{"id":5871,"date":"2017-08-28T13:52:01","date_gmt":"2017-08-28T05:52:01","guid":{"rendered":"https:\/\/sdeno.com\/?p=5871"},"modified":"2024-04-11T13:10:43","modified_gmt":"2024-04-11T05:10:43","slug":"tcpip%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=5871","title":{"rendered":"TCP\/IP\u534f\u8bae"},"content":{"rendered":"

\u7ecf\u5e38\u4f1a\u6709\u4eba\u95ee\u8d77\u4ec0\u4e48\u662fTCP\u534f\u8bae\u3001\u4ec0\u4e48\u662fhttp\u534f\u8bae\u53c8\u6216\u8005\u4ec0\u4e48\u662fUDP\u534f\u8bae\u3002\u5176\u5b9e\u8fd9\u6837\u5355\u4e2a\u95ee\u8d77\u6765\u5c31\u7b97\u5355\u4e2a\u56de\u7b54\u4f60\u4eec\u4e5f\u4e0d\u4f1a\u7406\u89e3\u7684\uff0c\u8fd9\u4e2a\u90fd\u8981\u53bb\u5168\u9762\u89e3\u91ca\u4e00\u4e0b\u624d\u884c\u3002<\/p>\n

\u4ee5\u4e0a\u7684\u90a3\u4e9b\u95ee\u9898\uff0c\u4f46\u662f\u56de\u7b54\u7684\u4eba\u603b\u4f1a\u6709\u4eba\u626f\u5230TCP\/IP\u534f\u8bae\u5e72\u561b\uff1f\u6765\u770b\u770b\u8fd9\u56fe\uff1a<\/p>\n

<\/div>
<\/div><\/div><\/div>\"https:\/\/sdeno.com\/wp-content\/uploads\/2017\/08\/tcp_ip.png\"<\/figure>\n

TCP\/IP\u534f\u8bae\u662f\u4e00\u4e2a\u534f\u8bae\u7c07\u3002\u91cc\u9762\u5305\u62ec\u5f88\u591a\u534f\u8bae\u7684\u3002\u4e4b\u6240\u4ee5\u547d\u540d\u4e3aTCP\/IP\u534f\u8bae\uff0c\u56e0\u4e3aTCP,IP\u534f\u8bae\u662f\u4e24\u4e2a\u5f88\u91cd\u8981\u7684\u534f\u8bae\uff0c\u5c31\u7528\u4ed6\u4e24\u547d\u540d\u4e86\u3002<\/p>\n

(TCP\/IP\u662fInternet\u6700\u57fa\u672c\u7684\u534f\u8bae\u3001Internet\u56fd\u9645\u4e92\u8054\u7f51\u7edc\u7684\u57fa\u7840\uff0c\u7531\u7f51\u7edc\u5c42\u7684IP\u534f\u8bae\u548c\u4f20\u8f93\u5c42\u7684TCP\u534f\u8bae\u7ec4\u6210\u3002TCP\/IP \u5b9a\u4e49\u4e86\u7535\u5b50\u8bbe\u5907\u5982\u4f55\u8fde\u5165\u56e0\u7279\u7f51\uff0c\u4ee5\u53ca\u6570\u636e\u5982\u4f55\u5728\u5b83\u4eec\u4e4b\u95f4\u4f20\u8f93\u7684\u6807\u51c6\u3002\u534f\u8bae\u91c7\u7528\u4e864\u5c42\u7684\u5c42\u7ea7\u7ed3\u6784\uff0c\u6bcf\u4e00\u5c42\u90fd\u547c\u53eb\u5b83\u7684\u4e0b\u4e00\u5c42\u6240\u63d0\u4f9b\u7684\u534f\u8bae\u6765\u5b8c\u6210\u81ea\u5df1\u7684\u9700\u6c42\u3002\u901a\u4fd7\u800c\u8a00\uff1aTCP\u8d1f\u8d23\u53d1\u73b0\u4f20\u8f93\u7684\u95ee\u9898\uff0c\u4e00\u6709\u95ee\u9898\u5c31\u53d1\u51fa\u4fe1\u53f7\uff0c\u8981\u6c42\u91cd\u65b0\u4f20\u8f93\uff0c\u76f4\u5230\u6240\u6709\u6570\u636e\u5b89\u5168\u6b63\u786e\u5730\u4f20\u8f93\u5230\u76ee\u7684\u5730\u3002\u800cIP\u662f\u7ed9\u56e0\u7279\u7f51\u7684\u6bcf\u4e00\u53f0\u8054\u7f51\u8bbe\u5907\u89c4\u5b9a\u4e00\u4e2a\u5730\u5740\u3002)<\/p>\n

