锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20122;&#27954;&#25104;&#97;&#8564;&#20154;&#29255;&#22312;&#32447;&#24433;&#38498;&#20843;&#44;&#20122;&#27954;&#32654;&#22899;&#22312;&#32447;&#22269;&#20135;&#44;&#20122;&#27954;&#22899;&#20154;&#34987;&#40657;&#20154;&#24040;&#22823;&#36827;&#20837;</title><link>http://www.tkk7.com/paulwong/category/55367.html</link><description /><language>zh-cn</language><lastBuildDate>Tue, 29 Dec 2020 02:05:03 GMT</lastBuildDate><pubDate>Tue, 29 Dec 2020 02:05:03 GMT</pubDate><ttl>60</ttl><item><title>TCP 閫ｇ窔鐙�鎱嬫鍒惰垏嫻佺▼</title><link>http://www.tkk7.com/paulwong/archive/2020/12/29/435758.html</link><dc:creator>paulwong</dc:creator><author>paulwong</author><pubDate>Tue, 29 Dec 2020 02:04:00 GMT</pubDate><guid>http://www.tkk7.com/paulwong/archive/2020/12/29/435758.html</guid><wfw:comment>http://www.tkk7.com/paulwong/comments/435758.html</wfw:comment><comments>http://www.tkk7.com/paulwong/archive/2020/12/29/435758.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/paulwong/comments/commentRss/435758.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/paulwong/services/trackbacks/435758.html</trackback:ping><description><![CDATA[<p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;"><a  target="_blank">https://dev.twsiyuan.com/2017/09/tcp-states.html</a><br />鍦ㄩ枊鐧煎熀鏂?HTTP 鐨勭恫璺噳鐢ㄦ湇鍕欐檪錛岀暥鏈夊ぇ閲忛�ｇ窔瑕佹眰錛屾垨鏄垏闀烽�ｇ窔 (Persistent connection) 瑕佹眰鏅傦紝甯稿父閬囧埌搴曞堡 TCP 鐨勯�ｇ窔鏂風窔閷錛屽皫鑷存湇鍕欎笉絀╁畾銆傚洜姝ょ爺絀朵簡瑙?TCP 鐨勯�ｇ窔鐙�鎱嬫鍒訛紝涓﹀槜瑭︾敤鑷繁鐨勬柟寮忔暣鐞嗙瓎璦橈紝甯屾湜鑳藉緸鍩虹鐭ヨ瓨涓壘鍒拌В姹洪尟瑾ょ殑綬氱儲錛屾垨鏄換浣曡兘鏇撮�蹭竴姝ュ劒鍖栨湇鍕欑殑鎵嬫銆?/p><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鍍呯磤閷?TCP 閫ｇ窔鐙�鎱嬩互鍙婂緩绔嬫垨鏄柗闁嬮�ｇ窔嫻佺▼錛岄棞鏂奸�蹭竴姝ョ殑 TCP 灝佸寘鍗斿畾鍙弮鑰?Reference 閫ｇ窔銆?/p><h2>TCP 寤虹珛閫ｇ窔 (Open)</h2><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">閫氬父鐨?TCP 閫ｇ窔寤虹珛嫻佺▼鑸囩媭鎱嬶紝闇�瑕佷笁嬈＄殑璦婃伅浜ゆ彌渚嗗緩绔嬮�ｇ窔 (three-way handshaking)錛?/p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP 寤虹珛閫ｇ窔嫻佺▼鍦? src="https://2.bp.blogspot.com/-2mx35jqEZGM/Wa5u2IscCeI/AAAAAAAAcuM/EffX5Qq_ByE0RU6C5OYNfIfD8UX5iO1fwCHMYCw/s780/tcp-open-state-flow.png" title="TCP 寤虹珛閫ｇ窔嫻佺▼鍦? style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP 寤虹珛閫ｇ窔嫻佺▼鍦?/p></div><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鍏朵腑宸﹂倞閫氬父鐐?server錛屽彸閭婂墖鐐?client錛屾枃瀛楁祦紼嬫弿榪幫細</p><ol style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 寤虹珛 TCB錛岄枊鍟熺洠鑱介�ｇ窔錛岄�插叆鐙�鎱?LISTENING</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Client 鐧煎嚭閫ｇ窔瑕佹眰&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN</em>錛岄�插叆鐙�鎱?SYN-SENT錛岀瓑寰呭洖鎳?/li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN</em>&nbsp;瑕佹眰錛屽洖鎳夐�ｇ窔鍌抽�?nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN</em>+<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛屼甫閫插叆鐙�鎱?SYN-RCVD (SYN-RECEIVED)</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Client 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN</em>+<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>&nbsp;紕鴻獚瀹屾垚閫ｇ窔閫插叆鐙�鎱?ESTABLISHED錛屼甫閫佸嚭&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em></li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>&nbsp;紕鴻獚閫ｇ窔瀹屾垚錛屼篃閫插叆鐙�鎱?ESTABLISHED</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">闆欐柟闁嬪鍌抽�佷氦鎻涜硣鏂?