{"id":17584,"date":"2025-04-19T00:07:10","date_gmt":"2025-04-18T16:07:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/17584.html"},"modified":"2025-04-19T00:07:10","modified_gmt":"2025-04-18T16:07:10","slug":"%e7%bc%96%e5%86%99%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bd%91%e7%bb%9c%e7%8a%b6%e6%80%81%e6%a3%80%e6%b5%8b%e7%9a%84%e5%ae%9e%e7%94%a8%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/17584.html","title":{"rendered":"\u7f16\u5199\u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b\u7684\u5b9e\u7528\u4ee3\u7801"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418160709-680278ad2156f.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n<p> \u7b80\u4ecb&#xff1a;\u5728IT\u8fd0\u7ef4\u4e2d&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u7684\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5b9e\u9645\u4ee3\u7801\u793a\u4f8b&#xff0c;\u4ecb\u7ecd\u5982\u4f55\u68c0\u6d4b\u670d\u52a1\u5668\u7684\u8fde\u901a\u6027\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u7aef\u53e3\u5f00\u653e\u60c5\u51b5\u3001\u5e26\u5bbd\u5229\u7528\u7387\u53ca\u9519\u8bef\u65e5\u5fd7\u7b49\u5173\u952e\u7f51\u7edc\u6307\u6807\u3002\u4f7f\u7528Python\u3001Java\u548cBash\u811a\u672c\u8bed\u8a00\u5b9e\u73b0\u57fa\u672c\u7684\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b&#xff0c;\u5e76\u6307\u51fa\u9700\u8981\u7ed3\u5408\u4e13\u4e1a\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u6765\u83b7\u5f97\u66f4\u5168\u9762\u7684\u7f51\u7edc\u5206\u6790\u3002 <img decoding=\"async\" alt=\"\u68c0\u6d4b\u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u4ee3\u7801\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418160709-680278ad30dc2.png\" \/><\/p>\n<h2> 1. \u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b\u7684\u91cd\u8981\u6027 <\/h2>\n<p> \u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3&#xff0c;\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u6027\u548c\u54cd\u5e94\u901f\u5ea6\u76f4\u63a5\u5173\u7cfb\u5230\u4f01\u4e1a\u4e1a\u52a1\u7684\u8fd0\u884c\u548c\u7528\u6237\u4f53\u9a8c\u3002\u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b\u662f\u786e\u4fdd\u7f51\u7edc\u5065\u5eb7\u7684\u5173\u952e\u73af\u8282&#xff0c;\u5b83\u5141\u8bb8\u7ba1\u7406\u5458\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u6f5c\u5728\u7684\u7f51\u7edc\u95ee\u9898&#xff0c;\u4ece\u800c\u4fdd\u969c\u670d\u52a1\u7684\u8fde\u7eed\u6027\u548c\u9ad8\u6548\u6027\u3002 <\/p>\n<p> \u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b\u4e0d\u4ec5\u80fd\u591f\u5e2e\u52a9\u7f51\u7edc\u7ba1\u7406\u5458\u8bc6\u522b\u95ee\u9898\u6240\u5728&#xff0c;\u8fd8\u80fd\u4f5c\u4e3a\u9884\u9632\u63aa\u65bd&#xff0c;\u63d0\u524d\u505a\u597d\u7cfb\u7edf\u548c\u7f51\u7edc\u7684\u8c03\u6574\u4f18\u5316\u3002\u4e86\u89e3\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b\u7684\u91cd\u8981\u6027&#xff0c;\u5bf9\u4e8e\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3001\u51cf\u5c11\u5b95\u673a\u65f6\u95f4\u53ca\u907f\u514d\u6570\u636e\u4e22\u5931\u7b49\u98ce\u9669\u5177\u6709\u81f3\u5173\u91cd\u8981\u7684\u610f\u4e49\u3002 <\/p>\n<p> \u4e3a\u4e86\u6709\u6548\u5730\u8fdb\u884c\u670d\u52a1\u5668\u7f51\u7edc\u72b6\u6001\u68c0\u6d4b&#xff0c;\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fde\u901a\u6027\u68c0\u6d4b\u3001\u54cd\u5e94\u65f6\u95f4\u5206\u6790\u3001\u7aef\u53e3\u5f00\u653e\u68c0\u67e5\u3001\u5e26\u5bbd\u76d1\u63a7\u4ee5\u53ca\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u548c\u65e5\u5fd7\u68c0\u67e5\u7b49\u6838\u5fc3\u4e3b\u9898\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u5173\u952e\u9886\u57df\u7684\u6df1\u5165\u5206\u6790&#xff0c;\u672c\u6587\u5c06\u4e3aIT\u4e13\u4e1a\u4eba\u58eb\u63d0\u4f9b\u4e00\u7cfb\u5217\u5b9e\u7528\u7684\u5de5\u5177\u548c\u7b56\u7565&#xff0c;\u4ee5\u7ef4\u62a4\u548c\u4f18\u5316\u7f51\u7edc\u73af\u5883\u3002 <\/p>\n<h2> 2. \u8fde\u901a\u6027\u68c0\u6d4b\u4e0e\u5b9e\u8df5 <\/h2>\n<h3> 2.1 \u7406\u89e3\u7f51\u7edc\u8fde\u901a\u6027\u68c0\u6d4b <\/h3>\n<h4> 2.1.1 \u8fde\u901a\u6027\u68c0\u6d4b\u7684\u539f\u7406 <\/h4>\n<p> \u7f51\u7edc\u8fde\u901a\u6027\u68c0\u6d4b\u662f\u786e\u4fdd\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\u7684\u57fa\u7840\u73af\u8282\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u53d1\u9001\u7279\u5b9a\u7684\u7f51\u7edc\u6570\u636e\u5305&#xff08;\u5982ICMP echo\u8bf7\u6c42&#xff09;\u5230\u76ee\u6807\u5730\u5740&#xff0c;\u5e76\u7b49\u5f85\u54cd\u5e94\u3002\u6839\u636e\u662f\u5426\u6536\u5230\u54cd\u5e94&#xff0c;\u53ef\u4ee5\u5224\u65ad\u76ee\u6807\u8bbe\u5907\u662f\u5426\u53ef\u8fbe\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7c7b\u6bd4\u4e8e\u73b0\u5b9e\u751f\u6d3b\u4e2d\u53d1\u9001\u4e00\u5c01\u4fe1\u4ef6\u7ed9\u8fdc\u65b9\u7684\u670b\u53cb&#xff0c;\u5e76\u7b49\u5f85\u5bf9\u65b9\u56de\u590d\u786e\u8ba4\u4fe1\u4ef6\u5df2\u6536\u5230&#xff0c;\u4ee5\u6b64\u6765\u5224\u65ad\u5bf9\u65b9\u662f\u5426\u80fd\u591f\u63a5\u6536\u5230\u6765\u4fe1\u3002 <\/p>\n<p> \u7f51\u7edc\u8fde\u901a\u6027\u68c0\u6d4b\u5728TCP\/IP\u534f\u8bae\u6808\u4e2d&#xff0c;\u901a\u5e38\u6d89\u53ca\u5230ICMP&#xff08;Internet Control Message Protocol&#xff09;\u534f\u8bae&#xff0c;\u5b83\u662fIP\u534f\u8bae\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4f8b\u5982&#xff0c;\u8457\u540d\u7684  ping  \u547d\u4ee4\u5c31\u662f\u57fa\u4e8eICMP\u534f\u8bae\u5b9e\u73b0\u7684&#xff0c;\u5b83\u5411\u76ee\u6807\u4e3b\u673a\u53d1\u9001ICMP Echo Request\u6d88\u606f&#xff0c;\u5982\u679c\u76ee\u6807\u4e3b\u673a\u53ef\u8fbe&#xff0c;\u5c06\u8fd4\u56deICMP Echo Reply\u6d88\u606f\u3002 <\/p>\n<h4> 2.1.2 \u5e38\u89c1\u7684\u8fde\u901a\u6027\u6d4b\u8bd5\u65b9\u6cd5 <\/h4>\n<p> \u5728\u7f51\u7edc\u7ef4\u62a4\u548c\u6545\u969c\u6392\u67e5\u4e2d&#xff0c;\u5e38\u89c1\u7684\u8fde\u901a\u6027\u6d4b\u8bd5\u65b9\u6cd5\u9664\u4e86  ping  \u4ee5\u5916&#xff0c;\u8fd8\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd&#xff1a; <\/p>\n<ul>\n<li>  traceroute  &#xff1a;\u8ffd\u8e2a\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u7684\u8def\u5f84&#xff0c;\u663e\u793a\u6bcf\u4e00\u8df3\u7684\u5730\u5740\u4fe1\u606f\u3002\u8fd9\u5bf9\u4e8e\u8bca\u65ad\u6570\u636e\u5305\u5230\u8fbe\u76ee\u7684\u5730\u6240\u7ecf\u8fc7\u7684\u8def\u7531\u8282\u70b9\u548c\u9047\u5230\u7684\u95ee\u9898\u975e\u5e38\u6709\u7528\u3002 <\/li>\n<li>  telnet  &#xff1a;\u6d4b\u8bd5\u7aef\u53e3\u662f\u5426\u5f00\u653e&#xff0c;\u5e76\u5c1d\u8bd5\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5\u3002 <\/li>\n<li>  nmap  &#xff1a;\u4e00\u4e2a\u5f3a\u5927\u7684\u7f51\u7edc\u626b\u63cf\u548c\u5b89\u5168\u5ba1\u6838\u5de5\u5177&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u626b\u63cf\u6765\u68c0\u6d4b\u7f51\u7edc\u4e2d\u54ea\u4e9b\u4e3b\u673a\u662f\u53ef\u8fbe\u7684\u3002 <\/li>\n<\/ul>\n<p> \u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u548c\u4f18\u52bf&#xff0c;\u4f8b\u5982&#xff0c;\u5728\u6d4b\u8bd5\u8fdc\u7aef\u4e3b\u673a\u7684\u8fde\u901a\u6027\u65f6&#xff0c;  ping  \u662f\u6700\u7b80\u5355\u5feb\u6377\u7684\u65b9\u5f0f&#xff0c;\u800c\u5728\u8bca\u65ad\u7f51\u7edc\u5ef6\u8fdf\u548c\u8def\u5f84\u65f6&#xff0c;  traceroute  \u63d0\u4f9b\u4e86\u66f4\u8be6\u7ec6\u7684\u89c6\u56fe\u3002 <\/p>\n<h3> 2.2 \u8fde\u901a\u6027\u68c0\u6d4b\u5de5\u5177\u7684\u5e94\u7528 <\/h3>\n<h4> 2.2.1 PING\u547d\u4ee4\u7684\u4f7f\u7528\u4e0e\u5206\u6790 <\/h4>\n<p>  ping  \u547d\u4ee4\u662f\u7f51\u7edc\u7ba1\u7406\u5458\u548c\u7528\u6237\u6700\u5e38\u7528\u7684\u7f51\u7edc\u8bca\u65ad\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u901a\u8fc7\u53d1\u9001ICMP\u56de\u663e\u8bf7\u6c42\u6d88\u606f\u5230\u76ee\u6807\u4e3b\u673a&#xff0c;\u5e76\u76d1\u542cICMP\u56de\u663e\u5e94\u7b54\u3002\u5982\u679c\u6536\u5230\u5e94\u7b54&#xff0c;\u8868\u793a\u76ee\u6807\u4e3b\u673a\u662f\u53ef\u8fbe\u7684\u3002 <\/p>\n<p> \u4e00\u4e2a\u7b80\u5355\u7684  ping  \u547d\u4ee4\u793a\u4f8b\u5982\u4e0b&#xff1a; <\/p>\n<p>ping -c 4 google.com<\/p>\n<p> \u8fd9\u91cc&#xff0c;  -c 4  \u53c2\u6570\u8868\u793a\u53d1\u90014\u6b21ICMP\u56de\u663e\u8bf7\u6c42\u3002\u6267\u884c\u547d\u4ee4\u540e&#xff0c;\u4f1a\u8f93\u51fa\u56de\u5e94\u65f6\u95f4\u548c\u4e22\u5305\u60c5\u51b5&#xff0c;\u6700\u540e\u663e\u793a\u6574\u4f53\u7edf\u8ba1\u4fe1\u606f\u3002 <\/p>\n<p>PING google.com (172.217.16.142): 56 data bytes<br \/>\n64 bytes from 172.217.16.142: icmp_seq&#061;0 ttl&#061;55 time&#061;12.557 ms<br \/>\n64 bytes from 172.217.16.142: icmp_seq&#061;1 ttl&#061;55 time&#061;12.769 ms<br \/>\n64 bytes from 172.217.16.142: icmp_seq&#061;2 ttl&#061;55 time&#061;12.487 ms<br \/>\n64 bytes from 172.217.16.142: icmp_seq&#061;3 ttl&#061;55 time&#061;12.251 ms<\/p>\n<p>&#8212; google.com ping statistics &#8212;<br \/>\n4 packets transmitted, 4 packets received, 0.0% packet loss<br \/>\nround-trip min\/avg\/max\/stddev &#061; 12.251\/12.516\/12.769\/0.181 ms<\/p>\n<p> \u901a\u8fc7\u5206\u6790  ping  \u7684\u8f93\u51fa&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5f97\u77e5\u76ee\u6807\u4e3b\u673a\u7684\u54cd\u5e94\u65f6\u95f4\u4ee5\u53ca\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u60c5\u51b5\u3002\u5982\u679c\u53d1\u73b0\u4e22\u5305\u73b0\u8c61&#xff0c;\u5219\u53ef\u80fd\u8868\u793a\u7f51\u7edc\u4e2d\u5b58\u5728\u4e22\u5305\u95ee\u9898&#xff0c;\u9700\u8981\u8fdb\u4e00\u6b65\u6392\u67e5\u3002 <\/p>\n<h4> 2.2.2 TCP\/UDP\u534f\u8bae\u8fde\u901a\u6027\u68c0\u6d4b\u5de5\u5177\u4ecb\u7ecd <\/h4>\n<p> \u9664\u4e86\u57fa\u4e8eICMP\u7684  ping  \u547d\u4ee4\u5916&#xff0c;\u9488\u5bf9\u4e0d\u540c\u7684\u534f\u8bae\u548c\u670d\u52a1&#xff0c;\u6211\u4eec\u8fd8\u6709\u4e13\u95e8\u7684\u5de5\u5177\u6765\u68c0\u6d4b\u5176\u8fde\u901a\u6027\u3002\u5bf9\u4e8eTCP\u548cUDP\u534f\u8bae&#xff0c;\u5e38\u7528\u7684\u5de5\u5177\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  telnet  &#xff1a;\u7528\u4e8e\u6d4b\u8bd5\u7aef\u53e3\u8fde\u901a\u6027\u3002\u4f8b\u5982&#xff0c;\u901a\u8fc7\u6267\u884c  telnet google.com 80  \u547d\u4ee4&#xff0c;\u5982\u679c\u7aef\u53e380\u53ef\u8fbe&#xff0c;  telnet  \u4f1a\u663e\u793a\u8fde\u63a5\u6210\u529f\u7684\u6d88\u606f\u3002 <\/li>\n<li>  nc  &#xff08;netcat&#xff09;&#xff1a;\u529f\u80fd\u5f3a\u5927\u7684\u7f51\u7edc\u5de5\u5177&#xff0c;\u53ef\u4ee5\u6253\u5f00\u8fde\u63a5\u5230TCP\u6216UDP\u7f51\u7edc\u8fde\u63a5&#xff0c;\u5e76\u8bfb\u5199\u6570\u636e\u3002 <\/li>\n<li>  nmap  &#xff1a;\u4e00\u4e2a\u591a\u529f\u80fd\u7684\u7f51\u7edc\u626b\u63cf\u5668&#xff0c;\u53ef\u7528\u4e8e\u68c0\u6d4b\u7f51\u7edc\u4e0a\u54ea\u4e9b\u4e3b\u673a\u662f\u53ef\u8fbe\u7684&#xff0c;\u5e76\u4e14\u53ef\u4ee5\u786e\u5b9a\u54ea\u4e9b\u670d\u52a1&#xff08;\u5e94\u7528\u534f\u8bae&#xff09;\u5b83\u4eec\u6b63\u5728\u63d0\u4f9b\u3002 <\/li>\n<\/ul>\n<p> \u4ee5  nmap  \u4e3a\u4f8b&#xff0c;\u4f7f\u7528\u5176\u8fdb\u884cTCP\u7aef\u53e3\u626b\u63cf\u7684\u57fa\u672c\u547d\u4ee4\u5982\u4e0b&#xff1a; <\/p>\n<p>nmap -sT -p 80,443 google.com<\/p>\n<p> \u5176\u4e2d  -sT  \u53c2\u6570\u8868\u793a\u4f7f\u7528TCP connect\u626b\u63cf\u6a21\u5f0f&#xff0c;  -p  \u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u8981\u626b\u63cf\u7684\u7aef\u53e3\u53f7\u3002 <\/p>\n<h4> 2.2.3 \u8fde\u901a\u6027\u68c0\u6d4b\u811a\u672c\u7f16\u5199\u5b9e\u8df5 <\/h4>\n<p> \u81ea\u52a8\u5316\u8fde\u901a\u6027\u68c0\u6d4b\u811a\u672c\u53ef\u4ee5\u5728\u7f51\u7edc\u76d1\u63a7\u548c\u6545\u969c\u68c0\u6d4b\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Python\u811a\u672c\u793a\u4f8b&#xff0c;\u5b83\u5229\u7528ICMP\u534f\u8bae\u6765\u68c0\u67e5\u4e3b\u673a\u662f\u5426\u53ef\u8fbe&#xff1a; <\/p>\n<p>import os<br \/>\nimport platform<\/p>\n<p># \u6839\u636e\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u8c03\u7528\u4e0d\u540c\u7684ping\u547d\u4ee4<br \/>\nif platform.system() &#061;&#061; &#034;Windows&#034;:<br \/>\n    response &#061; os.popen(&#034;ping -n 4 google.com&#034;).read()<br \/>\nelif platform.system() &#061;&#061; &#034;Linux&#034; or platform.system() &#061;&#061; &#034;Darwin&#034;:<br \/>\n    response &#061; os.popen(&#034;ping -c 4 google.com&#034;).read()<\/p>\n<p># \u8f93\u51faping\u547d\u4ee4\u7684\u7ed3\u679c<br \/>\nprint(response)<\/p>\n<p># \u89e3\u6790ping\u547d\u4ee4\u7684\u8f93\u51fa\u7ed3\u679c&#xff0c;\u68c0\u67e5\u4e3b\u673a\u662f\u5426\u53ef\u8fbe<br \/>\ndef is_host_reachable(response):<br \/>\n    if &#034;TTL&#034; in response or &#034;time&#034; in response:<br \/>\n        return True<br \/>\n    return False<\/p>\n<p># \u5224\u65ad\u4e3b\u673a\u662f\u5426\u53ef\u8fbe&#xff0c;\u5e76\u6253\u5370\u7ed3\u679c<br \/>\nif is_host_reachable(response):<br \/>\n    print(&#034;Host is reachable&#034;)<br \/>\nelse:<br \/>\n    print(&#034;Host is not reachable&#034;)<\/p>\n<p> \u811a\u672c\u9996\u5148\u5224\u65ad\u64cd\u4f5c\u7cfb\u7edf\u7c7b\u578b&#xff0c;\u5e76\u8c03\u7528\u76f8\u5e94\u7684  ping  \u547d\u4ee4\u3002\u4e4b\u540e&#xff0c;\u901a\u8fc7\u89e3\u6790\u547d\u4ee4\u8f93\u51fa\u7684\u7ed3\u679c&#xff0c;\u5224\u65ad\u76ee\u6807\u4e3b\u673a\u662f\u5426\u53ef\u8fbe&#xff0c;\u5e76\u8f93\u51fa\u7ed3\u679c\u3002 <\/p>\n<p> \u901a\u8fc7\u8fd9\u6837\u7684\u811a\u672c&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5b9a\u671f\u68c0\u67e5\u5173\u952e\u7f51\u7edc\u8bbe\u5907\u6216\u670d\u52a1\u7684\u72b6\u6001&#xff0c;\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u7f51\u7edc\u76d1\u63a7\u548c\u62a5\u8b66\u3002 <\/p>\n<h2> 3. \u54cd\u5e94\u65f6\u95f4\u5206\u6790\u53ca\u5176\u4f18\u5316 <\/h2>\n<p> \u54cd\u5e94\u65f6\u95f4\u662f\u8861\u91cf\u7f51\u7edc\u6027\u80fd\u7684\u5173\u952e\u6307\u6807\u4e4b\u4e00&#xff0c;\u5b83\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u548c\u670d\u52a1\u5668\u7684\u5b9e\u9645\u5de5\u4f5c\u80fd\u529b\u3002\u56e0\u6b64&#xff0c;\u6df1\u5165\u4e86\u89e3\u54cd\u5e94\u65f6\u95f4\u53ca\u5176\u4f18\u5316\u65b9\u6cd5&#xff0c;\u5bf9\u4e8eIT\u4e13\u4e1a\u4eba\u5458\u800c\u8a00&#xff0c;\u662f\u63d0\u5347\u670d\u52a1\u8d28\u91cf\u548c\u5de5\u4f5c\u6548\u7387\u7684\u5fc5\u8981\u624b\u6bb5\u3002 <\/p>\n<h3> 3.1 \u54cd\u5e94\u65f6\u95f4\u7684\u91cd\u8981\u6027 <\/h3>\n<h4> 3.1.1 \u54cd\u5e94\u65f6\u95f4\u7684\u6982\u5ff5\u53ca\u5176\u5f71\u54cd\u56e0\u7d20 <\/h4>\n<p> \u54cd\u5e94\u65f6\u95f4\u901a\u5e38\u6307\u7684\u662f\u4ece\u5ba2\u6237\u7aef\u53d1\u51fa\u8bf7\u6c42\u5230\u63a5\u6536\u5230\u670d\u52a1\u5668\u54cd\u5e94\u4e4b\u95f4\u7684\u65f6\u95f4\u957f\u5ea6\u3002\u5728\u66f4\u5bbd\u6cdb\u7684\u610f\u4e49\u4e0a&#xff0c;\u5b83\u4e5f\u53ef\u4ee5\u6307\u4ece\u53d1\u8d77\u4e00\u4e2a\u64cd\u4f5c\u5230\u5b8c\u6210\u8be5\u64cd\u4f5c\u6240\u9700\u7684\u603b\u65f6\u95f4\u3002\u4f8b\u5982&#xff0c;\u5728Web\u670d\u52a1\u4e2d&#xff0c;\u7528\u6237\u70b9\u51fb\u4e00\u4e2a\u94fe\u63a5&#xff0c;\u6d4f\u89c8\u5668\u53d1\u51fa\u8bf7\u6c42&#xff0c;\u7b49\u5f85\u670d\u52a1\u5668\u5904\u7406&#xff0c;\u7136\u540e\u63a5\u6536\u5e76\u6e32\u67d3\u54cd\u5e94\u5185\u5bb9\u7684\u8fc7\u7a0b\u3002 <\/p>\n<p> \u5f71\u54cd\u54cd\u5e94\u65f6\u95f4\u7684\u56e0\u7d20\u4f17\u591a&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a; <\/p>\n<ul>\n<li> \u7f51\u7edc\u5e26\u5bbd&#xff1a;\u7f51\u7edc\u62e5\u5835\u6216\u5e26\u5bbd\u4e0d\u8db3\u4f1a\u663e\u8457\u5ef6\u957f\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u7684\u4f20\u8f93\u65f6\u95f4\u3002 <\/li>\n<li> \u670d\u52a1\u5668\u5904\u7406\u80fd\u529b&#xff1a;\u670d\u52a1\u5668\u7684CPU\u548c\u5185\u5b58\u8d44\u6e90\u5982\u679c\u53d7\u9650&#xff0c;\u4f1a\u5bfc\u81f4\u5904\u7406\u8bf7\u6c42\u7684\u901f\u5ea6\u4e0b\u964d\u3002 <\/li>\n<li> \u8def\u7531\u6548\u7387&#xff1a;\u6570\u636e\u5728\u5230\u8fbe\u76ee\u7684\u5730\u524d&#xff0c;\u7ecf\u8fc7\u7684\u8def\u7531\u8282\u70b9\u8d8a\u591a&#xff0c;\u5ef6\u8fdf\u8d8a\u5927\u3002 <\/li>\n<li> \u6570\u636e\u5e93\u6027\u80fd&#xff1a;\u6570\u636e\u5e93\u67e5\u8be2\u901f\u5ea6\u548c\u4e8b\u52a1\u5904\u7406\u80fd\u529b\u76f4\u63a5\u5f71\u54cd\u5e94\u7528\u5c42\u7684\u54cd\u5e94\u65f6\u95f4\u3002 <\/li>\n<\/ul>\n<h4> 3.1.2 \u7f51\u7edc\u5ef6\u8fdf\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u5f71\u54cd <\/h4>\n<p> \u7f51\u7edc\u5ef6\u8fdf\u662f\u54cd\u5e94\u65f6\u95f4\u4e2d\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206&#xff0c;\u5c24\u5176\u5728\u5e7f\u57df\u7f51\u4e2d&#xff0c;\u6570\u636e\u5305\u4f20\u8f93\u4f1a\u7ecf\u8fc7\u591a\u4e2a\u8def\u7531\u5668&#xff0c;\u6bcf\u4e2a\u8282\u70b9\u90fd\u53ef\u80fd\u5f15\u5165\u989d\u5916\u7684\u5ef6\u8fdf\u3002\u670d\u52a1\u5668\u6027\u80fd\u5206\u6790\u65f6\u9700\u8981\u8003\u8651\u5982\u4e0b\u56e0\u7d20&#xff1a; <\/p>\n<ul>\n<li> \u7f51\u7edc\u62e5\u5835&#xff1a;\u7f51\u7edc\u6d41\u91cf\u9ad8\u5cf0\u65f6&#xff0c;\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\u5904\u7406\u80fd\u529b\u53d7\u9650&#xff0c;\u5bfc\u81f4\u6570\u636e\u5305\u6392\u961f\u7b49\u5f85&#xff0c;\u589e\u52a0\u4e86\u5ef6\u8fdf\u3002 <\/li>\n<li> \u8ddd\u79bb&#xff1a;\u7269\u7406\u8ddd\u79bb\u589e\u52a0&#xff0c;\u4fe1\u53f7\u4f20\u8f93\u65f6\u95f4\u4f1a\u968f\u4e4b\u589e\u957f\u3002\u8fd9\u5728\u6570\u636e\u9700\u8981\u8de8\u56fd\u4f20\u8f93\u65f6\u5c24\u4e3a\u663e\u8457\u3002 <\/li>\n<li> \u8def\u7531\u9009\u62e9&#xff1a;\u6548\u7387\u4f4e\u4e0b\u7684\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u4f1a\u5bfc\u81f4\u8def\u5f84\u53d8\u957f&#xff0c;\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u5ef6\u8fdf\u3002 <\/li>\n<\/ul>\n<h3> 3.2 \u54cd\u5e94\u65f6\u95f4\u7684\u6d4b\u91cf\u4e0e\u5206\u6790 <\/h3>\n<h4> 3.2.1 \u4f7f\u7528traceroute\u8ffd\u8e2a\u6570\u636e\u8def\u5f84 <\/h4>\n<p> traceroute\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u7f51\u7edc\u8bca\u65ad\u5de5\u5177&#xff0c;\u5b83\u53ef\u4ee5\u8ffd\u8e2a\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u7684\u8df3\u6570\u548c\u8def\u5f84&#xff0c;\u4ece\u800c\u4e86\u89e3\u6570\u636e\u5305\u4ece\u6e90\u5230\u76ee\u7684\u6240\u7ecf\u5386\u7684\u6bcf\u4e2a\u8282\u70b9&#xff0c;\u4ee5\u53ca\u6bcf\u4e2a\u8282\u70b9\u7684\u5ef6\u8fdf\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2atraceroute\u547d\u4ee4\u7684\u793a\u4f8b&#xff1a; <\/p>\n<p>traceroute google.com<\/p>\n<p> \u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5230\u8fbe  google.com  \u7684\u8def\u7531\u8def\u5f84&#xff0c;\u5305\u62ec\u6bcf\u4e00\u8df3\u7684\u5730\u5740\u4ee5\u53ca\u5f80\u8fd4\u65f6\u95f4&#xff08;RTT&#xff09;\u3002\u8fd9\u5bf9\u8bca\u65ad\u7f51\u7edc\u4e2d\u7684\u74f6\u9888\u975e\u5e38\u6709\u5e2e\u52a9&#xff0c;\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u8bc6\u522b\u51fa\u54ea\u4e9b\u8282\u70b9\u5bfc\u81f4\u4e86\u663e\u8457\u7684\u5ef6\u8fdf\u3002 <\/p>\n<h4> 3.2.2 \u901a\u8fc7MTR\u5408\u5e76ping\u548ctraceroute\u529f\u80fd <\/h4>\n<p> MTR\u662f\u4e00\u4e2a\u5c06ping\u548ctraceroute\u529f\u80fd\u5408\u5e76\u8d77\u6765\u7684\u8bca\u65ad\u5de5\u5177&#xff0c;\u5b83\u5b9e\u65f6\u5730\u53d1\u9001ICMP\u8bf7\u6c42\u5305&#xff0c;\u5e76\u62a5\u544a\u6570\u636e\u5305\u7684\u4e22\u5931\u60c5\u51b5\u548c\u5f80\u8fd4\u65f6\u95f4\u3002MTR\u76f8\u6bd4\u4e8e\u5355\u72ec\u4f7f\u7528traceroute\u6216ping&#xff0c;\u63d0\u4f9b\u4e86\u66f4\u52a8\u6001\u7684\u89c6\u89d2\u53bb\u5206\u6790\u7f51\u7edc\u8fde\u901a\u6027\u548c\u6027\u80fd\u3002 <\/p>\n<p>mtr google.com<\/p>\n<p> \u4e0a\u8ff0\u547d\u4ee4\u5c06\u6301\u7eed\u8f93\u51fa\u5230  google.com  \u7684\u7f51\u7edc\u8def\u5f84\u548c\u76f8\u5173\u7edf\u8ba1\u6570\u636e\u3002\u5b83\u4f1a\u6bcf\u79d2\u53d1\u9001\u4e00\u5b9a\u6570\u91cf\u7684ICMP\u5305&#xff0c;\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u65f6\u66f4\u65b0\u7684\u7f51\u7edc\u72b6\u51b5\u62a5\u544a\u3002\u8fd9\u5bf9\u4e8e\u76d1\u63a7\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u4ee5\u53ca\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\u975e\u5e38\u6709\u7528\u3002 <\/p>\n<h3> 3.3 \u54cd\u5e94\u65f6\u95f4\u4f18\u5316\u7b56\u7565 <\/h3>\n<h4> 3.3.1 \u4f18\u5316\u670d\u52a1\u5668\u914d\u7f6e <\/h4>\n<p> \u4f18\u5316\u670d\u52a1\u5668\u7684\u54cd\u5e94\u65f6\u95f4&#xff0c;\u53ef\u4ee5\u4ece\u591a\u65b9\u9762\u7740\u624b&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a; <\/p>\n<ul>\n<li> \u4f18\u5316\u670d\u52a1\u4ee3\u7801&#xff1a;\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u7684\u6548\u7387&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u548c\u8d44\u6e90\u6d88\u8017\u3002 <\/li>\n<li> \u8d1f\u8f7d\u5747\u8861&#xff1a;\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5668\u5206\u53d1\u8bf7\u6c42\u5230\u591a\u4e2a\u670d\u52a1\u5668&#xff0c;\u907f\u514d\u5355\u70b9\u8fc7\u8f7d\u3002 <\/li>\n<li> \u7f13\u5b58\u7b56\u7565&#xff1a;\u5b9e\u65bd\u6709\u6548\u7684\u5185\u5bb9\u7f13\u5b58\u7b56\u7565&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u6b21\u6570\u548c\u63d0\u9ad8\u6570\u636e\u8bfb\u53d6\u901f\u5ea6\u3002 <\/li>\n<\/ul>\n<h4> 3.3.2 \u7f51\u7edc\u8bbe\u5907\u7684\u8c03\u6574\u4e0e\u4f18\u5316 <\/h4>\n<p> \u7f51\u7edc\u8bbe\u5907\u7684\u8c03\u6574\u540c\u6837\u5bf9\u4f18\u5316\u54cd\u5e94\u65f6\u95f4\u81f3\u5173\u91cd\u8981&#xff1a; <\/p>\n<ul>\n<li> \u8def\u7531\u4f18\u5316&#xff1a;\u8c03\u6574\u8def\u7531\u7b56\u7565&#xff0c;\u4f18\u5316\u8def\u5f84\u9009\u62e9&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8df3\u6570\u3002 <\/li>\n<li> \u7f51\u7edc\u62e5\u5835\u7ba1\u7406&#xff1a;\u901a\u8fc7\u5e26\u5bbd\u7ba1\u7406&#xff0c;\u4f18\u5148\u5904\u7406\u5173\u952e\u4e1a\u52a1\u7684\u6570\u636e\u6d41&#xff0c;\u907f\u514d\u7f51\u7edc\u62e5\u5835\u3002 <\/li>\n<li> QoS\u914d\u7f6e&#xff1a;\u5b9e\u65bd\u670d\u52a1\u8d28\u91cf&#xff08;Quality of Service, QoS&#xff09;\u89c4\u5219&#xff0c;\u4fdd\u8bc1\u5173\u952e\u4e1a\u52a1\u7684\u7f51\u7edc\u8d44\u6e90\u3002 <\/li>\n<\/ul>\n<h4> \u8868\u683c&#xff1a;\u5e38\u89c1\u4f18\u5316\u7b56\u7565\u53ca\u5176\u6548\u679c <\/h4>\n<p> | \u7b56\u7565\u7c7b\u578b | \u5177\u4f53\u63aa\u65bd | \u6548\u679c\u9884\u671f | | &#8212;&#8212;&#8212;&#8212;&#8211; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; | | \u670d\u52a1\u5668\u786c\u4ef6\u5347\u7ea7 | \u589e\u52a0\u5185\u5b58\u3001CPU\u3001SSD\u7b49 | \u63d0\u9ad8\u5904\u7406\u80fd\u529b\u548c\u6570\u636e\u8bbf\u95ee\u901f\u5ea6 | | \u4ee3\u7801\u4f18\u5316 | \u7cbe\u7b80\u4ee3\u7801\u3001\u7b97\u6cd5\u4f18\u5316 | \u51cf\u5c11\u8ba1\u7b97\u65f6\u95f4&#xff0c;\u964d\u4f4e\u8d44\u6e90\u6d88\u8017 | | \u6570\u636e\u5e93\u4f18\u5316 | \u7d22\u5f15\u4f18\u5316\u3001\u67e5\u8be2\u91cd\u5199 | \u52a0\u5feb\u6570\u636e\u68c0\u7d22\u901f\u5ea6&#xff0c;\u51cf\u5c11\u54cd\u5e94\u65f6\u95f4 | | \u7f51\u7edc\u8bbe\u5907\u914d\u7f6e | \u8def\u7531\u4f18\u5316\u3001QoS\u8bbe\u7f6e | \u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u6548\u7387&#xff0c;\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf | | \u5185\u5bb9\u5206\u53d1\u7f51\u7edc | \u4f7f\u7528CDN\u7f13\u5b58\u5185\u5bb9 | \u51cf\u5c11\u5168\u7403\u7528\u6237\u7684\u6570\u636e\u4f20\u8f93\u8ddd\u79bb&#xff0c;\u63d0\u5347\u8bbf\u95ee\u901f\u5ea6 | <\/p>\n<h4> \u4ee3\u7801\u5757&#xff1a;Linux\u547d\u4ee4\u8ffd\u8e2a\u7f51\u7edc\u5ef6\u8fdf <\/h4>\n<p>#!