{"id":34174,"date":"2025-04-29T08:16:01","date_gmt":"2025-04-29T00:16:01","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/34174.html"},"modified":"2025-04-29T08:16:01","modified_gmt":"2025-04-29T00:16:01","slug":"linux%ef%bc%9atcp%e4%bf%9d%e8%af%81%e5%8f%af%e9%9d%a0%e6%80%a7%e7%9a%84%e6%96%b9%e6%a1%88%ef%bc%882%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/34174.html","title":{"rendered":"Linux\uff1aTCP\u4fdd\u8bc1\u53ef\u9760\u6027\u7684\u65b9\u6848\uff082\uff09"},"content":{"rendered":"<h2 style=\"text-align:center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"304\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001554-68101a3a9cf83.gif\" width=\"592\" \/><\/h2>\n<h2>\u4e00\u3001\u5ef6\u8fdf\u5e94\u7b54<\/h2>\n<p><span style=\"color:#fe2c24\">\u5982\u679c\u63a5\u6536\u6570\u636e\u7684\u4e3b\u673a\u7acb\u523b\u8fd4\u56deACK\u5e94\u7b54, \u8fd9\u65f6\u5019\u8fd4\u56de\u7684\u7a97\u53e3\u53ef\u80fd\u6bd4\u8f83\u5c0f.<\/span><\/p>\n<p>&#xff08;1&#xff09;\u5047\u8bbe\u63a5\u6536\u7aef\u7f13\u51b2\u533a\u4e3a1M. \u4e00\u6b21\u6536\u5230\u4e86500K\u7684\u6570\u636e; \u5982\u679c\u7acb\u523b\u5e94\u7b54, \u8fd4\u56de\u7684\u7a97\u53e3\u5c31\u662f500K;<\/p>\n<p>&#xff08;2&#xff09;\u4f46\u5b9e\u9645\u4e0a\u53ef\u80fd\u5904\u7406\u7aef\u5904\u7406\u7684\u901f\u5ea6\u5f88\u5feb, 10ms\u4e4b\u5185\u5c31\u628a500K\u6570\u636e\u4ece\u7f13\u51b2\u533a\u6d88\u8d39\u6389\u4e86;<\/p>\n<p>&#xff08;3&#xff09;\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b, \u63a5\u6536\u7aef\u5904\u7406\u8fd8\u8fdc\u6ca1\u6709\u8fbe\u5230\u81ea\u5df1\u7684\u6781\u9650, \u5373\u4f7f\u7a97\u53e3\u518d\u653e\u5927\u4e00\u4e9b, \u4e5f\u80fd\u5904\u7406\u8fc7\u6765;<\/p>\n<p>&#xff08;4&#xff09;\u5982\u679c\u63a5\u6536\u7aef\u7a0d\u5fae\u7b49\u4e00\u4f1a\u518d\u5e94\u7b54, \u6bd4\u5982\u7b49\u5f85200ms\u518d\u5e94\u7b54, \u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u8fd4\u56de\u7684\u7a97\u53e3\u5927\u5c0f\u5c31\u662f1M;<\/p>\n<p>\u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">\u6839\u636e\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784&#xff0c;\u7f51\u5361\u4e5f\u7b97\u662f\u5916\u8bbe&#xff0c;\u6240\u4ee5\u6309\u9053\u7406\u6765\u8bf4\u53d1\u9001\u65b9\u53d1\u9001\u66f4\u591a\u7684\u6570\u636e&#xff0c;\u53d1\u9001\u7684\u6548\u7387\u4e5f\u5c31\u66f4\u9ad8&#xff01;&#xff01;\u7a97\u53e3\u8d8a\u5927, \u7f51\u7edc\u541e\u5410\u91cf\u5c31\u8d8a\u5927, \u4f20\u8f93\u6548\u7387\u5c31\u8d8a\u9ad8. \u6211\u4eec\u7684\u76ee\u6807\u662f\u5728\u4fdd\u8bc1\u7f51\u7edc\u4e0d\u62e5\u585e\u7684\u60c5\u51b5\u4e0b\u5c3d\u91cf\u63d0\u9ad8\u4f20\u8f93\u6548\u7387<\/span>&#xff01;<\/p>\n<p>\u00a0\u95ee\u98981&#xff1a;\u6240\u6709\u5305\u90fd\u53ef\u4ee5\u5ef6\u8fdf\u5e94\u7b54\u5417&#xff1f;&#xff1f;&#xff1f;<\/p>\n<p>\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u80af\u5b9a\u4e0d\u662f&#xff01;&#xff01;&#xff08;1&#xff09;\u6570\u91cf\u9650\u5236: \u6bcf\u9694N\u4e2a\u5305\u5c31\u5e94\u7b54\u4e00\u6b21; &#xff08;2&#xff09;\u65f6\u95f4\u9650\u5236: \u8d85\u8fc7\u6700\u5927\u5ef6\u8fdf\u65f6\u95f4\u5c31\u5e94\u7b54\u4e00\u6b21;\u5177\u4f53\u7684\u6570\u91cf\u548c\u8d85\u65f6\u65f6\u95f4, \u4f9d\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u540c\u4e5f\u6709\u5dee\u5f02; \u4e00\u822cN\u53d62, \u8d85\u65f6\u65f6\u95f4\u53d6200ms;<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"611\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001555-68101a3b0dae0.png\" width=\"1115\" \/><\/p>\n<p>\u95ee\u98982&#xff1a;\u6211\u4eec\u7528\u6237\u5c42\u53ef\u4ee5\u600e\u4e48\u505a&#xff1f;<\/p>\n<p>\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u867d\u7136\u5ef6\u8fdf\u53d1\u9001\u65f6TCP\u53bb\u505a\u7684&#xff0c;\u4f46\u662f\u6211\u4eec\u80fd\u505a\u7684\u5c31\u662f\u5c3d\u5feb\u5c06\u6570\u636e\u4ece\u7f13\u51b2\u533a\u62ff\u4e0a\u53bb&#xff0c;\u6bd4\u8f83\u63a8\u8350\u7684\u505a\u6cd5\u5c31\u662f\u6bcf\u6b21\u90fd\u5c3d\u5feb\u901a\u8fc7read\u3001recv\u628a\u6570\u636e\u4ece\u5185\u6838\u4e2d\u62ff\u4e0a\u53bb&#xff0c;\u8fd9\u6837tcp\u5c31\u80fd\u5728\u5e95\u5c42\u7ed9\u5bf9\u65b9\u66f4\u65b0\u66f4\u5927\u7684\u7a97\u53e3&#xff0c;\u8ba9\u53d1\u9001\u65b9\u7684\u4f20\u9001\u62a5\u6587\u6548\u7387\u53d8\u9ad8&#xff0c;\u8fd9\u6837\u901a\u4fe1\u6548\u7387\u4e5f\u5c31\u53d8\u9ad8\u4e86&#xff01;<\/span>&#xff01;\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"329\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001555-68101a3b7726c.png\" width=\"1200\" \/><\/p>\n<p><span style=\"color:#fe2c24\">\u6240\u4ee5\u5ef6\u8fdf\u5e94\u7b54\u5176\u5b9e\u662f\u4e00\u4e2a\u535a\u6982\u7387\u7684\u65b9\u6cd5&#xff0c;\u8d4c\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u4e0a\u5c42\u53ef\u4ee5\u628a\u6570\u636e\u90fd\u5237\u8d70\u00a0<\/span><\/p>\n<h2>\u4e8c\u3001\u62e5\u585e\u63a7\u5236<\/h2>\n<p>\u00a0 \u00a0 <span style=\"color:#fe2c24\">\u00a0 \u00a0\u867d\u7136TCP\u6709\u4e86\u6ed1\u52a8\u7a97\u53e3\u8fd9\u4e2a\u5927\u6740\u5668, \u80fd\u591f\u9ad8\u6548\u53ef\u9760\u7684\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e. \u4f46\u662f\u5982\u679c\u5728\u521a\u5f00\u59cb\u9636\u6bb5\u5c31\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e, \u4ecd\u7136\u53ef\u80fd\u5f15\u53d1\u95ee\u9898.<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0\u56e0\u4e3a\u7f51\u7edc\u4e0a\u6709\u5f88\u591a\u7684\u8ba1\u7b97\u673a, \u53ef\u80fd\u5f53\u524d\u7684\u7f51\u7edc\u72b6\u6001\u5c31\u5df2\u7ecf\u6bd4\u8f83\u62e5\u5835. \u5728\u4e0d\u6e05\u695a\u5f53\u524d\u7f51\u7edc\u72b6\u6001\u4e0b, \u8d38\u7136\u53d1\u9001\u5927\u91cf\u7684\u6570\u636e,\u662f\u5f88\u6709\u53ef\u80fd\u5f15\u8d77\u96ea\u4e0a\u52a0\u971c\u7684.