/li></ol><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">瑭蹭簺鍚嶈鑸囩媭鎱嬭鏄庯細</p><ul style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">CLOSED錛氶�ｇ窔闂滈枆鐙�鎱?/li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">LISTENING錛氱洠鑱界媭鎱嬶紝琚嫊絳夊緟閫ｇ窔</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN-SENT錛氫富鍕曢�佸嚭閫ｇ窔瑕佹眰 SYN錛屼甫絳夊緟灝嶆柟鍥炴噳</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN-RCVD錛氭敹鍒伴�ｇ窔瑕佹眰 SYN錛岄�佸嚭宸辨柟鐨?SYN+ACK 寰岋紝絳夊緟灝嶆柟鍥炴噳</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ESTABLISHED錛氱⒑瀹氬畬鎴愰�ｇ窔錛屽彲闁嬪鍌寵幾璩囨枡</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">TCB錛歍ransmission Control Block錛宻ee&nbsp;<a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">wiki</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">SYN</em>錛歋ynchronous錛岃〃紺鴻垏灝嶆柟寤虹珛閫ｇ窔鐨勫悓姝ョ铏?/li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛欰cknowledgement錛岃〃紺虹櫦閫佺殑鏁告摎宸叉敹鍒扮劇瑾?/li></ul><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鍦ㄥ緩绔嬮�ｇ窔鏅傦紝鍙兘鏈冪櫦鐢熼洐鏂瑰悓姝ュ緩绔嬮�ｇ窔鐨勬儏褰?(Simultaneous open)錛屽父瑕嬫柤 P2P 鐨勬噳鐢ㄤ腑錛屽叾 TCP 寤虹珛閫ｇ窔鐨勬祦紼嬩笉澶竴妯ｏ細</p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP 鍚屾寤虹珛閫ｇ窔嫻佺▼鍦? src="https://2.bp.blogspot.com/-nnxA1swfqQY/Wa5u2c-OG5I/AAAAAAAAcuQ/Tkw_aIM24mIdWqc7vvJsrWGJqZ6J3swPgCHMYCw/s780/tcp-simultaneous-open-state-flow.png" title="TCP 鍚屾寤虹珛閫ｇ窔嫻佺▼鍦? style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP 鍚屾寤虹珛閫ｇ窔嫻佺▼鍦?/p></div><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鐣垚 TCP 鐙�鎱嬫祦紼嬪湒鏈冩槸閫欐ǎ錛?/p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP Open 鐙�鎱嬪湒" src="https://2.bp.blogspot.com/-h1UBJNPvlcI/Wa5u2QYeR9I/AAAAAAAAcuU/s18PlBSPCEABhRF6fdohXTbC8gBGqAOmwCHMYCw/s780/tcp-open-state-diagram.png" title="TCP Open 鐙�鎱嬪湒" style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP Open 鐙�鎱嬪湒</p></div><h2>TCP 鏂烽枊閫ｇ窔 (Close)</h2><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">TCP 闂滈枆嫻佺▼濡備笅錛屾瘮寤虹珛閫ｇ窔閭勮瑜囬洔涓�浜涳紝闇�瑕佺稉閬庡洓嬈＄殑璦婃伅浜ゆ彌 (four-way handshaking)錛岃娉ㄦ剰鐨勬槸鍙互鏄敱 server 鐧艱搗涓誨嫊闂滈枆錛屾姂鎴栨槸 client 鐧艱搗涓誨嫊闂滈枆錛?/p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP 闂滈枆閫ｇ窔嫻佺▼鍦? src="https://2.bp.blogspot.com/-EVTQe_4Vk00/Wa5u2iHmHQI/AAAAAAAAcuY/LnHrPzqczAQMs_dRnwzCuI_aQGyID_MMQCHMYCw/s780/tcp-close-state-flow.png" title="TCP 闂滈枆閫ｇ窔嫻佺▼鍦? style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP 闂滈枆閫ｇ窔嫻佺▼鍦?/p></div><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鍏朵腑宸﹂倞閫氬父鐐?client 鐙�鎱?(鐢?client 涓誨嫊鐧艱搗闂滈枆閫ｇ窔)錛屽彸閭婂墖鐐?server 鐙�鎱嬶紝鏂囧瓧嫻佺▼鎻忚堪錛?