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闈㈣瘯蹇呭鍓嶇鍏偂鏂?PDF 涓嬭澆
杞澆鑷細(xì)http://java.python222.com/article/1886
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涓昏鍐呭錛?/strong>
1. HTTP 鍜?HTTPS
1.http 鍜?https 鐨勫熀鏈蹇?/strong>
http: 鏄竴涓鎴風(fēng)鍜屾湇鍔″櫒绔姹傚拰搴旂瓟鐨勬爣鍑嗭紙TCP錛夛紝鐢ㄤ簬浠?nbsp;WWW 鏈嶅姟
鍣ㄤ紶杈撹秴鏂囨湰鍒版湰鍦版祻瑙堝櫒鐨勮秴鏂囨湰浼犺緭鍗忚銆?/span>
https:鏄互瀹夊叏涓虹洰鏍囩殑 HTTP 閫氶亾錛屽嵆 HTTP 涓?鍔犲叆 SSL 灞傝繘琛屽姞瀵嗐€傚叾浣?/span>
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2.http 鍜?https 鐨勫尯鍒強(qiáng)浼樼己鐐癸紵
http 鏄秴鏂囨湰浼犺緭鍗忚錛屼俊鎭槸鏄庢枃浼犺緭錛?/span>HTTPS 鍗忚瑕佹瘮 http 鍗忚瀹夊叏錛?/span>https 鏄?/span>
鍏鋒湁瀹夊叏鎬х殑 ssl 鍔犲瘑浼犺緭鍗忚錛屽彲闃叉鏁版嵁鍦ㄤ紶杈撹繃紼嬩腑琚獌鍙栥€佹敼鍙橈紝紜繚鏁?/span>
鎹殑瀹屾暣鎬?/span>(褰撶劧榪欑瀹夊叏鎬у茍闈炵粷瀵圭殑錛屽浜庢洿娣卞叆鐨?nbsp;Web 瀹夊叏闂錛屾澶勬殏涓?/span>
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http 鍗忚鐨勯粯璁ょ鍙ｄ負(fù) 80錛?/span>https 鐨勯粯璁ょ鍙ｄ負(fù) 443銆?/span>
http 鐨勮繛鎺ュ緢綆€鍗曪紝鏄棤鐘舵€佺殑銆?/span>https 鎻℃墜闃舵姣旇緝璐規(guī)椂錛屼細(xì)浣塊〉闈㈠姞杞芥椂闂村歡
闀?nbsp;50%錛屽鍔?nbsp;10%~20%鐨勮€楃數(shù)銆?/span>
https 緙撳瓨?shù)笉濡?nbsp;http 楂樻晥錛屼細(xì)澧炲姞鏁版嵁寮€閿€銆?/span>
Https 鍗忚闇€瑕?nbsp;ca 璇佷功錛岃垂鐢ㄨ緝楂橈紝鍔熻兘瓚婂己澶х殑璇佷功璐圭敤瓚婇珮銆?/span>
SSL 璇佷功闇€瑕佺粦瀹?nbsp;IP錛屼笉鑳藉啀鍚屼竴涓?nbsp;IP 涓婄粦瀹氬涓煙鍚嶏紝IPV4 璧勬簮鏀寔涓嶄簡(jiǎn)榪欑
娑堣€椼€?/span>
3.https 鍗忚鐨勫伐浣滃師鐞?/strong>
瀹㈡埛绔湪浣跨敤 HTTPS 鏂瑰紡涓?nbsp;Web 鏈嶅姟鍣ㄩ€氫俊鏃舵湁浠ヤ笅鍑犱釜姝ラ錛?/span>
1. 瀹㈡埛绔嬌鐢?nbsp;https url 璁塊棶鏈嶅姟鍣紝鍒欒姹?nbsp;web 鏈嶅姟鍣ㄥ緩绔?nbsp;ssl 閾炬帴銆?/span>
2. web 鏈嶅姟鍣ㄦ帴鏀跺埌瀹㈡埛绔殑璇鋒眰涔嬪悗錛屼細(xì)灝嗙綉绔欑殑璇佷功錛堣瘉涔︿腑鍖呭惈浜?jiǎn)鍏挜锛?jí)錛屼紶杈?/span>
緇欏鎴風(fēng)銆?/span>
3. 瀹㈡埛绔拰 web 鏈嶅姟鍣ㄧ寮€濮嬪崗鍟?nbsp;SSL 閾炬帴鐨勫畨鍏ㄧ瓑綰э紝涔熷氨鏄姞瀵嗙瓑綰с€?/span>
4. 瀹㈡埛绔祻瑙堝櫒閫氳繃鍙屾柟鍗忓晢涓€鑷寸殑瀹夊叏絳夌駭錛屽緩绔嬩細(xì)璇濆瘑閽ワ紝鐒跺悗閫氳繃緗戠珯鐨勫叕閽?/span>
鏉ュ姞瀵嗕細(xì)璇濆瘑閽ワ紝騫朵紶閫佺粰緗戠珯銆?/span>
5. web 鏈嶅姟鍣ㄩ€氳繃鑷繁鐨勭閽ヨВ瀵嗗嚭浼?xì)璇濆瘑閽ャ€?/span>
6. web 鏈嶅姟鍣ㄩ€氳繃浼?xì)璇濆瘑閽ュ姞瀵嗕笌瀹㈡堬L(fēng)涔嬮棿鐨勯€氫俊銆?/span>
TCP 涓夋鎻℃墜
1. 絎竴嬈℃彙鎵嬶細(xì)寤虹珛榪炴帴鏃訛紝瀹㈡埛绔彂閫?nbsp;syn 鍖咃紙syn=j錛夊埌鏈嶅姟鍣紝騫惰繘鍏?nbsp;SYN_SENT
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2. 絎簩嬈℃彙鎵嬶細(xì)鏈嶅姟鍣ㄦ敹鍒?nbsp;syn 鍖呭茍紜瀹㈡埛鐨?nbsp;SYN錛?/span>ack=j+1錛夛紝鍚屾椂涔熷彂閫佷竴涓嚜宸?/span>
鐨?nbsp;SYN 鍖咃紙syn=k錛夛紝鍗?nbsp;SYN+ACK 鍖咃紝姝ゆ椂鏈嶅姟鍣ㄨ繘鍏?nbsp;SYN_RECV 鐘舵€侊紱3. 絎笁嬈℃彙鎵嬶細(xì)瀹㈡埛绔敹鍒版湇鍔″櫒鐨?nbsp;SYN+ACK 鍖咃紝鍚戞湇鍔″櫒鍙戦€佺‘璁ゅ寘 ACK(ack=k+1錛夛紝
姝ゅ寘鍙戦€佸畬姣曪紝瀹㈡埛绔拰鏈嶅姟鍣ㄨ繘鍏?nbsp;ESTABLISHED錛?/span>TCP 榪炴帴鎴愬姛錛夌姸鎬侊紝瀹屾垚涓夋
鎻℃墜銆?/span>
鎻℃墜榪囩▼涓紶閫佺殑鍖呴噷涓嶅寘鍚暟鎹紝涓夋鎻℃墜瀹屾瘯鍚庯紝瀹㈡埛绔笌鏈?/span>
鍔″櫒鎵嶆寮忓紑濮嬩紶閫佹暟鎹€?/span>
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| Java1234瀹樻柟緹?5錛?/td> | 
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| Java1234瀹樻柟緹?5錛?/td> | 838462530 |
鑻忓叕緗戝畨澶?32061202001004鍙?/p>