<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u4e24\u7aef\u7684\u673a\u5668\u867d\u7136\u53ef\u4ee5\u5bf9\u7f51\u7edc\u505a\u8bc4\u4f30&#xff0c;\u4f46\u662f\u5f88\u96be\u53bb\u5bf9\u7f51\u7edc\u505a\u4ec0\u4e48&#xff0c;\u6240\u4ee5TCP\u4e5f\u8003\u8651\u4e86\u7f51\u7edc\u65b9\u9762\u7684\u7b56\u7565&#xff0c;\u56e0\u4e3a\u5c31\u7b97\u4f60\u5f97\u77e5\u5bf9\u65b9\u7684\u63a5\u6536\u80fd\u529b\u5f88\u5f3a&#xff0c;\u4e5f\u5e76\u4e0d\u4ee3\u8868\u73b0\u5728\u7f51\u7edc\u975e\u5e38\u597d&#xff01;&#xff01;\u00a0<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0\u800c\u51e0\u4e4e\u6240\u6709\u7684\u65b9\u6848\u90fd\u662f\u5728\u4e24\u7aef\u673a\u5668\u4e0a\u8fdb\u884c\u7684&#xff0c;\u6240\u4ee5TCP\u66ff\u6211\u4eec\u8003\u8651\u4e86\u7f51\u7edc\u7684\u60c5\u51b5&#xff01;&#xff01;<\/span><\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"344\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001555-68101a3bbfe3d.png\" width=\"483\" \/><\/p>\n<\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0\u6240\u4ee5\u00a0TCP\u5f15\u5165<\/span><span style=\"color:#ff9900\">\u6162\u542f\u52a8<\/span><span style=\"color:#fe2c24\">\u673a\u5236, \u5148\u53d1\u5c11\u91cf\u7684\u6570\u636e, \u63a2\u63a2\u8def, \u6478\u6e05\u5f53\u524d\u7684\u7f51\u7edc\u62e5\u5835\u72b6\u6001, \u518d\u51b3\u5b9a\u6309\u7167\u591a\u5927\u7684\u901f\u5ea6\u4f20\u8f93\u6570\u636e;<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"867\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001555-68101a3bee566.png\" width=\"1089\" \/><\/p>\n<p>\u6b64\u5904\u5f15\u5165\u4e00\u4e2a\u6982\u5ff5\u7a0b\u4e3a\u62e5\u585e\u7a97\u53e3<\/p>\n<p>\u53d1\u9001\u5f00\u59cb\u7684\u65f6\u5019, \u5b9a\u4e49\u62e5\u585e\u7a97\u53e3\u5927\u5c0f\u4e3a1;<\/p>\n<p>\u6bcf\u6b21\u6536\u5230\u4e00\u4e2aACK\u5e94\u7b54, \u62e5\u585e\u7a97\u53e3\u52a01;<\/p>\n<p>\u6bcf\u6b21\u53d1\u9001\u6570\u636e\u5305\u7684\u65f6\u5019, \u5c06\u62e5\u585e\u7a97\u53e3\u548c\u63a5\u6536\u7aef\u4e3b\u673a\u53cd\u9988\u7684\u7a97\u53e3\u5927\u5c0f\u505a\u6bd4\u8f83, \u53d6\u8f83\u5c0f\u7684\u503c\u4f5c\u4e3a\u5b9e\u9645\u53d1\u9001\u7684\u7a97\u53e3;<\/p>\n<p>\u00a0\u50cf\u4e0a\u9762\u8fd9\u6837\u7684\u62e5\u585e\u7a97\u53e3\u589e\u957f\u901f\u5ea6, \u662f\u6307\u6570\u7ea7\u522b\u7684. &#034;\u6162\u542f\u52a8&#034; \u53ea\u662f\u6307\u521d\u4f7f\u65f6\u6162, \u4f46\u662f\u589e\u957f\u901f\u5ea6\u975e\u5e38\u5feb.<\/p>\n<p>\u4e3a\u4e86\u4e0d\u589e\u957f\u7684\u90a3\u4e48\u5feb, \u56e0\u6b64\u4e0d\u80fd\u4f7f\u62e5\u585e\u7a97\u53e3\u5355\u7eaf\u7684\u52a0\u500d.<\/p>\n<p>\u6b64\u5904\u5f15\u5165\u4e00\u4e2a\u53eb\u505a\u6162\u542f\u52a8\u7684\u9608\u503c<\/p>\n<p>\u5f53\u62e5\u585e\u7a97\u53e3\u8d85\u8fc7\u8fd9\u4e2a\u9608\u503c\u7684\u65f6\u5019, \u4e0d\u518d\u6309\u7167\u6307\u6570\u65b9\u5f0f\u589e\u957f, \u800c\u662f\u6309\u7167\u7ebf\u6027\u65b9\u5f0f\u589e\u957f<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"356\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001556-68101a3c87128.png\" width=\"775\" \/><\/p>\n<p>\u5f53TCP\u5f00\u59cb\u542f\u52a8\u7684\u65f6\u5019, \u6162\u542f\u52a8\u9608\u503c\u7b49\u4e8e\u7a97\u53e3\u6700\u5927\u503c;<\/p>\n<p>\u5728\u6bcf\u6b21\u8d85\u65f6\u91cd\u53d1\u7684\u65f6\u5019, \u6162\u542f\u52a8\u9608\u503c\u4f1a\u53d8\u6210\u539f\u6765\u7684\u4e00\u534a, \u540c\u65f6\u62e5\u585e\u7a97\u53e3\u7f6e\u56de1;<\/p>\n<p>\u95ee\u98981&#xff1a;\u96be\u9053\u7f51\u7edc\u62e5\u585e\u662f\u56e0\u4e3a\u6211\u53d1\u4e86\u6570\u636e\u5417&#xff1f;&#xff1f;\u6211\u5c11\u53d1\u4e86\u7f51\u7edc\u5c31\u80fd\u597d\u4e86\u5417&#xff1f;&#xff1f;<\/p>\n<p>\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u5176\u5b9e\u6211\u4eec\u7684\u7f51\u7edc\u8d44\u6e90\u5c5e\u4e8e\u5171\u4eab\u8d44\u6e90&#xff0c;\u7f51\u7edc\u5f71\u54cd\u5927\u5bb6\u7684\u901a\u4fe1&#xff0c;\u5e76\u4e14\u5927\u5bb6\u7528\u7684\u662ftcp ip\u534f\u8bae&#xff0c;\u6240\u4ee5\u5927\u5bb6\u90fd\u5c11\u53d1\u4e86\u7f51\u7edc\u5c31\u80fd\u53d8\u597d<\/span>&#xff01;<\/p>\n<p>\u95ee\u98982&#xff1a;\u673a\u5668\u600e\u4e48\u5224\u65ad\u5f53\u524d\u7f51\u7edc\u5c5e\u4e8e\u62e5\u585e\u5462&#xff1f;&#xff1f;\u6240\u6709\u7684\u673a\u5668\u90fd\u4f1a\u5ef6\u8fdf\u963b\u585e\u7684\u51b3\u7b56\u4e48&#xff1f;<\/p>\n<p>\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u8981\u6ce8\u610f\u4e0d\u662f\u7f51\u7edc\u4e00\u65e6\u62e5\u585e\u4e86&#xff0c;\u5927\u5bb6\u90fd\u80fd\u7acb\u5373\u505a\u51fa\u62e5\u585e\u63a7\u5236\u7684\u51b3\u7b56,\u53ef\u80fd\u5176\u4e2d\u4e00\u90e8\u5206\u53ea\u6709\u5927\u91cf\u4e22\u5305&#xff0c;\u90a3\u4e48\u4ed6\u624d\u4f1a\u5224\u5b9a\u4e3a\u7f51\u7edc\u963b\u585e&#xff0c;\u800c\u5176\u4ed6\u5c11\u91cf\u4e22\u5305\u7684\u673a\u5668\u662f\u611f\u77e5\u4e0d\u6765\u7684&#xff08;\u53ea\u4f1a\u8fdb\u884c\u8d85\u65f6\u91cd\u4f20&#xff09;&#xff0c;\u7f51\u7edc\u62e5\u585e\u8d8a\u4e25\u91cd\u5c31\u4f1a\u8ba9\u8d8a\u591a\u7684\u4e3b\u673a\u52a0\u5165\u5230\u62e5\u585e\u63a7\u5236\u7684\u8fc7\u7a0b\u4e2d<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0 \u00a0 \u4f60\u4eec\u53bb\u63a7\u5236\u4e86 \u4e0d\u4ee3\u8868\u6211\u5c31\u5f97\u63a7\u5236&#xff0c;\u5982\u679c\u56e0\u4e3a\u4f60\u4eec\u7684\u63a7\u5236\u4f7f\u5f97\u7f51\u7edc\u72b6\u51b5\u53d8\u597d\u4e86&#xff0c;\u90a3\u4e48\u6211\u4e5f\u4f1a\u6b63\u5e38\u901a\u4fe1\u3002\u6240\u4ee5\u6211\u4eec\u4f1a\u53d1\u73b0\u5176\u5b9e\u7f51\u7edc\u62e5\u585e\u662f\u535a\u6982\u7387\u7684&#xff0c;\u662f\u81ea\u9002\u5e94\u7684<\/span>&#xff01;&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"278\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001556-68101a3cc2109.png\" width=\"1200\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">TCP\u534f\u8bae\u8ba9\u591a\u4e3b\u673a\u9762\u5bf9\u7f51\u7edc\u65f6\u505a\u51fa\u62e5\u585e\u63a7\u5236\u7684\u51b3\u7b56\u662f\u201c\u5171\u8bc6\u201d&#xff01;&#xff01;<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"402\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001557-68101a3d1182c.png\" width=\"1082\" \/><\/p>\n<p>\u95ee\u98983&#xff1a;\u4f1a\u4e00\u76f4\u6307\u6570\u589e\u957f\u5417&#xff1f;&#xff1f;<\/p>\n<p>\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u4e0d\u4f1a\u4e00\u76f4\u6307\u6570\u589e\u957f&#xff0c;\u8be5\u56fe\u7684\u524d\u63d0\u662f\u62e5\u585e\u8d77\u6548\u679c\u4e86\u624d\u4f1a\u5efa\u7acb\u8d77\u6765&#xff01;\u5982\u679c\u6ca1\u6709\u62e5\u585e\u7684\u8bdd\u662f\u4ee5\u5bf9\u65b9\u7684\u63a5\u53d7\u80fd\u529b\u4e3a\u4e3b\u7684\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"558\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001557-68101a3d5ffe2.png\" width=\"1004\" \/><\/p>\n<p>\u00a0 \u00a0 <span style=\"color:#fe2c24\">\u00a0 \u00a0\u62e5\u585e\u63a7\u5236, \u5f52\u6839\u7ed3\u5e95\u662fTCP\u534f\u8bae\u60f3\u5c3d\u53ef\u80fd\u5feb\u7684\u628a\u6570\u636e\u4f20\u8f93\u7ed9\u5bf9\u65b9, \u4f46\u662f\u53c8\u8981\u907f\u514d\u7ed9\u7f51\u7edc\u9020\u6210\u592a\u5927\u538b\u529b\u7684\u6298\u4e2d\u65b9\u6848.<\/span> \u00a0<\/p>\n<p>\u95ee\u98984&#xff1a;\u8fd9\u4e2a\u9608\u503c\u8981\u51cf\u534a\u5417&#xff1f;\u51cf\u4e09\u5206\u4e4b\u4e8c\u53ef\u4ee5\u5417&#xff1f;\u8fd9\u4e2a\u6570\u636e\u662f\u7531\u6570\u5b66\u6216\u8005\u79d1\u5b66\u5bb6\u6df1\u5165\u8ba1\u7b97\u51fa\u6765\u7684\u5417&#xff1f;<\/p>\n<p>&#8211;\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u5176\u5b9e\u7f51\u7edc\u91cc\u5f88\u591a\u6570\u636e\u90fd\u662f\u901a\u8fc7\u5b9e\u9a8c\u548c\u6d4b\u8bd5\u5f97\u6765\u7684&#xff01;<\/span>&#xff01;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u5c31\u50cf\u4ee3\u7801\u91cc\u6709\u5c40\u90e8\u6027\u539f\u7406&#xff08;\u8bbf\u95ee\u4e00\u884c\u4ee3\u7801\u65f6\u8bbf\u95ee\u5468\u8fb9\u4ee3\u7801\u7684\u6982\u7387\u662f\u5f88\u5927\u7684&#xff09; \u5728\u8ba1\u7b97\u673a\u53d1\u660e\u4e4b\u524d\u5927\u5bb6\u662f\u6ca1\u6709\u8fd9\u4e2a\u6982\u5ff5\u7684&#xff0c;\u53ea\u4e0d\u8fc7\u540e\u6765\u5927\u5bb6\u5728\u4f7f\u7528\u7684\u65f6\u5019\u53ef\u4e0d\u53ef\u4ee5\u63d0\u524d\u52a0\u8f7d\u8fdb\u6765&#xff0c;\u4f46\u662f\u5982\u679c\u6ca1\u6709\u5c40\u90e8\u6027\u539f\u7406\u8fd9\u6837\u662f\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\u7684&#xff0c;\u56e0\u4e3a\u4e0d\u8fc7\u5c31\u662f\u767d\u767dIO&#xff0c;\u4f46\u662f\u540e\u6765\u901a\u8fc7\u5b9e\u9a8c\u53d1\u73b0\u9884\u5148\u52a0\u8f7d\u5374\u8fd8\u662f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u8fd0\u884c\u7684\u6548\u7387&#xff0c;\u6240\u4ee5\u6839\u636e\u5b9e\u9a8c\u7ed3\u679c\u7684\u9a8c\u8bc1\u518d\u6709\u4e86\u5c40\u90e8\u6027\u539f\u7406\u7684\u6982\u5ff5\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8fd8\u6709STL\u4e2d\u7684vector \u4e3a\u4ec0\u4e48\u6709\u65f6\u5019\u6269\u5bb9\u4e00\u500d&#xff0c;\u6709\u65f6\u5019\u6269\u5bb9\u4e00\u70b9\u4e94\u500d\u5462&#xff1f;&#xff1f;\u5176\u5b9e\u4ed6\u4eec\u672a\u5fc5\u662f\u6700\u597d\u7684&#xff0c;\u4f46\u662f\u4e00\u5b9a\u662f\u5927\u91cf\u5b9e\u9a8c\u5f97\u51fa\u7684\u4e00\u4e2a\u8f83\u4e3a\u7406\u60f3\u7684\u7ed3\u679c&#xff0c;\u53ef\u4ee5\u66f4\u597d\u5730\u9002\u5e94\u5404\u79cd\u60c5\u51b5&#xff01;&#xff01;\u00a0<\/p>\n<p>\u95ee\u98985&#xff1a; TCP\u7684\u62e5\u585e\u63a7\u5236\u5f88\u50cf\u70ed\u604b\u7684\u611f\u89c9<\/p>\n<p>&#8211;\u2014\u2014&gt;<span style=\"color:#fe2c24\">\u521a\u5f00\u59cb\u5f88\u7f9e\u6da9&#xff0c;\u4f46\u662f\u540e\u6765\u6162\u6162\u804a\u5929\u4e4b\u540e\u5c31\u5f00\u59cb\u8fc5\u901f\u5347\u6e29&#xff0c;\u5728\u67d0\u4e2a\u4e34\u754c\u70b9\u7ed3\u5a5a\u4e86&#xff0c;\u56e0\u4e3a\u5e73\u65f6\u7684\u4e00\u4e9b\u65e5\u5e38\u751f\u6d3b\u7684\u7410\u4e8b\u518d\u52a0\u4e0a\u53cc\u65b9\u7ecf\u5e38\u4e00\u8d77\u8d70&#xff0c;\u6162\u6162\u4e5f\u5c31\u8d8b\u4e8e\u5e73\u6de1\u4e86&#xff0c;\u540e\u6765\u5435\u67b6\u4e86\u4f1a\u77ac\u95f4\u8dcc\u5012\u51b0\u70b9&#xff0c;\u7136\u540e\u5176\u4e2d\u4e00\u65b9\u53c8\u53bb\u9053\u6b49&#xff0c;\u8fd9\u4e2a\u65f6\u5019\u590d\u5408\u6240\u9700\u8981\u7684\u4e34\u754c\u70b9\u4f1a\u6bd4\u4e4b\u524d\u5c0f\u4e00\u70b9<\/span>&#xff01;<\/p>\n<h2>\u4e09\u3001\u9762\u5411\u5b57\u8282\u6d41<\/h2>\n<p><span style=\"color:#fe2c24\">\u521b\u5efa\u4e00\u4e2aTCP\u7684socket, \u540c\u65f6\u5728\u5185\u6838\u4e2d\u521b\u5efa\u4e00\u4e2a\u53d1\u9001\u7f13\u51b2\u533a \u548c\u4e00\u4e2a\u63a5\u6536\u7f13\u51b2\u533a<\/span>;<\/p>\n<p>\u8c03\u7528write\u65f6, \u6570\u636e\u4f1a\u5148\u5199\u5165\u53d1\u9001\u7f13\u51b2\u533a\u4e2d;<\/p>\n<p>\u5982\u679c\u53d1\u9001\u7684\u5b57\u8282\u6570\u592a\u957f, \u4f1a\u88ab\u62c6\u5206\u6210\u591a\u4e2aTCP\u7684\u6570\u636e\u5305\u53d1\u51fa;<\/p>\n<p>\u5982\u679c\u53d1\u9001\u7684\u5b57\u8282\u6570\u592a\u77ed, \u5c31\u4f1a\u5148\u5728\u7f13\u51b2\u533a\u91cc\u7b49\u5f85, \u7b49\u5230\u7f13\u51b2\u533a\u957f\u5ea6\u5dee\u4e0d\u591a\u4e86, \u6216\u8005\u5176\u4ed6\u5408\u9002\u7684\u65f6\u673a\u53d1\u9001\u51fa\u53bb;<\/p>\n<p>\u63a5\u6536\u6570\u636e\u7684\u65f6\u5019, \u6570\u636e\u4e5f\u662f\u4ece\u7f51\u5361\u9a71\u52a8\u7a0b\u5e8f\u5230\u8fbe\u5185\u6838\u7684\u63a5\u6536\u7f13\u51b2\u533a;<\/p>\n<p>\u7136\u540e\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8c03\u7528read\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u62ff\u6570\u636e;<\/p>\n<p><span