\u4e0a\u9762\u90a3\u6bb5\u8bdd\u6211\u7528\u901a\u4fd7\u7684\u8bdd\u6765\u89e3\u91ca\u5c31\u662f\uff1a\b2\u53f0\u6216\u80052\u53f0\u4ee5\u4e0a\u7684\u7535\u5b50\u8bbe\u5907\u9700\u8981\u8fdb\u884c\u6570\u636e\u901a\u4fe1<\/span>\uff0c\u90a3\u4e48\u5c31\u8981\u9075\u5b88\u4e00\u4e2a\u7edf\u4e00\u89c4\u5219\u5c31\u662fTCP\/IP\u89c4\u5219\uff0c\u4e0d\u7136\u5927\u5bb6\u90fd\u4f1a\u4e71\u5957\u3002\u8fd9\u4e2a\u89c4\u5219\u91cc\u9762\u53c8\u5206\u4e864\u4e2a\u4e0d\u540c\u4efb\u52a1\u6267\u884c\uff0c\u76f4\u5230\u628a\u6570\u636e\u5b8c\u6574\u7684\u4f20\u9001\u5230\u53e6\u4e00\u53f0\u8bbe\u5907\u4e0a\u3002<\/p>\n

 <\/p>\n

\u4e0b\u56fe\u662f\u4e24\u4e2a\u7535\u5b50\u8bbe\u5907\u901a\u8baf\u7684\u6d41\u7a0b\u56fe\uff1a<\/p>\n

<\/div>
<\/div><\/div><\/div>\"https:\/\/sdeno.com\/wp-content\/uploads\/2017\/08\/tcp_ip2.jpg\"<\/figure>\n

\u6bcf\u4e2a\u5e94\u7528\u5c42\u4e4b\u95f4\u7684\u5de5\u4f5c\u5173\u7cfb\uff1a\u603b\u800c\u8a00\u4e4b\uff0c\u53d1\u9001\u6570\u636e\u65f6\u9700\u8981\u81ea\u4e0a\u800c\u4e0b\uff0c\u5c42\u5c42\u5c01\u88c5\u3002\u63a5\u6536\u6570\u636e\u65f6\u9700\u8981\u81ea\u4e0b\u800c\u4e0a\uff0c\u5c42\u5c42\u62c6\u5c01\u3002<\/p>\n

 <\/p>\n

\n

TCP<\/h2>\n

\u4ee5\u4e0a\u7684\u56fe\u89e3\u548c\u8bf4\u660e\u90fd\u662f\u603b\u4f53\u3001\u5927\u6982\u7684\u89e3\u91ca\u5de5\u4f5c\u6d41\u7a0b\u800c\u5df2\uff0c\u8bf4\u5230\u5e95\u4e0d\u7ba1\u662fFTP\u534f\u8bae\u8fd8\u662fHTTP\u534f\u8bae\u90fd\u8981\u7528\u5230TCP\u534f\u8bae\u548cIP\uff0c\u8fd9\u91cc\u5c31\u89e3\u91ca\u4e00\u4e0b\uff1a<\/p>\n

TCP\u534f\u8bae\uff1a\u4e3a\u4e86\u5c06\u6570\u636e\u5b8c\u6574\u5e76\u53ef\u9760\u7684\u4f20\u7ed9\u5bf9\u65b9\uff0c\u5c31\u4f7f\u7528 TCP\u534f\u8bae\u3002\u5728\u6b64\u4e4b\u95f4\u5c31\u8981\u5efa\u7acb\u53ef\u9760\u7684\u8fde\u63a5\uff0c\u90a3\u4e48\u5c31\u8981\u8fdb\u884c3\u6b21\u5bf9\u8bdd\uff1aTCP\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b<\/p>\n

tcp\u4e3a\u4e86\u628a\u5927\u6570\u636e\u4f20\u7ed9\u5bf9\u65b9\uff0c\u6240\u4ee5\u8981\u628a\u6570\u636e\u5207\u5272\u4e3a\u4e00\u70b9\u70b9\u8fdb\u884c\u4f20\u9001\uff0c\u8fd9\u6837\u624d\u80fd\u4fdd\u8bc1\u5b8c\u6574\u3002<\/p>\n

