2aACK\u5e94\u7b54\uff0c\u6b64\u65f6\u4e3b\u673aB\u53d1\u9001\u7684\u8fd9\u4e2a\u62a5\u6587\u65e2\u53d1\u9001\u4e86\u6570\u636e\uff0c\u53c8\u5b8c\u6210\u4e86\u5bf9\u6536\u5230\u6570\u636e\u7684\u54cd\u5e94\uff0c\u8fd9\u5c31\u53eb\u505a\u634e\u5e26\u5e94\u7b54\u3002<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/2cf0d39837354326900c2d545f9a4c27.png\" alt=\"img\"><\/p>\n\n\n\n<p>\u634e\u5e26\u5e94\u7b54\u6700\u76f4\u89c2\u7684\u89d2\u5ea6\u5b9e\u9645\u4e5f\u662f\u53d1\u9001\u6570\u636e\u7684\u6548\u7387\uff0c\u6b64\u65f6\u53cc\u65b9\u901a\u4fe1\u65f6\u5c31\u53ef\u4ee5\u4e0d\u7528\u518d\u53d1\u9001\u5355\u7eaf\u7684\u786e\u8ba4\u62a5\u6587\u4e86\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u7531\u4e8e\u634e\u5e26\u5e94\u7b54\u7684\u62a5\u6587\u643a\u5e26\u4e86\u6709\u6548\u6570\u636e\uff0c\u56e0\u6b64\u5bf9\u65b9\u6536\u5230\u8be5\u62a5\u6587\u540e\u4f1a\u5bf9\u5176\u8fdb\u884c\u54cd\u5e94\uff0c\u5f53\u6536\u5230\u8fd9\u4e2a\u54cd\u5e94\u62a5\u6587\u65f6\u4e0d\u4ec5\u80fd\u591f\u786e\u4fdd\u53d1\u9001\u7684\u6570\u636e\u88ab\u5bf9\u65b9\u53ef\u9760\u7684\u6536\u5230\u4e86\uff0c\u540c\u65f6\u4e5f\u80fd\u786e\u4fdd\u634e\u5e26\u7684ACK\u5e94\u7b54\u4e5f\u88ab\u5bf9\u65b9\u53ef\u9760\u7684\u6536\u5230\u4e86\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5982\u4f55\u89e3\u51b3\u7c98\u5305\u95ee\u9898<\/p>\n<\/blockquote>\n\n\n\n<p>\u8981\u89e3\u51b3\u7c98\u5305\u95ee\u9898\uff0c\u672c\u8d28\u5c31\u662f\u8981\u660e\u786e\u62a5\u6587\u548c\u62a5\u6587\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-heading\">TCP\u5f02\u5e38\u60c5\u51b5<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow 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