style=\"color:#fe2c24\">\u53e6\u4e00\u65b9\u9762, TCP\u7684\u4e00\u4e2a\u8fde\u63a5, \u65e2\u6709\u53d1\u9001\u7f13\u51b2\u533a, \u4e5f\u6709\u63a5\u6536\u7f13\u51b2\u533a, \u90a3\u4e48\u5bf9\u4e8e\u8fd9\u4e00\u4e2a\u8fde\u63a5, \u65e2\u53ef\u4ee5\u8bfb\u6570\u636e, \u4e5f\u53ef \u4ee5\u5199\u6570\u636e. \u8fd9\u4e2a\u6982\u5ff5\u53eb\u505a \u5168\u53cc\u5de5<\/span>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0udp\u5f88\u50cf\u5feb\u9012&#xff0c;\u5e76\u4e14\u4ed6\u6709\u957f\u5ea6&#xff0c;\u6240\u4ee5\u4ed6\u5fc5\u987b\u6574\u4f53\u53d1\u6574\u4f53\u6536&#xff0c;\u8fd9\u662f\u9762\u5411\u6570\u636e\u62a5\u7684&#xff0c;\u6240\u4ee5\u4ed6\u4e0d\u9700\u8981\u53bb\u89e3\u6790&#xff0c;\u56e0\u4e3a\u4ed6\u662f\u6574\u4f53\u53d1\u6574\u4f53\u6536\u7684&#xff0c;\u6bcf\u4e2a\u62a5\u6587\u90fd\u662f\u5355\u72ec\u7684\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u800c\u7528\u8fc7tcp\u534f\u8bae\u53ef\u4ee5\u5c06\u6570\u636e\u4ece\u53d1\u9001\u7f13\u51b2\u533a\u539f\u5c01\u4e0d\u52a8\u7684\u53d1\u9001\u5230\u5bf9\u65b9\u7684\u63a5\u6536\u7f13\u51b2\u533a&#xff0c;\u4f46\u662f<span style=\"color:#fe2c24\">tcp\u53d1\u9001\u7684\u6b65\u8c03\u548c\u4e0a\u5c42\u628a\u6570\u636e\u62ff\u4e0a\u53bb\u7684\u6b65\u8c03\u4e0d\u4e00\u6837<\/span>&#xff01;&#xff01;\u00a0\u53ef\u80fd\u6570\u636e\u521a\u5230\u5bf9\u65b9\u90a3\u7684\u65f6\u5019\u5bf9\u65b9\u5e76\u6ca1\u6709\u53ca\u65f6\u53bb\u5904\u7406&#xff0c;\u540e\u6765\u7f13\u51b2\u533a\u653e\u4e86\u5f88\u591a\u6570\u636e\u4e86&#xff0c;\u7136\u540e\u6211\u4eec\u540e\u6765\u57fa\u4e8e\u4e00\u6b21\u5c3d\u53ef\u80fd\u628a\u7f13\u51b2\u533a\u90fd\u62ff\u8d70\u7684\u539f\u5219&#xff08;\u4e00\u6b21\u53d6\u591a\u5c11\u4e8b\u7531\u7528\u6237\u4f55\u65f6\u8c03\u7528read\u51b3\u5b9a\u7684&#xff09;\u628a\u5168\u90e8\u7684\u6570\u636e\u8bfb\u4e0a\u53bb<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"311\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001557-68101a3da7a40.png\" width=\"1191\" \/><\/p>\n<p><span style=\"color:#fe2c24\">\u4f60\u4ee5\u4e3a\u76844\u4e2a\u8bf7\u6c42&#xff0c;\u5177\u4f53\u5185\u5bb9\u662f\u4ec0\u4e48\u6211\u5185\u6838\u5e76\u4e0d\u5173\u5fc3&#xff0c;\u56e0\u4e3a\u5728\u6211TCP\u534f\u8bae\u773c\u91cc\u53ea\u6709\u5b57\u8282\u7684\u6982\u5ff5&#xff01;<\/span>\u00a0<\/p>\n<p>\u6240\u4ee5\u8fd9\u4e2a\u8fc7\u7a0b\u6709<span style=\"color:#fe2c24\">\u5b57\u8282\u6d41\u52a8\u8d77\u6765\u7684\u6982\u5ff5&#xff0c;\u8fd9\u5c31\u662f\u9762\u5411\u5b57\u8282\u6d41<\/span>&#xff08;\u7279\u522b\u50cf\u81ea\u6765\u6c34&#xff0c;\u4f60\u4e0d\u9700\u8981\u5173\u5fc3\u8fd9\u4e2a\u6c34\u662f\u600e\u4e48\u63d0\u70bc\u51fa\u6765\u7684&#xff0c;\u4f60\u53ea\u9700\u8981\u5173\u5fc3\u6211\u8be5\u7528\u676f\u5b50\u63a5\u8fd8\u662f\u7528\u76c6\u63a5\u8fd8\u662f\u7528\u7897\u63a5&#xff09;\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0\u6240\u4ee5<span style=\"color:#fe2c24\">TCP\u5e76\u4e0d\u9700\u8981\u50cfUDP\u4e00\u6837\u6709\u957f\u5ea6&#xff0c;\u53cd\u6b63\u56e0\u4e3a\u6709\u5e8f\u53f7\u7684\u5b58\u5728\u81f3\u5c11\u53ef\u4ee5\u4fdd\u8bc1\u4f60\u53d1\u7ed9\u6211\u4ec0\u4e48\u6211\u5c31\u80fd\u6309\u987a\u5e8f\u63a5\u53d7\u5230\u4ec0\u4e48&#xff0c;\u4f46\u662f\u5177\u4f53\u7528\u6237read\u4e4b\u540e\u600e\u4e48\u89e3\u6790&#xff08;\u8981\u8fb9\u8bfb\u8fb9\u89e3\u6790&#xff0c;\u5982\u679c\u8bfb\u4e0d\u5230\u5b8c\u6574\u62a5\u6587\u5c31\u4e0b\u4e00\u6b21\u518d\u8bfb&#xff09;&#xff0c;\u90a3\u662f\u4f60\u4eec\u4e0a\u5c42\u534f\u8bae\u8981\u505a\u7684&#xff0c;\u8ddf\u6211\u65e0\u5173<\/span><\/p>\n<h2>\u56db\u3001\u7c98\u5305\u95ee\u9898<\/h2>\n<p>\u9996\u5148\u8981\u660e\u786e, <span style=\"color:#fe2c24\">\u7c98\u5305\u95ee\u9898\u4e2d\u7684 &#034;\u5305&#034; , \u662f\u6307\u7684\u5e94\u7528\u5c42\u7684\u6570\u636e\u5305.<\/span><\/p>\n<p>\u5728TCP\u7684\u534f\u8bae\u5934\u4e2d, \u6ca1\u6709\u5982\u540cUDP\u4e00\u6837\u7684 &#034;\u62a5\u6587\u957f\u5ea6&#034; \u8fd9\u6837\u7684\u5b57\u6bb5, \u4f46\u662f\u6709\u4e00\u4e2a\u5e8f\u53f7\u8fd9\u6837\u7684\u5b57\u6bb5.<\/p>\n<p>\u7ad9\u5728\u4f20\u8f93\u5c42\u7684\u89d2\u5ea6, TCP\u662f\u4e00\u4e2a\u4e00\u4e2a\u62a5\u6587\u8fc7\u6765\u7684. \u6309\u7167\u5e8f\u53f7\u6392\u597d\u5e8f\u653e\u5728\u7f13\u51b2\u533a\u4e2d.<\/p>\n<p>\u7ad9\u5728\u5e94\u7528\u5c42\u7684\u89d2\u5ea6, \u770b\u5230\u7684\u53ea\u662f\u4e00\u4e32\u8fde\u7eed\u7684\u5b57\u8282\u6570\u636e.<\/p>\n<p>\u90a3\u4e48\u5e94\u7528\u7a0b\u5e8f\u770b\u5230\u4e86\u8fd9\u4e48\u4e00\u8fde\u4e32\u7684\u5b57\u8282\u6570\u636e, \u5c31\u4e0d\u77e5\u9053\u4ece\u54ea\u4e2a\u90e8\u5206\u5f00\u59cb\u5230\u54ea\u4e2a\u90e8\u5206, \u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5e94\u7528\u5c42\u6570\u636e\u5305.<\/p>\n<p><span style=\"color:#fe2c24\">\u90a3\u4e48\u5982\u4f55\u907f\u514d\u7c98\u5305\u95ee\u9898\u5462? \u5f52\u6839\u7ed3\u5e95\u5c31\u662f\u4e00\u53e5\u8bdd, \u660e\u786e\u4e24\u4e2a\u5305\u4e4b\u95f4\u7684\u8fb9\u754c<\/span>.