{"id":38057,"date":"2023-07-11T11:42:57","date_gmt":"2023-07-11T03:42:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=38057"},"modified":"2023-07-31T00:39:06","modified_gmt":"2023-07-30T16:39:06","slug":"tcp%e4%b8%ba%e4%bb%80%e4%b9%88%e9%9c%80%e8%a6%81%e8%bf%9b%e8%a1%8c%e4%b8%89%e6%ac%a1%e6%8f%a1%e6%89%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/38057.html","title":{"rendered":"TCP\u4e3a\u4ec0\u4e48\u9700\u8981\u8fdb\u884c\u4e09\u6b21\u63e1\u624b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>TCP\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u662f\u4e3a\u4e86\u786e\u4fdd\u53ef\u9760\u7684\u8fde\u63a5\u5efa\u7acb\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5230\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u4ee5\u5efa\u7acb\u53cc\u65b9\u90fd\u786e\u8ba4\u7684\u521d\u59cb\u5e8f\u5217\u53f7\u548c\u521d\u59cb\u5316\u5404\u81ea\u7684\u8fde\u63a5\u72b6\u6001\u3002\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\uff0cTCP\u53ef\u4ee5\u9a8c\u8bc1\u901a\u4fe1\u53cc\u65b9\u7684\u53ef\u8fbe\u6027\u548c\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\u3002\u8fd9\u79cd\u786e\u8ba4\u548c\u540c\u6b65\u673a\u5236\u786e\u4fdd\u4e86\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\uff0c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u4e22\u5931\u548c\u9519\u8bef\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-38058\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/07\/\u6dfb\u52a0\u6807\u9898-30-1.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/07\/\u6dfb\u52a0\u6807\u9898-30-1.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/07\/\u6dfb\u52a0\u6807\u9898-30-1-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>TCP<\/strong><strong>\u4e3a\u4ec0\u4e48\u9700\u8981\u8fdb\u884c\u4e09\u6b21\u63e1\u624b<\/strong><\/h2>\n<p>TCP\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u662f\u4e3a\u4e86\u786e\u4fdd\u53ef\u9760\u7684\u8fde\u63a5\u5efa\u7acb\u3002\u5728TCP\u534f\u8bae\u4e2d\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u9700\u8981\u7ecf\u8fc7\u4e09\u6b21\u63e1\u624b\u6765\u5efa\u7acb\u548c\u9a8c\u8bc1\u3002<\/p>\n<p><strong>\u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b\u5982\u4e0b:<\/strong><\/p>\n<p><strong>\u540d\u5217\u524d\u8305\u6b21\u63e1\u624b (SYN):<\/strong> 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<\/strong>\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u7684\u56de\u590d\u540e\uff0c\u518d\u6b21\u56de\u590d\u4e00\u4e2a\u5e26\u6709ACK\u6807\u5fd7\u7684\u5305\u7ed9\u670d\u52a1\u5668\uff0c\u8868\u793a\u5ba2\u6237\u7aef\u786e\u8ba4\u8fde\u63a5\u5df2\u5efa\u7acb\u3002\u540c\u65f6\uff0c\u5ba2\u6237\u7aef\u4e5f\u786e\u8ba4\u4e86\u670d\u52a1\u5668\u7684\u521d\u59cb\u5e8f\u5217\u53f7\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b\uff0cTCP\u53ef\u4ee5\u5b9e\u73b0\u4ee5\u4e0b\u76ee\u7684:<\/p>\n<p>\u786e\u8ba4\u901a\u4fe1\u53cc\u65b9\u7684\u53ef\u8fbe\u6027: \u901a\u8fc7\u63e1\u624b\u8fc7\u7a0b\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u53ef\u4ee5\u9a8c\u8bc1\u5bf9\u65b9\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u662f\u5426\u53ef\u8fbe\u3002\u8fd9\u786e\u4fdd\u4e86\u53cc\u65b9\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3002<\/p>\n<p>\u786e\u8ba4\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b: 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class=\"wp-block-heading\"><strong>\u5ef6\u4f38\u9605\u8bfb<\/strong><\/h2>\n<p><strong>TCP<\/strong><strong>\u56db\u6b21\u6325\u624b<\/strong><\/p>\n<p>\u5b66\u4e60TCP\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b\uff0c\u4e86\u89e3\u5728\u8fde\u63a5\u65ad\u5f00\u65f6\u5982\u4f55\u8fdb\u884c\u4f18\u96c5\u7684\u5173\u95ed\u3002\u901a\u8fc7\u7406\u89e3\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1TCP\u8fde\u63a5\u7684\u5efa\u7acb\u548c\u65ad\u5f00\u673a\u5236\u3002<\/p>\n<p><strong>TCP<\/strong><strong>\u8fde\u63a5\u7684\u53ef\u9760\u6027\u548c\u62e5\u585e\u63a7\u5236<\/strong><\/p>\n<p>\u4e86\u89e3TCP\u8fde\u63a5\u7684\u53ef\u9760\u6027\u673a\u5236\u548c\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u5982\u6ed1\u52a8\u7a97\u53e3\u3001\u8d85\u65f6\u91cd\u4f20\u548c\u62e5\u585e\u907f\u514d\u7b49\u3002\u5b66\u4e60\u5982\u4f55\u4f18\u5316TCP\u8fde\u63a5\u7684\u6027\u80fd\u548c\u541e\u5410\u91cf\uff0c\u4ee5\u5e94\u5bf9\u4e0d\u540c\u7684\u7f51\u7edc\u73af\u5883\u548c\u6d41\u91cf\u8d1f\u8f7d\u3002<\/p>\n<p><strong>TCP<\/strong><strong>\u4e0eUDP\u7684\u533a\u522b<\/strong><\/p>\n<p>\u6bd4\u8f83TCP\u548cUDP\u534f\u8bae\u7684\u533a\u522b\u548c\u9002\u7528\u573a\u666f\uff0c\u4e86\u89e3\u5b83\u4eec\u5728\u6570\u636e\u4f20\u8f93\u65b9\u9762\u7684\u5dee\u5f02\u3002\u901a\u8fc7\u6bd4\u8f83TCP\u548cUDP\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u9009\u62e9\u9002\u5408\u7684\u534f\u8bae\u6765\u6ee1\u8db3\u7279\u5b9a\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<p><strong>\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8fde\u63a5\u5efa\u7acb\u673a\u5236<\/strong><\/p>\n<p>\u4e86\u89e3\u5176\u4ed6\u7f51\u7edc\u534f\u8bae\u4e2d\u7684\u8fde\u63a5\u5efa\u7acb\u673a\u5236\uff0c\u5982HTTP\u7684\u8bf7\u6c42-\u5e94\u7b54\u6a21\u578b\u3001WebSocket\u7684\u63e1\u624b\u7b49\u3002\u901a\u8fc7\u5b66\u4e60\u8fd9\u4e9b\u8fde\u63a5\u5efa\u7acb\u673a\u5236\uff0c\u53ef\u4ee5\u62d3\u5bbd\u5bf9\u7f51\u7edc\u901a\u4fe1\u7684\u7406\u89e3\u548c\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"TCP\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\u662f\u4e3a\u4e86\u786e\u4fdd\u53ef\u9760\u7684\u8fde\u63a5\u5efa\u7acb\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5230\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u4ee5\u5efa\u7acb\u53cc\u65b9\u90fd\u786e\u8ba4\u7684\u521d\u59cb\u5e8f\u5217 [&hellip;]","protected":false},"author":1,"featured_media":38058,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/38057"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=38057"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/38057\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/38058"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=38057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=38057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=38057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}