/p><ol style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Client 婧栧倷闂滈枆閫ｇ窔錛岀櫦鍑?nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em>錛岄�插叆鐙�鎱?FIN-WAIT-1</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em>錛岀櫦鍥炴敹鍒扮殑&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛岄�插叆鐙�鎱?CLOSE-WAIT錛屼甫閫氱煡 App 婧栧倷鏂風窔</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Client 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛岄�插叆鐙�鎱?FIN-WAIT-2錛岀瓑寰?server 鐧煎嚭&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em></li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 紕鴻獚 App 铏曠悊瀹屾柗綬氳珛姹傦紝鐧煎嚭&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em>錛屼甫閫插叆鐙�鎱?LAST-ACK</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Client 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em>錛屼甫鍥炲偝紕鴻獚鐨?nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛岄�插叆鐙�鎱?TIME-WAIT錛岀瓑寰呮檪闁撻亷寰屾寮忛棞闁夐�ｇ窔</li><li style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">Server 鏀跺埌&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛屼究鐩存帴闂滈枆閫ｇ窔</li></ol><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">瑭蹭簺鍚嶈鑸囩媭鎱嬭鏄庯細</p><ul style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ESTABLISHED錛氶�ｇ窔闁嬪暉鐙�鎱?/li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">CLOSE-WAIT錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夊緟 App 鍥炴噳</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">LAST-ACK錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夊緟閬犵鍥炴噳&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>&nbsp;寰岋紝渚塊棞闁夐�ｇ窔</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN-WAIT-1錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夊緟閬犵鍥炴噳&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN-WAIT-2錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夊緟閬犵鍥炴噳&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">TIME-WAIT錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夋涓�孌墊檪鍊欙紝淇濊瓑閬犵鏈夋敹鍒板叾 ACK 闂滈枆閫ｇ窔 (綞茶礬寤墮伈鍟忛)</li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">CLOSED錛氶�ｇ窔闂滈枆鐙�鎱?/li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">FIN</em>錛氳〃紺洪棞闁夐�ｇ窔鐨勫悓姝ョ铏?/li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em>錛欰cknowledgement錛岃〃紺虹櫦閫佺殑鏁告摎宸叉敹鍒扮劇瑾?/li></ul><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鏈夊彲鑳介�ｇ窔鐨勯洐鏂瑰悓鏅傜櫦璧烽棞闁夛紝闆栫劧姍熺巼閭勮牷浣庣殑錛?/p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP 鍚屾闂滈枆閫ｇ窔嫻佺▼鍦? src="https://2.bp.blogspot.com/-QvO1WNqd01w/Wa5u21Cmx5I/AAAAAAAAcuc/jRp47O6GvSwIffpwcdge21j1_Lfs0kO2ACHMYCw/s780/tcp-simultaneous-close-state-flow.png" title="TCP 鍚屾闂滈枆閫ｇ窔嫻佺▼鍦? style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP 鍚屾闂滈枆閫ｇ窔嫻佺▼鍦?/p></div><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">閫欓倞澶氫竴鍊嬬媭鎱嬶細</p><ul style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">CLOSING錛氱瓑寰呴�ｇ窔闂滈枆鐙�鎱嬶紝絳夊緟閬犵鍥炴噳&nbsp;<em style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">ACK</em></li></ul><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鐣垚 TCP 鐙�鎱嬫祦紼嬪湒鏈冩槸閫欐ǎ錛?/p><div style="margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;"><img alt="TCP Close 鐙�鎱嬪湒" src="https://2.bp.blogspot.com/-VCsQkhIyQGw/Wa5u3IDGhRI/AAAAAAAAcug/plhn7GLFVmUFbXb0DkZ6gE0AZgrRa6MyQCHMYCw/s780/tcp-close-state-diagram.png" title="TCP Close 鐙�鎱嬪湒" style="padding: 0px; margin: 0px auto; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: middle; background: 0px 0px; display: block; max-width: 100%; height: auto;" /></a><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: smaller; vertical-align: baseline; background: 0px 0px; line-height: 1.7em; text-align: center; font-style: italic;">TCP Close 鐙�鎱嬪湒</p></div><h2>鏌ヨ鐝懼湪闆昏叇鐨?TCP 鐙�鎱?