1\u00a0\u4e3b\u673aA\u901a\u8fc7\u5411\u4e3b\u673aB \u53d1\u9001\u4e00\u4e2a\u542b\u6709\u540c\u6b65\u5e8f\u5217\u53f7\u7684\u6807\u5fd7\u4f4d\u7684\u6570\u636e\u6bb5\u7ed9\u4e3b\u673aB ,\u5411\u4e3b\u673aB \u8bf7\u6c42\u5efa\u7acb\u8fde\u63a5,\u901a\u8fc7\u8fd9\u4e2a\u6570\u636e\u6bb5,<\/span>
\n\u4e3b\u673aA\u544a\u8bc9\u4e3b\u673aB \u4e24\u4ef6\u4e8b:\u6211\u60f3\u8981\u548c\u4f60\u901a\u4fe1;\u4f60\u53ef\u4ee5\u7528\u54ea\u4e2a\u5e8f\u5217\u53f7\u4f5c\u4e3a\u8d77\u59cb\u6570\u636e\u6bb5\u6765\u56de\u5e94\u6211. (A\u5bf9B\u8bf4\uff0c\u6211\u8981\u5411\u4f60\u53d1\u4e1c\u897f\u4e86\uff0c\u63d0\u524d\u6253\u4e2a\u62db\u547c)<\/span><\/p>\n

2\u00a0\u4e3b\u673aB\u00a0\u6536\u5230\u4e3b\u673aA\u7684\u8bf7\u6c42\u540e,\u7528\u4e00\u4e2a\u5e26\u6709\u786e\u8ba4\u5e94\u7b54(ACK)\u548c\u540c\u6b65\u5e8f\u5217\u53f7(SYN)\u6807\u5fd7\u4f4d\u7684\u6570\u636e\u6bb5\u54cd\u5e94\u4e3b\u673aA,\u4e5f\u544a\u8bc9\u4e3b\u673aA\u4e24\u4ef6\u4e8b:<\/span>
\n\u6211\u5df2\u7ecf\u6536\u5230\u4f60\u7684\u8bf7\u6c42\u4e86,\u4f60\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u4e86;\u4f60\u8981\u7528\u54ea\u4f67\u5e8f\u5217\u53f7\u4f5c\u4e3a\u8d77\u59cb\u6570\u636e\u6bb5\u6765\u56de\u5e94\u6211\uff0c(B\u5bf9A\u8bf4\uff0c\u597d\u4f60\u53d1\u5427\uff0c\u6211\u51c6\u5907\u597d\u4e86)<\/span><\/p>\n

3\u00a0\u4e3b\u673aA\u6536\u5230\u8fd9\u4e2a\u6570\u636e\u6bb5\u540e,\u518d\u53d1\u9001\u4e00\u4e2a\u786e\u8ba4\u5e94\u7b54,\u786e\u8ba4\u5df2\u6536\u5230\u4e3b\u673aB \u7684\u6570\u636e\u6bb5:”\u6211\u5df2\u6536\u5230\u56de\u590d,\u6211\u73b0\u5728\u8981\u5f00\u59cb\u4f20\u8f93\u5b9e\u9645\u6570\u636e\u4e86<\/span>
\n\u8fd9\u68373\u6b21\u63e1\u624b\u5c31\u5b8c\u6210\u4e86,\u4e3b\u673aA\u548c\u4e3b\u673aB \u5c31\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u4e86.(A\u5bf9B\u8bf4\uff0c\u6211\u73b0\u5728\u5f00\u59cb\u53d1)<\/span><\/p>\n

3\u6b21\u63e1\u624b\u7684\u7279\u70b9
\n\u6ca1\u6709\u5e94\u7528\u5c42\u7684\u6570\u636e
\nSYN\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u53ea\u6709\u5728TCP\u5efa\u4ea7\u8fde\u63a5\u65f6\u624d\u4f1a\u88ab\u7f6e1
\n\u63e1\u624b\u5b8c\u6210\u540eSYN\u6807\u5fd7\u4f4d\u88ab\u7f6e0<\/p>\n

