{"id":46176,"date":"2023-12-11T15:07:58","date_gmt":"2023-12-11T07:07:58","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=46176"},"modified":"2023-12-11T15:07:58","modified_gmt":"2023-12-11T07:07:58","slug":"%e8%af%b7%e4%bd%a0%e8%af%b4%e6%98%8e%e4%b8%80%e4%b8%8b%ef%bc%8ctcp%e5%8d%8f%e8%ae%ae%e7%9a%844%e6%ac%a1%e6%8f%a1%e6%89%8b%e3%80%82-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e4%bd%a0%e8%af%b4%e6%98%8e%e4%b8%80%e4%b8%8b%ef%bc%8ctcp%e5%8d%8f%e8%ae%ae%e7%9a%844%e6%ac%a1%e6%8f%a1%e6%89%8b%e3%80%82-4\/","title":{"rendered":"\u8bf7\u4f60\u8bf4\u660e\u4e00\u4e0b\uff0cTCP\u534f\u8bae\u76844\u6b21\u63e1\u624b\u3002"},"content":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1aTCP\u534f\u8bae<\/p>\n

\u7531\u4e8eTCP\u8fde\u63a5\u662f\u5168\u53cc\u5de5\u7684\uff0c\u56e0\u6b64\u6bcf\u4e2a\u65b9\u5411\u90fd\u5fc5\u987b\u5355\u72ec\u8fdb\u884c\u5173\u95ed\u3002\u8fd9\u4e2a\u539f\u5219\u662f\u5f53\u4e00\u65b9\u5b8c\u6210\u5b83\u7684\u6570\u636e\u53d1\u9001\u4efb\u52a1\u540e\u5c31\u80fd\u53d1\u9001\u4e00\u4e2aFIN\u6765\u7ec8\u6b62\u8fd9\u4e2a\u65b9\u5411\u7684\u8fde\u63a5\u3002\u6536\u5230\u4e00\u4e2a FIN\u53ea\u610f\u5473\u7740\u8fd9\u4e00\u65b9\u5411\u4e0a\u6ca1\u6709\u6570\u636e\u6d41\u52a8\uff0c\u4e00\u4e2aTCP\u8fde\u63a5\u5728\u6536\u5230\u4e00\u4e2aFIN\u540e\u4ecd\u80fd\u53d1\u9001\u6570\u636e\u3002\u9996\u5148\u8fdb\u884c\u5173\u95ed\u7684\u4e00\u65b9\u5c06\u6267\u884c\u4e3b\u52a8\u5173\u95ed\uff0c\u800c\u53e6\u4e00\u65b9\u6267\u884c\u88ab\u52a8\u5173\u95ed\u3002<\/p>\n

TCP\u7684\u8fde\u63a5\u7684\u62c6\u9664\u9700\u8981\u53d1\u9001\u56db\u4e2a\u5305\uff0c\u56e0\u6b64\u79f0\u4e3a\u56db\u6b21\u6325\u624b(four-way handshake)\u3002\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u5747\u53ef\u4e3b\u52a8\u53d1\u8d77\u6325\u624b\u52a8\u4f5c\uff0c\u5728socket\u7f16\u7a0b\u4e2d\uff0c\u4efb\u4f55\u4e00\u65b9\u6267\u884cclose()\u64cd\u4f5c\u5373\u53ef\u4ea7\u751f\u6325\u624b\u64cd\u4f5c\u3002<\/p>\n

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\uff083\uff09\u670d\u52a1\u5668B\u5173\u95ed\u4e0e\u5ba2\u6237\u7aefA\u7684\u8fde\u63a5\uff0c\u53d1\u9001\u4e00\u4e2aFIN\u7ed9\u5ba2\u6237\u7aefA\u3002<\/p>\n

\uff084\uff09\u5ba2\u6237\u7aefA\u53d1\u56deACK\u62a5\u6587\u786e\u8ba4\uff0c\u5e76\u5c06\u786e\u8ba4\u5e8f\u53f7\u8bbe\u7f6e\u4e3a\u6536\u5230\u5e8f\u53f7\u52a01\u3002<\/p>\n

<img alt=""img"" referrerpolicy=""no-referrer"" src=""https:\/\/uploadfiles.nowcoder.com\/images\/20180927\/308572_1538028144543_FCAC824D9C1E4301A60CF7D48A85E1C1""><\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1aTCP\u534f\u8bae \u7531\u4e8eTCP\u8fde\u63a5\u662f\u5168\u53cc\u5de5\u7684\uff0c\u56e0\u6b64\u6bcf\u4e2a\u65b9\u5411\u90fd\u5fc5\u987b\u5355\u72ec\u8fdb\u884c\u5173\u95ed\u3002 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-46176","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=46176"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46176\/revisions"}],"predecessor-version":[{"id":46177,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46176\/revisions\/46177"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=46176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=46176"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=46176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}