<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"222\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001557-68101a3dedd80.png\" width=\"547\" \/><\/p>\n<\/p>\n<p>\u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">\u5bf9\u4e8e\u5b9a\u957f\u7684\u5305, \u4fdd\u8bc1\u6bcf\u6b21\u90fd\u6309\u56fa\u5b9a\u5927\u5c0f\u8bfb\u53d6\u5373\u53ef; \u4f8b\u5982\u4e0a\u9762\u7684Request\u7ed3\u6784, \u662f\u56fa\u5b9a\u5927\u5c0f\u7684, \u90a3\u4e48\u5c31\u4ece\u7f13\u51b2\u533a\u4ece\u5934\u5f00\u59cb\u6309sizeof(Request)\u4f9d\u6b21\u8bfb\u53d6\u5373\u53ef;<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0 \u5bf9\u4e8e\u53d8\u957f\u7684\u5305, \u53ef\u4ee5\u5728\u5305\u5934\u7684\u4f4d\u7f6e, \u7ea6\u5b9a\u4e00\u4e2a\u5305\u603b\u957f\u5ea6\u7684\u5b57\u6bb5, \u4ece\u800c\u5c31\u77e5\u9053\u4e86\u5305\u7684\u7ed3\u675f\u4f4d\u7f6e;<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0 \u5bf9\u4e8e\u53d8\u957f\u7684\u5305, \u8fd8\u53ef\u4ee5\u5728\u5305\u548c\u5305\u4e4b\u95f4\u4f7f\u7528\u660e\u786e\u7684\u5206\u9694\u7b26(\u5e94\u7528\u5c42\u534f\u8bae, \u662f\u7a0b\u5e8f\u733f\u81ea\u5df1\u6765\u5b9a\u7684, \u53ea\u8981\u4fdd\u8bc1\u5206\u9694\u7b26\u4e0d\u548c\u6b63\u6587\u51b2\u7a81\u5373\u53ef);<\/span><\/p>\n<p>\u95ee\u9898&#xff1a;UDP\u662f\u5426\u5b58\u5728\u7c98\u5305\u95ee\u9898\u5417&#xff1f;&#xff1f;<\/p>\n<p>\u2014\u2014&gt;\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 <span style=\"color:#fe2c24\">\u00a0\u5bf9\u4e8eUDP, \u5982\u679c\u8fd8\u6ca1\u6709\u4e0a\u5c42\u4ea4\u4ed8\u6570\u636e, UDP\u7684\u62a5\u6587\u957f\u5ea6\u4ecd\u7136\u5728. \u540c\u65f6, UDP\u662f\u4e00\u4e2a\u4e00\u4e2a\u628a\u6570\u636e\u4ea4\u4ed8\u7ed9\u5e94\u7528\u5c42. \u5c31\u6709\u5f88\u660e\u786e\u7684\u6570\u636e\u8fb9\u754c.<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u00a0 \u00a0 \u00a0 \u00a0\u7ad9\u5728\u5e94\u7528\u5c42\u7684\u7ad9\u5728\u5e94\u7528\u5c42\u7684\u89d2\u5ea6, \u4f7f\u7528UDP\u7684\u65f6\u5019, \u8981\u4e48\u6536\u5230\u5b8c\u6574\u7684UDP\u62a5\u6587, \u8981\u4e48\u4e0d\u6536. \u4e0d\u4f1a\u51fa\u73b0&#034;\u534a\u4e2a&#034;\u7684\u60c5\u51b5.<\/span><\/p>\n<\/p>\n<h2 style=\"background-color:transparent\">\u4e94\u3001TCP\u5f02\u5e38\u60c5\u51b5<\/h2>\n<p>\u8fdb\u7a0b\u7ec8\u6b62&#xff1a;\u8fde\u63a5\u6b63\u5e38\u65ad\u5f00<\/p>\n<p>\u673a\u5668\u91cd\u542f&#xff1a;\u6740\u6b7b\u6240\u6709\u7684\u8fdb\u7a0b<\/p>\n<p>\u673a\u5668\u6389\u7535\/\u7f51\u7ebf\u65ad\u5f00&#xff1a;\u63a5\u6536\u7aef\u8ba4\u4e3a\u8fde\u63a5\u8fd8\u5728, \u4e00\u65e6\u63a5\u6536\u7aef\u6709\u5199\u5165\u64cd\u4f5c, \u63a5\u6536\u7aef\u53d1\u73b0\u8fde\u63a5\u5df2\u7ecf\u4e0d\u5728\u4e86, \u5c31\u4f1a\u8fdb\u884cRST<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"250\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001558-68101a3e259c2.png\" width=\"1167\" \/><\/p>\n<p>\u603b\u7ed3&#xff1a;<\/p>\n<p><span style=\"color:#fe2c24\">\u5982\u679c\u662f\u8f6f\u4ef6\u65b9\u9762\u7684\u95ee\u9898&#xff0c;\u6b63\u5e38\u56db\u6b21\u6325\u624b\u5c31\u53ef\u4ee5\u4e86<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u5982\u679c\u662f\u786c\u4ef6\u95ee\u9898&#xff0c;\u670d\u52a1\u7aef\u8ba4\u4e3a\u94fe\u63a5\u5b58\u5728&#xff0c;\u5ba2\u6237\u7aef\u8ba4\u4e3a\u94fe\u63a5\u6ca1\u6709\u4e86&#xff0c;\u540e\u9762\u670d\u52a1\u7aef\u628a\u94fe\u63a5\u5173\u6389\u4e86&#xff0c;\u800c\u5927\u5f53\u4f60\u5ba2\u6237\u7aef\u91cd\u65b0\u542f\u52a8\u65f6\u53d1\u73b0\u8fc7\u53bb\u7684\u8fde\u63a5\u4e0d\u5b58\u5728\u7684\u65f6\u5019&#xff0c;\u53cc\u65b9\u53d1\u751f\u4e86\u94fe\u63a5\u8ba4\u77e5\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5&#xff0c;\u6b64\u65f6\u670d\u52a1\u7aef\u4f1a\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001RST\u8ba9\u4ed6\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u00a0 \u00a0 \u5982\u679c\u5ba2\u6237\u7aef\u6c38\u8fdc\u4e0d\u53d1\u6d88\u606f&#xff0c;\u90a3\u4e48\u670d\u52a1\u7aef\u4f1a\u6709\u76f8\u5e94\u7684\u4fdd\u6d3b\u673a\u5236&#xff0c;\u5c31\u662f\u7c7b\u4f3c\u5b9a\u65f6\u5668\u7684\u4e1c\u897f&#xff0c;\u7136\u540e\u5230\u4e86\u4e00\u5b9a\u65f6\u95f4\u4f1a\u8be2\u95ee\u5ba2\u6237\u7aef\u600e\u4e48\u4e0d\u7ed9\u6211\u53d1\u6d88\u606f&#xff0c;\u5982\u679c\u4e00\u76f4\u5f97\u4e0d\u5230\u56de\u5e94&#xff0c;\u90a3\u4e48\u4ed6\u5c31\u4f1a\u65ad\u5b9a\u8fde\u63a5\u5df2\u7ecf\u65ad\u5f00\u4e86&#xff0c;\u5c31\u4f1a\u628a\u4e4b\u524d\u7ef4\u62a4\u7684\u8fde\u63a5\u7ed9\u91ca\u653e\u6389&#xff01;&#xff01;<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u53e6\u5916, <span style=\"color:#fe2c24\">\u5e94\u7528\u5c42\u7684\u67d0\u4e9b\u534f\u8bae, \u4e5f\u6709\u4e00\u4e9b\u8fd9\u6837\u7684\u68c0\u6d4b\u673a\u5236. \u4f8b\u5982HTTP\u957f\u8fde\u63a5\u4e2d, \u4e5f\u4f1a\u5b9a\u671f\u68c0\u6d4b\u5bf9\u65b9\u7684\u72b6\u6001. \u4f8b\u5982QQ, \u5728QQ\u65ad\u7ebf\u4e4b\u540e, \u4e5f\u4f1a\u5b9a\u671f\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5.<\/span><\/p>\n<h2>\u516d\u3001TCP\u5c0f\u7ed3<\/h2>\n<h3>6.1 TCP\u7684\u8bbe\u8ba1\u603b\u7ed3<\/h3>\n<p>\u53ef\u9760\u6027:<\/p>\n<p><span style=\"color:#fe2c24\">\u6821\u9a8c\u548c<\/span>(\u786e\u4fdd\u6570\u636e\u6ca1\u6709\u4efb\u4f55\u9519\u8bef&#xff0c;\u4e0d\u4f1a\u51fa\u73b0\u6bd4\u7279\u4f4d\u53cd\u8f6c\u3001\u6570\u636e\u62a5\u6587\u6821\u9a8c\u5931\u8d25\u7b49\u60c5\u51b5)<\/p>\n<p><span style=\"color:#fe2c24\">\u5e8f\u5217\u53f7<\/span>(\u4fdd\u8bc1\u6570\u636e\u6309\u65f6\u5230\u8fbe\u3001\u53bb\u91cd)<\/p>\n<p><span style=\"color:#fe2c24\">\u786e\u8ba4\u5e94\u7b54<\/span>&#xff08;\u4e0d\u5b58\u5728\u767e\u5206\u767e\u53ef\u9760\u662f\u56e0\u4e3a\u7f51\u7edc\u5386\u53f2\u4e0a\u6700\u65b0\u4e00\u6761\u62a5\u6587\u4e00\u5b9a\u662f\u6ca1\u6709\u5e94\u7b54\u7684&#xff09;<\/p>\n<p><span style=\"color:#fe2c24\">\u8d85\u65f6\u91cd\u53d1 <\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u8fde\u63a5\u7ba1\u7406 <\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u6d41\u91cf\u63a7\u5236<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u62e5\u585e\u63a7\u5236<\/span><\/p>\n<p>\u63d0\u9ad8\u6027\u80fd:<\/p>\n<p><span style=\"color:#fe2c24\">\u6ed1\u52a8\u7a97\u53e3 <\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u5feb\u901f\u91cd\u4f20 <\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u5ef6\u8fdf\u5e94\u7b54 <\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u634e\u5e26\u5e94\u7b54<\/span><\/p>\n<p>\u5176\u4ed6:<\/p>\n<p><span style=\"color:#fe2c24\">\u5b9a\u65f6\u5668(\u8d85\u65f6\u91cd\u4f20\u5b9a\u65f6\u5668, \u4fdd\u6d3b\u5b9a\u65f6\u5668, TIME_WAIT\u5b9a\u65f6\u5668\u7b49)<\/span><\/p>\n<h3>6.2 \u57fa\u4e8eTCP\u5e94\u7528\u5c42\u534f\u8bae<\/h3>\n<p>HTTP<\/p>\n<p>HTTPS<\/p>\n<p>SSH<\/p>\n<p>Telnet<\/p>\n<p>FTP<\/p>\n<p>SMTP<\/p>\n<p>\u5f53\u7136, \u4e5f\u5305\u62ec\u4f60\u81ea\u5df1\u5199TCP\u7a0b\u5e8f\u65f6\u81ea\u5b9a\u4e49\u7684\u5e94\u7528\u5c42\u534f\u8bae;<\/p>\n<h3>6.3 TCPvsUDP<\/h3>\n<p>\u00a0 \u00a0 \u00a0 \u6211\u4eec\u8bf4\u4e86TCP\u662f\u53ef\u9760\u8fde\u63a5, \u90a3\u4e48\u662f\u4e0d\u662fTCP\u4e00\u5b9a\u5c31\u4f18\u4e8eUDP\u5462?<\/p>\n<p>\u2014\u2014&gt;TCP\u548cUDP\u4e4b\u95f4\u7684\u4f18\u70b9\u548c\u7f3a\u70b9, \u4e0d\u80fd\u7b80\u5355, \u7edd\u5bf9\u7684\u8fdb\u884c\u6bd4\u8f83\u00a0<\/p>\n<p><span style=\"color:#fe2c24\">TCP\u7528\u4e8e\u53ef\u9760\u4f20\u8f93\u7684\u60c5\u51b5, \u5e94\u7528\u4e8e\u6587\u4ef6\u4f20\u8f93, \u91cd\u8981\u72b6\u6001\u66f4\u65b0\u7b49\u573a\u666f; <\/span><\/p>\n<p><span style=\"color:#fe2c24\">UDP\u7528\u4e8e\u5bf9\u9ad8\u901f\u4f20\u8f93\u548c\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u901a\u4fe1\u9886\u57df, \u4f8b\u5982, \u65e9\u671f\u7684QQ, \u89c6\u9891\u4f20\u8f93\u7b49. \u53e6\u5916UDP\u53ef\u4ee5\u7528\u4e8e\u5e7f\u64ad;<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u5f52\u6839\u7ed3\u5e95, TCP\u548cUDP\u90fd\u662f\u7a0b\u5e8f\u5458\u7684\u5de5\u5177, \u4ec0\u4e48\u65f6\u673a\u7528, \u5177\u4f53\u600e\u4e48\u7528, \u8fd8\u662f\u8981\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u573a\u666f\u53bb\u5224\u5b9a.<\/span><\/p>\n<h3>6.4 \u7528UDP\u5b9e\u73b0\u53ef\u9760\u4f20\u8f93<\/h3>\n<p>\u00a0 \u00a0 \u00a0<span style=\"color:#fe2c24\">\u4f60\u8981\u5148\u95ee\u9762\u8bd5\u5b98\u573a\u666f\u662f\u4ec0\u4e48&#xff08;\u56e0\u4e3aUDP\u8981\u5b9e\u73b0\u7684\u53ef\u9760\u6027\u975e\u5e38\u591a&#xff0c;\u6240\u4ee5\u5982\u679c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u5177\u4f53\u7684\u573a\u666f\u7684\u8bdd\u5c31\u53ef\u4ee5\u77e5\u9053\u9700\u8981\u501f\u9274TCP\u7684\u54ea\u90e8\u5206\u65b9\u6848&#xff0c;\u5982\u679c\u53ef\u9760\u6027\u975e\u5e38\u975e\u5e38\u9ad8&#xff0c;\u90a3\u4e48\u5c31\u53ea\u80fd\u4f7f\u7528TCP\u4e86&#xff09;\u6839\u636e\u8fd9\u4e2a\u573a\u666f\u6765\u5f15\u5165TCP\u7684\u53ef\u9760\u6027\u673a\u5236&#xff01;&#xff01;\u5728\u5e94\u7528\u5c42\u5b9e\u73b0\u7c7b\u4f3c\u7684\u903b\u8f91&#xff01;<\/span><\/p>\n<p>\u4f8b\u5982:\u00a0<\/p>\n<p>\u5f15\u5165\u5e8f\u5217\u53f7, \u4fdd\u8bc1\u6570\u636e\u987a\u5e8f;<\/p>\n<p>\u5f15\u5165\u786e\u8ba4\u5e94\u7b54 , \u786e\u4fdd\u5bf9\u7aef\u6536\u5230\u4e86\u6570\u636e ;<\/p>\n<p>\u5f15 \u5165\u8d85\u65f6\u91cd\u4f20 ,\u5982\u679c\u9694\u4e00\u6bb5\u65f6\u95f4\u6ca1\u6709\u5e94\u7b54, \u5c31\u91cd\u53d1\u6570\u636e ;<\/p>\n<p>\u2026\u2026<\/p>\n<h2>\u4e03\u3001\u6253\u901a\u4e00\u4e0b\u6587\u4ef6\u548csocket\u00a0<\/h2>\n<p>\u6587\u4ef6\u548csocket\u7a76\u7adf\u6709\u4ec0\u4e48\u5173\u7cfb\u5462&#xff1f;&#xff1f;\u6211\u4eec\u6765\u5c1d\u8bd5\u4ece\u4ee3\u7801\u53bb\u6253\u901a\u4ed6\u4eec\u7684\u8054\u7cfb&#xff01;<\/p>\n<p>\u4e00\u4e2a\u8fdb\u7a0b&#xff0c;\u6709\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868&#xff0c;\u8868\u91cc\u9762\u5b58\u50a8\u4e86struct file\u7c7b\u578b\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"162\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001558-68101a3e6341e.png\" width=\"507\" \/><\/p>\n<p>\u91cc\u9762\u6709\u51fd\u6570\u6307\u9488\u7684\u64cd\u4f5c\u65b9\u6cd5f_op\u00a0 \u00a0 \u6709\u6587\u4ef6\u7f13\u51b2\u533af_mapping \u4f46\u662f\u5728\u7f51\u7edc\u4e2d \u8fd8\u6709\u4e00\u4e2a\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"30\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001558-68101a3e8f948.png\" width=\"399\" \/>\u00a0\u4ed6\u6307\u5411\u4e86socket \u7136\u540esocket\u91cc\u9762\u4e5f\u6709\u4e00\u4e2a\u6307\u9488\u53ef\u4ee5\u56de\u6307\u5411file\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"366\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001558-68101a3eb5f33.png\" width=\"783\" \/><\/p>\n<p>\u00a0<span style=\"color:#fe2c24\">\u6240\u4ee5\u6211\u4eec\u4e0a\u5c42\u53ea\u8981\u901a\u8fc7\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u53ef\u4ee5\u627e\u5230\u91cc\u9762\u7684socket&#xff0c;\u5c4f\u853d\u5dee\u5f02\u5316 &#xff08;OS\u91cc\u9762\u7684\u6570\u636e\u7ed3\u6784\u5f88\u590d\u6742&#xff0c;\u53ef\u80fd\u4f60\u6307\u5411\u6211\u6211\u6307\u5411\u4f60&#xff09;<\/span><\/p>\n<p>socket\u91cc\u9762\u6709\u6210\u5458\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"117\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001559-68101a3f0084f.png\" width=\"466\" \/><\/p>\n<p><span style=\"color:#fe2c24\">\u4ed6\u662f\u5f53\u7f51\u7edc\u6761\u4ef6\u4e0d\u5c31\u7eea\u7684\u65f6\u5019&#xff0c;\u5c06\u8fdb\u7a0b\u6302\u63a5\u8fdb\u53bb\u7684\u963b\u585e\u961f\u5217&#xff01;&#xff01;<\/span><\/p>\n<p>\u8fd8\u6709\u6210\u5458ops\u00a0 \u4ed6\u91cc\u9762\u534f\u8bae\u7684\u64cd\u4f5c\u65b9\u6cd5\u96c6<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"721\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001559-68101a3f29e1e.png\" width=\"714\" \/><\/p>\n<p>\u00a0\u95ee\u9898&#xff1a;\u8fd9\u4e2aops\u548c\u524d\u9762\u7684f_op\u6709\u4ec0\u4e48\u5173\u7cfb\u5462&#xff1f;&#xff1f;&#xff1f;<\/p>\n<p>\u2014\u2014&gt; <span