 <\/p>\n

 <\/p>\n

TCP\u5efa\u7acb\u8fde\u63a5\u8981\u8fdb\u884c3\u6b21\u63e1\u624b,\u800c\u65ad\u5f00\u8fde\u63a5\u8981\u8fdb\u884c4\u6b21<\/p>\n

A:\u6570\u636e\u4f20\u5b8c\u4e86\uff0c\u53ef\u4ee5\u505c\u6b62\u5417\uff1f<\/span><\/p>\n

B:\u6d88\u606f\u6536\u5230\uff0c\u4f46\u662f\u6211\u8fd8\u6ca1\u6709\u51c6\u5907\u597d\uff0c\u8bf7\u7a0d\u7b49\uff01<\/span><\/p>\n

B:\u597d\u4e86\uff0c\u53ef\u4ee5\u505c\u6b62\u4e86\u3002<\/span><\/p>\n

A:\u597d\u7684\uff0c\u8fc7\u4e00\u4f1a\u513f\u6ca1\u6709\u6d88\u606f\u6211\u5c31\u5173\u95ed\u5566\u3002<\/span><\/p>\n

 <\/p>\n

1\u00a0\u5f53\u4e3b\u673aA\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u540e,\u5c06\u63a7\u5236\u4f4dFIN\u7f6e1,\u63d0\u51fa\u505c\u6b62TCP\u8fde\u63a5\u7684\u8bf7\u6c42
\n2\u00a0\u00a0\u4e3b\u673aB\u6536\u5230FIN\u540e\u5bf9\u5176\u4f5c\u51fa\u54cd\u5e94,\u786e\u8ba4\u8fd9\u4e00\u65b9\u5411\u4e0a\u7684TCP\u8fde\u63a5\u5c06\u5173\u95ed,\u5c06ACK\u7f6e1
\n3\u00a0\u7531B\u00a0\u7aef\u518d\u63d0\u51fa\u53cd\u65b9\u5411\u7684\u5173\u95ed\u8bf7\u6c42,\u5c06FIN\u7f6e1
\n4\u00a0\u4e3b\u673aA\u5bf9\u4e3b\u673aB\u7684\u8bf7\u6c42\u8fdb\u884c\u786e\u8ba4,\u5c06ACK\u7f6e1,\u53cc\u65b9\u5411\u7684\u5173\u95ed\u7ed3\u675f.
\n\u7531TCP\u7684\u4e09\u6b21\u63e1\u624b\u548c\u56db\u6b21\u65ad\u5f00\u53ef\u4ee5\u770b\u51fa,TCP\u4f7f\u7528\u9762\u5411\u8fde\u63a5\u7684\u901a\u4fe1\u65b9\u5f0f,\u5927\u5927\u63d0\u9ad8\u4e86\u6570\u636e\u901a\u4fe1\u7684\u53ef\u9760\u6027,\u4f7f\u53d1\u9001\u6570\u636e\u7aef
\n\u548c\u63a5\u6536\u7aef\u5728\u6570\u636e\u6b63\u5f0f\u4f20\u8f93\u524d\u5c31\u6709\u4e86\u4ea4\u4e92,\u4e3a\u6570\u636e\u6b63\u5f0f\u4f20\u8f93\u6253\u4e0b\u4e86\u53ef\u9760\u7684\u57fa\u7840<\/p>\n