/h2><p style="padding: 0px 0px 0.5em; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; line-height: 1.7em; color: #666666; font-family: Roboto, sans-serif;">鏌ヨ鐩墠鎵�鏈夌殑閫ｇ窔鐙�鎱?(Windows &amp; Linux)錛?/p><pre prettyprinted"="" style="padding: 9.5px; margin-top: 0px; margin-bottom: 10px; box-sizing: border-box; border: 1px solid #cccccc; outline: 0px; font-size: 13px; vertical-align: baseline; background: #ffffff; white-space: pre-wrap; line-height: 1.42857; font-family: Menlo, &quot;Bitstream Vera Sans Mono&quot;, &quot;DejaVu Sans Mono&quot;, Monaco, Consolas, monospace; word-break: break-all; overflow-wrap: break-word; color: #333333; border-radius: 4px; overflow: auto;"><code style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; font-size: inherit; vertical-align: baseline; background: 0px 0px transparent; font-family: Menlo, Monaco, Consolas, &quot;Courier New&quot;, monospace; color: inherit; border-radius: 0px;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">netstat </span><span style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">-</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;">a</span></code></pre><h2>Reference</h2><ul style="padding: 0px; margin: 0px 0px 10px; box-sizing: border-box; border: 0px; outline: 0px; font-size: 16px; vertical-align: baseline; background: 0px 0px #ffffff; color: #666666; font-family: Roboto, sans-serif;"><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">TCP states - explained</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">TCP tutorial tcp state diagram for connection establishment closing</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">The TIME-WAIT state in TCP and Its Effect on Busy Servers</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">TCP connection status</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">TCP Operational Overview and the TCP Finite State Machine (FSM)</a></li><li style="padding: 0px; margin: 0px 0px 0px 20px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px;"><a  style="padding: 0px; margin: 0px; box-sizing: border-box; border: 0px; outline: 0px; vertical-align: baseline; background: 0px 0px transparent; color: #337ab7; text-decoration-line: none;">Transmission Control Protocol<br /></a></li></ul><img src ="http://www.tkk7.com/paulwong/aggbug/435758.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/paulwong/" target="_blank">paulwong</a> 2020-12-29 10:04 <a href="http://www.tkk7.com/paulwong/archive/2020/12/29/435758.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                             <footer>
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