style=\"color:#fe2c24\">\u5728\u7f51\u7edc\u91cc&#xff0c;\u524d\u8005\u4e0d\u518d\u6307\u5411\u78c1\u76d8\u7684\u65b9\u6cd5\u800c\u662f\u6307\u5411\u7684\u662f\u7f51\u7edc\u7684\u65b9\u6cd5&#xff0c;\u540e\u8005\u662f\u6307\u5411\u534f\u8bae\u6808\u7684\u65b9\u6cd5\u96c6\u3002\u524d\u8005\u89e3\u51b3\u7684\u662f\u5bf9\u4e0a\u7684\u95ee\u9898&#xff08;\u6bd4\u5982\u8bf4\u600e\u4e48\u5c06\u6570\u636e\u90fd\u5e94\u7528\u5c42\u5f62\u6210\u4e00\u4e2a\u8282\u70b9\u62f7\u8d1d\u5230sock\u4e2d\u7684\u63a5\u6536\u548c\u53d1\u9001\u961f\u5217\u4e2d&#xff09;&#xff0c;\u7136\u540e\u540e\u8005\u89e3\u51b3\u7684\u662f\u5bf9\u4e0b\u7684\u95ee\u9898&#xff08;\u6bd4\u5982\u600e\u4e48\u628a\u6570\u636e\u4ece\u961f\u5217\u62ff\u4e0b\u6765\u4ea4\u7ed9\u4e0b\u5c42&#xff09;\u00a0 \u5177\u4f53\u540e\u9762\u600e\u4e48\u5904\u7406\u4e0d\u540c\u534f\u8bae\u6808\u8fd8\u6709\u81ea\u5df1\u7684\u65b9\u6cd5\u96c6<\/span>\u00a0<span style=\"color:#fe2c24\">&#xff08;TCP\u5e76\u6ca1\u6709\u628a\u6570\u636e\u53d1\u51fa\u53bb&#xff0c;\u4ed6\u53ea\u662f\u4ea4\u7ed9\u4e0b\u5c42&#xff01;&#xff01;&#xff09;<\/span><\/p>\n<p>\u8fd8\u6709\u6210\u5458sk<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"762\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001559-68101a3f64f57.png\" width=\"834\" \/><\/p>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"697\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001559-68101a3fc165f.png\" width=\"679\" \/><\/p>\n<p>\u5176\u4e2d\u6709<span style=\"color:#fe2c24\">sk_receive_queue\u548csk_write_queue(\u53d1\u9001\u7f13\u51b2\u533a\u548c\u63a5\u53d7\u7f13\u51b2\u533a)\u00a0<\/span><\/p>\n<p>\u5176\u5b9e\u6211\u4eec\u5728\u521b\u5efa\u5957\u63a5\u5b57\u7684\u65f6\u5019&#xff0c;\u5e95\u5c42\u5e76\u4e0d\u662f\u76f4\u63a5\u521b\u5efasock&#xff0c;\u800c\u662f\u901a\u8fc7\u4f60\u4f20\u7684<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"45\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429001600-68101a4005d6e.png\" width=\"378\" \/>\u786e\u8ba4\u4f60\u8981\u521b\u5efa\u7684\u662fTCP\u8fd8\u662fUDP&#xff0c;\u7136\u540e\u4ed6\u4eec\u7ed3\u6784\u4f53\u91cc\u7684\u7b2c\u4e00\u4e2a\u6210\u5458\u90fd\u662fsock\u7c7b\u578b\u7684\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"378\" src=\"2025-04-29pywbtwq5ojg.png\" width=\"1101\" \/>\u00a0sock\u4e2d\u7684\u90e8\u5206\u5b57\u6bb5\u53ef\u4ee5\u6807\u8bc6\u4ed6\u662fTCP\u8fd8\u662fUDP&#xff08;socket\u7c7b\u578b&#xff09;<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"126\" src=\"2025-04-29r0awpbzkuun.png\" width=\"466\" \/>\u7136\u540e\u53ea\u8981\u505a\u5f3a\u8f6c\u5c31\u53ef\u4ee5\u8bbf\u95ee\u5230\u5168\u90e8\u7684\u5185\u5bb9\u4e86<img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"27\" src=\"2025-04-29mubugcm0uus.png\" width=\"231\" \/>\u00a0 \u00a0&#xff08;<span style=\"color:#fe2c24\">\u672c\u8d28\u5c31\u662f\u7528C\u8bed\u8a00\u5b9e\u73b0\u4e86\u591a\u6001\u00a0 \u00a0\u7ee7\u627f\u662f\u7ed3\u6784\u4f53\u5957\u7ed3\u6784\u4f53\u505a\u5230\u7684\u00a0 \u00a0\u591a\u6001\u662f\u7528\u51fd\u6570\u6307\u9488\u6307\u5411\u4e0d\u540c\u7684\u65b9\u6cd5<\/span>&#xff09;<\/p>\n<p><span style=\"color:#fe2c24\">\u00a0\u6240\u4ee5\u534f\u8bae\u6808\u7684\u672c\u8d28\u5982\u4e0b&#xff1a;\u7279\u5b9a\u7684\u6570\u636e\u7ed3\u6784\u8868\u793a\u7684\u534f\u8bae&#043;\u7279\u5b9a\u534f\u8bae\u5339\u914d\u7684\u65b9\u6cd5\u96c6&#xff08;\u6bcf\u4e00\u5c42\u90fd\u6709&#xff09;<\/span><\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"354\" src=\"2025-04-29qvoyca5zytp.png\" width=\"462\" \/><\/p>\n<p><span style=\"color:#fe2c24\">OS\u91cc\u53ef\u80fd\u4f1a\u540c\u65f6\u5b58\u5728\u5927\u91cf\u62a5\u6587&#xff0c;\u6240\u4ee5\u4ed6\u5fc5\u987b\u8981\u60f3\u529e\u6cd5\u628a\u62a5\u6587\u7ba1\u7406\u8d77\u6765&#xff01;&#xff01;\u5148\u63cf\u8ff0\u518d\u7ec4\u7ec7<\/span>&#xff01;<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"181\" src=\"2025-04-29pnuqfiymt5r.png\" width=\"456\" \/><\/p>\n<p><span style=\"color:#fe2c24\">\u4e3a\u4ec0\u4e48\u6709\u9501&#xff1f;&#xff1f;\u56e0\u4e3a\u63a5\u6536\u548c\u53d1\u9001\u7684\u8fc7\u7a0b\u672c\u8d28\u5728\u5185\u6838\u91cc\u662f\u4e00\u4e2a\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b&#xff01;<\/span>&#xff01;<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"210\" src=\"2025-04-29024pd4jokih.png\" width=\"441\" \/><\/p>\n<p>\u8fd9\u56db\u4e2a\u6307\u9488\u4f1a\u4e92\u76f8\u914d\u5408\u00a0 \u6307\u5411\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4&#xff01;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"284\" src=\"2025-04-29ljepeltle0b.png\" width=\"1099\" \/><\/p>\n<p><span style=\"color:#fe2c24\">\u6240\u4ee5sk_buff\u5728\u5c42\u548c\u5c42\u4e4b\u95f4\u4f1a\u8fdb\u884c\u6d41\u52a8&#xff01;&#xff01;\u6240\u4ee5\u5c01\u88c5\u548c\u89e3\u5305\u672c\u8d28\u4e0a\u5c31\u662f\u6307\u9488\u7684\u79fb\u52a8&#xff08;\u6839\u636e\u62a5\u5934\u76f8\u5173\u7684\u534f\u8bae\u5b57\u6bb5\u6765\u79fb\u52a8&#xff09;&#xff01;<\/span>&#xff01;<span style=\"color:#fe2c24\">&#xff01;\u5411\u4e0a\u4ea4\u4ed8\u7684\u672c\u8d28\u5c31\u662f\u4e0d\u65ad\u5c06sk_buff\u7ec4\u7ec7\u5230\u7f13\u51b2\u533a&#xff0c;\u5c06\u62a5\u5934\u5206\u53d1\u7ed9\u5404\u5c42&#xff0c;\u7136\u540e\u6700\u540e\u4e0a\u5c42\u518d\u4ece\u7f13\u51b2\u533a\u91cc\u62ff\u62a5\u6587<\/span><\/p>\n<p><span