 <\/p>\n

ACK \uff1a TCP\u62a5\u5934\u7684\u63a7\u5236\u4f4d\u4e4b\u4e00,\u5bf9\u6570\u636e\u8fdb\u884c\u786e\u8ba4.\u786e\u8ba4\u7531\u76ee\u7684\u7aef\u53d1\u51fa,\u7528\u5b83\u6765\u544a\u8bc9\u53d1\u9001\u7aef\u8fd9\u4e2a\u5e8f\u5217\u53f7\u4e4b\u524d\u7684\u6570\u636e\u6bb5
\n\u90fd\u6536\u5230\u4e86.\u6bd4\u5982,\u786e\u8ba4\u53f7\u4e3aX,\u5219\u8868\u793a\u524dX-1\u4e2a\u6570\u636e\u6bb5\u90fd\u6536\u5230\u4e86,\u53ea\u6709\u5f53ACK=1\u65f6,\u786e\u8ba4\u53f7\u624d\u6709\u6548,\u5f53ACK=0\u65f6,\u786e\u8ba4\u53f7\u65e0\u6548,\u8fd9\u65f6\u4f1a\u8981\u6c42\u91cd\u4f20\u6570\u636e,\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027.
\nSYN \uff1a \u540c\u6b65\u5e8f\u5217\u53f7,TCP\u5efa\u7acb\u8fde\u63a5\u65f6\u5c06\u8fd9\u4e2a\u4f4d\u7f6e1
\nFIN \uff1a \u53d1\u9001\u7aef\u5b8c\u6210\u53d1\u9001\u4efb\u52a1\u4f4d,\u5f53TCP\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u9700\u8981\u65ad\u5f00\u65f6,\u63d0\u51fa\u65ad\u5f00\u8fde\u63a5\u7684\u4e00\u65b9\u5c06\u8fd9\u4f4d\u7f6e1<\/p>\n

 <\/p>\n

UDP<\/h2>\n

\u7b80\u5355\u8bf4\u4e0b\u5373\u53ef\uff1aUDP\u662f\u4e00\u4e2a\u975e\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u5b83\u4e0d\u4e0e\u5bf9\u65b9\u5efa\u7acb\u8fde\u63a5\uff0c\u800c\u662f\u76f4\u63a5\u5c31\u628a\u6570\u636e\u5305\u53d1\u9001\u8fc7\u53bb\uff0c\u4f20\u8f93\u6570\u636e\u5feb\uff0c\u4f46\u6570\u636e\u5bb9\u6613\u4e22\u5931\u3002<\/p>\n

\u6211\u4eec\u7ecf\u5e38\u4f7f\u7528\u201cping\u201d\u547d\u4ee4\u6765\u6d4b\u8bd5\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4TCP\/IP\u901a\u4fe1\u662f\u5426\u6b63\u5e38\uff0c\u5176\u5b9e\u201cping\u201d\u547d\u4ee4\u7684\u539f\u7406\u5c31\u662f\u5411\u5bf9\u65b9\u4e3b\u673a\u53d1\u9001UDP\u6570\u636e\u5305\uff0c\u7136\u540e\u5bf9\u65b9\u4e3b\u673a\u786e\u8ba4\u6536\u5230\u6570\u636e\u5305\uff0c\u5982\u679c\u6570\u636e\u5305\u662f\u5426\u5230\u8fbe\u7684\u6d88\u606f\u53ca\u65f6\u53cd\u9988\u56de\u6765\uff0c\u90a3\u4e48\u7f51\u7edc\u5c31\u662f\u901a\u7684\u3002<\/p>\n

 <\/p>\n

TCP\u4e0eUDP\u533a\u522b<\/strong><\/p>\n\n\n\n\n\n\n\n
<\/td>\nTCP<\/td>\nUDP<\/td>\n<\/tr>\n
\u662f\u5426\u8fde\u63a5<\/td>\n\u9762\u5411\u8fde\u63a5<\/td>\n\u9762\u5411\u975e\u8fde\u63a5<\/td>\n<\/tr>\n
\u4f20\u8f93\u53ef\u9760\u6027<\/td>\n\u53ef\u9760\u7684<\/td>\n\u4e0d\u53ef\u9760\u7684<\/td>\n<\/tr>\n
\u5e94\u7528\u573a\u5408<\/td>\n\u4f20\u8f93\u5927\u91cf\u7684\u6570\u636e<\/td>\n\u5c11\u91cf\u6570\u636e<\/td>\n<\/tr>\n
\u901f\u5ea6<\/td>\n\u6162<\/td>\n\u5feb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

IP\u534f\u8bae<\/h2>\n

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 <\/p>\n

\u53c2\u8003\u6587\u7ae0\uff1a<\/p>\n

http:\/\/www.cnblogs.com\/roverliang\/p\/5176456.html<\/a><\/p>\n

http:\/\/blog.csdn.net\/u014682691\/article\/details\/52061646<\/a><\/p>\n

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

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