{"id":46653,"date":"2023-12-11T15:09:25","date_gmt":"2023-12-11T07:09:25","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=46653"},"modified":"2023-12-11T15:09:25","modified_gmt":"2023-12-11T07:09:25","slug":"%e8%af%b7%e4%bd%a0%e8%af%b4%e4%b8%80%e8%af%b4tcp%e7%9a%84%e4%b8%89%e6%ac%a1%e6%8f%a1%e6%89%8b%e5%92%8c%e5%9b%9b%e6%ac%a1%e6%8c%a5%e6%89%8b%e7%9a%84%e8%bf%87%e7%a8%8b%e5%8f%8a%e5%8e%9f%e5%9b%a0-5","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e4%bd%a0%e8%af%b4%e4%b8%80%e8%af%b4tcp%e7%9a%84%e4%b8%89%e6%ac%a1%e6%8f%a1%e6%89%8b%e5%92%8c%e5%9b%9b%e6%ac%a1%e6%8c%a5%e6%89%8b%e7%9a%84%e8%bf%87%e7%a8%8b%e5%8f%8a%e5%8e%9f%e5%9b%a0-5\/","title":{"rendered":"\u8bf7\u4f60\u8bf4\u4e00\u8bf4TCP\u7684\u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b\u53ca\u539f\u56e0"},"content":{"rendered":"

“`\u53c2\u8003\u56de\u7b54\uff1a<\/p>\n

TCP\u7684\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

C-> SYN -> S<\/p>\n

S->SYN\/ACK->C<\/p>\n

C->ACK->S<\/p>\n

\u00a0<\/p>\n

\u4e09\u6b21\u63e1\u624b\u7684\u539f\u56e0\uff1a\u4e09\u6b21\u63e1\u624b\u53ef\u4ee5\u9632\u6b62\u5df2\u7ecf\u5931\u6548\u7684\u8fde\u63a5\u8bf7\u6c42\u62a5\u6587\u7a81\u7136\u53c8\u4f20\u8f93\u5230\u670d\u52a1\u5668\u7aef\u5bfc\u81f4\u7684\u670d\u52a1\u5668\u8d44\u6e90\u6d6a\u8d39\u3002\u4f8b\u5982\uff0c\u5ba2\u6237\u7aef\u5148\u53d1\u9001\u4e86\u4e00\u4e2aSYN\uff0c\u4f46\u662f\u7531\u4e8e\u7f51\u7edc\u963b\u585e\uff0c\u8be5SYN\u6570\u636e\u5305\u5728\u67d0\u4e2a\u8282\u70b9\u957f\u671f\u6ede\u7559\u3002\u7136\u540e\u5ba2\u6237\u7aef\u53c8\u91cd\u4f20SYN\u6570\u636e\u5305\u5e76\u6b63\u786e\u5efa\u7acbTCP\u8fde\u63a5\uff0c\u7136\u540e\u4f20\u8f93\u5b8c\u6570\u636e\u540e\u5173\u95ed\u8be5\u8fde\u63a5\u3002\u8be5\u8fde\u63a5\u91ca\u653e\u540e\u5931\u6548\u7684SYN\u6570\u636e\u5305\u624d\u5230\u8fbe\u670d\u52a1\u5668\u7aef\u3002\u5728\u4e8c\u6b21\u63e1\u624b\u7684\u524d\u63d0\u4e0b\uff0c\u670d\u52a1\u5668\u7aef\u4f1a\u8ba4\u4e3a\u8fd9\u662f\u5ba2\u6237\u7aef\u53d1\u8d77\u7684\u53c8\u4e00\u6b21\u8bf7\u6c42\uff0c\u7136\u540e\u53d1\u9001SYN \uff0c\u5e76\u4e14\u5728\u670d\u52a1\u5668\u7aef\u521b\u5efasocket\u5957\u63a5\u5b57\uff0c\u4e00\u76f4\u7b49\u5f85\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u3002\u4f46\u662f\u7531\u4e8e\u5ba2\u6237\u7aef\u5e76\u6ca1\u6709\u53d1\u8d77\u65b0\u7684\u8bf7\u6c42\uff0c\u6240\u4ee5\u4f1a\u4e22\u5f03\u670d\u52a1\u7aef\u7684SYN \u3002\u6b64\u65f6\u670d\u52a1\u5668\u4f1a\u4e00\u76f4\u7b49\u5f85\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u4ece\u800c\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n

TCP\u7684\u56db\u6b21\u6325\u624b\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

C->FIN->S<\/p>\n

S->ACK->C<\/p>\n

S->FIN->C<\/p>\n

C->ACK->S<\/p>\n

\u00a0<\/p>\n

\u56db\u6b21\u6325\u624b\u7684\u539f\u56e0\uff1a\u7531\u4e8e\u8fde\u63a5\u7684\u5173\u95ed\u63a7\u5236\u6743\u5728\u5e94\u7528\u5c42\uff0c\u6240\u4ee5\u88ab\u52a8\u5173\u95ed\u7684\u4e00\u65b9\u5728\u63a5\u6536\u5230FIN\u5305\u65f6\uff0cTCP\u534f\u8bae\u6808\u4f1a\u76f4\u63a5\u53d1\u9001\u4e00\u4e2aACK\u786e\u8ba4\u5305\uff0c\u4f18\u5148\u5173\u95ed\u4e00\u7aef\u7684\u901a\u4fe1\u3002\u7136\u540e\u901a\u77e5\u5e94\u7528\u5c42\uff0c\u7531\u5e94\u7528\u5c42\u51b3\u5b9a\u4ec0\u4e48\u65f6\u5019\u53d1\u9001FIN\u5305\u3002\u5e94\u7528\u5c42\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u8c03\u7528\u51fd\u6570read==0\u6765\u5224\u65ad\u5bf9\u7aef\u662f\u5426\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n

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

“`\u53c2\u8003\u56de\u7b54\uff1a TCP\u7684\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u5982\u4e0b\uff1a C-> SYN -> S S->SY […]<\/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-46653","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46653","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=46653"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46653\/revisions"}],"predecessor-version":[{"id":46654,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/46653\/revisions\/46654"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=46653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=46653"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=46653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}