style=\"color:#fe2c24\">\u6240\u4ee5\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u7684\u89e3\u5305\u64cd\u4f5c\u90fd\u662f\u5728\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u64cd\u4f5c\u7684&#xff01;&#xff01;\u4e0d\u9700\u8981\u9891\u7e41\u7684\u62f7\u8d1d&#xff0c;\u53ea\u662f\u6307\u9488\u79fb\u52a8<\/span><\/p>\n<p>\u603b\u4f53\u56fe&#xff1a;\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1141\" src=\"2025-04-29ttywaqjsjo3.png\" width=\"1200\" \/><\/p>\n<p>\u00a0<span style=\"color:#fe2c24\">\u6240\u4ee5\u6587\u4ef6\u7cfb\u7edf\u548c\u7f51\u7edc\u662f\u53ef\u4ee5\u6253\u901a\u7684&#xff01;&#xff01;Linux\u4e00\u5207\u7686\u6587\u4ef6<\/span>&#xff01;<\/p>\n<p><span style=\"color:#fe2c24\">\u5e76\u4e14\u94fe\u63a5\u5efa\u7acb\u662f\u6709\u5f88\u5927\u6210\u672c\u7684&#xff01;&#xff01;\u9700\u8981\u521b\u5efa\u5f88\u591a\u6570\u636e\u7ed3\u6784&#xff01;<\/span>&#xff01;\u00a0<\/p>\n<h2 style=\"background-color:transparent\">\u516b\u3001\u00a0\u4f7f\u7528 wireshark \u5206\u6790 TCP \u901a\u4fe1\u6d41\u7a0b<\/h2>\n<p>\u00a0 \u00a0 \u00a0 wireshark\u662f windows \u4e0b\u7684\u4e00\u4e2a\u7f51\u7edc\u6293\u5305\u5de5\u5177. \u867d\u7136 Linux \u547d\u4ee4\u884c\u4e2d\u6709 tcpdump \u5de5\u5177\u540c\u6837\u80fd\u5b8c\u6210\u6293\u5305, \u4f46\u662ftcpdump \u662f\u7eaf\u547d\u4ee4\u884c\u754c\u9762, \u4f7f\u7528\u8d77\u6765\u4e0d\u5982 wireshark \u65b9\u4fbf.<\/p>\n<p>\u4e0b\u8f7d wireshark\u00a0<\/p>\n<p>https:\/\/1.na.dl.wireshark.org\/win64\/Wireshark-win64-2.6.3.exe<\/p>\n<p>\u6216\u8005<\/p>\n<p>\u94fe\u63a5&#xff1a;https:\/\/pan.baidu.com\/s\/159UUIoZ8b7guWDeuAHoF9A \u63d0\u53d6\u7801&#xff1a;k79r<\/p>\n<p>\u5b89\u88c5 wireshark<\/p>\n<p>\u76f4\u63a5\u53cc\u51fb\u5b89\u88c5, \u6ca1\u5565\u592a\u591a\u6ce8\u610f\u7684.<\/p>\n<p>\u542f\u7528 telnet \u5ba2\u6237\u7aef<\/p>\n<p>\u53c2\u8003 https:\/\/jingyan.baidu.com\/article\/95c9d20d96ba4aec4f756154.html<\/p>\n<p>\u542f\u52a8 wireshark \u5e76\u8bbe\u7f6e\u8fc7\u6ee4\u5668<\/p>\n<p>\u7531\u4e8e\u673a\u5668\u4e0a\u7684\u7f51\u7edc\u6570\u636e\u62a5\u53ef\u80fd\u8f83\u591a, \u6211\u4eec\u53ea\u9700\u8981\u5173\u6ce8\u6211\u4eec\u9700\u8981\u7684. \u56e0\u6b64\u9700\u8981\u8bbe\u7f6e\u8fc7\u6ee4\u5668\u00a0<\/p>\n<p>\u5728\u8fc7\u6ee4\u5668\u680f\u4e2d\u5199\u5165\u00a0<\/p>\n<p>\u00a0ip.addr &#061;&#061; [\u670d\u52a1\u5668 ip]<\/p>\n<p>\u5219\u53ea\u6293\u53d6\u6307\u5b9aip\u7684\u6570\u636e\u5305.\u00a0<\/p>\n<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"119\" src=\"2025-04-29ilbvd0dwvyk.png\" width=\"1200\" \/><\/p>\n<p>\u00a0\u6216\u8005\u5728\u8fc7\u6ee4\u5668\u4e2d\u5199\u5165<\/p>\n<p>tcp.port &#061;&#061; 9090\u00a0<\/p>\n<p>\u00a0\u5219\u53ea\u5173\u6ce8 9090 \u7aef\u53e3\u7684\u6570\u636e<\/p>\n<p>\u66f4\u591a\u8fc7\u6ee4\u5668\u7684\u8bbe\u7f6e, \u53c2\u8003wireshark 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width=\"1200\" \/><\/p>\n<p>\u00a0\u89c2\u5bdf\u786e\u8ba4\u5e94\u7b54<\/p>\n<p>\u00a0\u5728 telnet \u4e2d\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"96\" src=\"2025-04-29iuy31mc1rev.png\" width=\"1200\" \/><\/p>\n<p>\u00a0\u53ef\u4ee5\u770b\u5230\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u957f\u5ea6\u4e3a 1 \u5b57\u8282\u7684\u6570\u636e, \u6b64\u65f6\u670d\u52a1\u5668\u8fd4\u56de\u4e86\u4e00\u4e2a ACK \u4ee5\u53ca\u4e00\u4e2a 9 \u4e2a\u5b57\u8282\u7684\u54cd\u5e94(\u634e\u5e26\u5e94\u7b54), \u7136 \u540e\u5ba2\u6237\u7aef\u518d\u53cd\u9988\u4e00\u4e2a ACK(\u6ce8\u610f\u89c2\u5bdf \u5e8f\u5217\u53f7\u548c\u786e\u8ba4\u5e8f\u53f7)<\/p>\n<p>\u00a0\u89c2\u5bdf\u56db\u6b21\u6325\u624b<\/p>\n<p>\u00a0\u5728 telnet \u4e2d\u8f93\u5165 ctrl &#043; ], \u56de\u5230 telnet \u63a7\u5236\u754c\u9762, \u8f93\u5165 quit \u9000\u51fa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"101\" src=\"2025-04-29fkrhs1kue0z.png\" width=\"1200\" \/>\u00a0\u5b9e\u9645\u4e0a\u662f &#034;\u4e09\u6b21\u6325\u624b&#034;, \u7531\u4e8e\u634e\u5e26\u5e94\u7b54, \u5bfc\u81f4\u5176\u4e2d\u7684\u4e24\u6b21\u91cd\u5408\u5728\u4e86\u4e00\u8d77.<\/p>\n<p>\u6ce8\u610f\u4e8b\u9879<\/p>\n<p>\u5982\u679c\u4f7f\u7528\u865a\u62df\u673a\u90e8\u7f72\u670d\u52a1\u5668, \u5efa\u8bae\u4f7f\u7528 &#034;\u6865\u63a5\u7f51\u5361&#034; \u7684\u65b9\u5f0f\u8fde\u63a5\u7f51\u7edc. NAT \u65b9\u5f0f\u4e0b\u7531\u4e8e\u8fdb\u884c\u4e86 ip \u548c port \u7684\u66ff\u6362.<\/p>\n<p>\u4f7f\u7528\u4e91\u670d\u52a1\u5668\u6d4b\u8bd5, \u66f4\u52a0\u76f4\u89c2\u65b9\u4fbf.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"869\" src=\"2025-04-29cke5cf2ba33.png\" width=\"777\" \/><\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"2025-04-29np5s4bgvqhe.jpg\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.2k\u6b21\uff0c\u70b9\u8d5e97\u6b21\uff0c\u6536\u85cf79\u6b21\u3002\u6839\u636e\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\uff0c\u7f51\u5361\u4e5f\u7b97\u662f\u5916\u8bbe\uff0c\u6240\u4ee5\u6309\u9053\u7406\u6765\u8bf4\u53d1\u9001\u65b9\u53d1\u9001\u66f4\u591a\u7684\u6570\u636e\uff0c\u53d1\u9001\u7684\u6548\u7387\u4e5f\u5c31\u66f4\u9ad8\uff01\uff01\u7a97\u53e3\u8d8a\u5927, \u7f51\u7edc\u541e\u5410\u91cf\u5c31\u8d8a\u5927, \u4f20\u8f93\u6548\u7387\u5c31\u8d8a\u9ad8. \u6211\u4eec\u7684\u76ee\u6807\u662f\u5728\u4fdd\u8bc1\u7f51\u7edc\u4e0d\u62e5\u585e\u7684\u60c5\u51b5\u4e0b\u5c3d\u91cf\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\uff01<\/p>\n","protected":false},"author":2,"featured_media":34154,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[205,78,191],"topic":[],"class_list":["post-34174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-tcp-ip","tag-78","tag-191"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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