\/bin\/bash<\/p>\n<p># traceroute\u548cping\u7684\u7ec4\u5408\u811a\u672c&#xff0c;\u4f7f\u7528\u5e76\u53d1\u6765\u8ffd\u8e2a\u5ef6\u8fdf<\/p>\n<p>function trace_route() {<br \/>\n    echo &#034;Tracing route to $1&#034;<br \/>\n    traceroute -w 1 $1<br \/>\n}<\/p>\n<p>function ping_test() {<br \/>\n    echo &#034;Pinging $1&#034;<br \/>\n    ping -c 5 -i 0.2 $1<br \/>\n}<\/p>\n<p>trace_route www.google.com<br \/>\nping_test www.google.com<\/p>\n<p>  \u903b\u8f91\u5206\u6790\u4e0e\u53c2\u6570\u8bf4\u660e&#xff1a;  <\/p>\n<ul>\n<li>  traceroute -w 1 $1  &#xff1a;  -w  \u53c2\u6570\u5b9a\u4e49\u4e86\u7b49\u5f85\u54cd\u5e94\u7684\u8d85\u65f6\u65f6\u95f4&#xff0c;\u5355\u4f4d\u4e3a\u79d2\u3002\u8fd9\u91cc\u8bbe\u7f6e\u4e3a1\u79d2&#xff0c;\u8868\u793a\u5feb\u901f\u8ffd\u8e2a&#xff0c;\u4f46\u53ef\u80fd\u5bfc\u81f4\u4e0d\u5b8c\u6574\u7684\u7ed3\u679c\u3002  $1  \u662f\u811a\u672c\u7684\u53c2\u6570&#xff0c;\u5373\u6211\u4eec\u8981\u8ffd\u8e2a\u7684\u76ee\u6807\u57df\u540d\u6216IP\u5730\u5740\u3002 <\/li>\n<li>  ping -c 5 -i 0.2 $1  &#xff1a;  -c  \u53c2\u6570\u6307\u5b9a\u53d1\u9001\u7684\u56de\u663e\u8bf7\u6c42\u6570\u91cf&#xff0c;\u8fd9\u91cc\u662f5\u4e2a\u3002  -i  \u53c2\u6570\u8bbe\u7f6e\u53d1\u9001\u56de\u663e\u8bf7\u6c42\u7684\u95f4\u9694&#xff0c;\u8fd9\u91cc\u662f0.2\u79d2\u3002  $1  \u540c\u6837\u662f\u811a\u672c\u7684\u53c2\u6570\u3002 <\/li>\n<\/ul>\n<p> \u4ee5\u4e0a\u811a\u672c\u5c06\u5bf9\u6307\u5b9a\u7684\u76ee\u6807\u6267\u884c\u4e00\u6b21traceroute\u8ffd\u8e2a\u548c\u4e00\u6b21ping\u6d4b\u8bd5&#xff0c;\u4ece\u800c\u5e2e\u52a9\u6211\u4eec\u5206\u6790\u548c\u4f18\u5316\u7f51\u7edc\u54cd\u5e94\u65f6\u95f4\u3002 <\/p>\n<p> \u901a\u8fc7\u672c\u7ae0\u8282\u7684\u4ecb\u7ecd&#xff0c;\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u5230\u54cd\u5e94\u65f6\u95f4\u5bf9\u4e8e\u7f51\u7edc\u6027\u80fd\u7684\u91cd\u8981\u6027&#xff0c;\u638c\u63e1\u4e86\u6d4b\u91cf\u548c\u5206\u6790\u54cd\u5e94\u65f6\u95f4\u7684\u65b9\u6cd5&#xff0c;\u5e76\u5b66\u4e60\u4e86\u4e00\u4e9b\u5b9e\u7528\u7684\u4f18\u5316\u7b56\u7565\u3002\u8fd9\u4e9b\u77e5\u8bc6\u548c\u6280\u80fd\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ba1\u7406\u548c\u63d0\u5347\u7f51\u7edc\u670d\u52a1\u8d28\u91cf\u3002 <\/p>\n<h2> 4. \u7aef\u53e3\u5f00\u653e\u68c0\u67e5\u4e0e\u7ba1\u7406 <\/h2>\n<h3> 4.1 \u7aef\u53e3\u68c0\u6d4b\u57fa\u672c\u539f\u7406 <\/h3>\n<h4> 4.1.1 \u7aef\u53e3\u4e0e\u670d\u52a1\u7684\u5173\u7cfb <\/h4>\n<p> \u7aef\u53e3\u662f\u7f51\u7edc\u670d\u52a1\u7684\u63a5\u5165\u70b9&#xff0c;\u6bcf\u4e2a\u8fd0\u884c\u7684\u670d\u52a1\u90fd\u4f1a\u5728\u670d\u52a1\u5668\u4e0a\u76d1\u542c\u4e00\u4e2a\u6216\u591a\u4e2a\u7aef\u53e3&#xff0c;\u7b49\u5f85\u5916\u90e8\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u5f53\u7528\u6237\u5c1d\u8bd5\u8bbf\u95ee\u7f51\u7edc\u670d\u52a1\u65f6&#xff0c;\u5b9e\u9645\u4e0a\u662f\u5411\u5bf9\u5e94\u670d\u52a1\u76d1\u542c\u7684\u7aef\u53e3\u53d1\u8d77\u8fde\u63a5\u3002\u4f8b\u5982&#xff0c;Web\u670d\u52a1\u901a\u5e38\u8fd0\u884c\u5728\u7aef\u53e380&#xff08;HTTP&#xff09;\u6216443&#xff08;HTTPS&#xff09;&#xff0c;\u800cSSH\u670d\u52a1\u5219\u8fd0\u884c\u572822\u7aef\u53e3\u3002\u4e86\u89e3\u7aef\u53e3\u4e0e\u670d\u52a1\u4e4b\u95f4\u7684\u5173\u7cfb\u5bf9\u4e8e\u7f51\u7edc\u76d1\u63a7\u548c\u5b89\u5168\u9632\u62a4\u81f3\u5173\u91cd\u8981&#xff0c;\u56e0\u4e3a\u5b83\u80fd\u5e2e\u52a9\u8bc6\u522b\u54ea\u4e9b\u670d\u52a1\u662f\u5141\u8bb8\u8fd0\u884c\u7684&#xff0c;\u54ea\u4e9b\u53ef\u80fd\u662f\u672a\u6388\u6743\u6216\u6f5c\u5728\u5a01\u80c1\u7684\u7aef\u53e3\u3002 <\/p>\n<h4> 4.1.2 \u7aef\u53e3\u626b\u63cf\u6280\u672f\u539f\u7406 <\/h4>\n<p> \u7aef\u53e3\u626b\u63cf\u662f\u4e00\u79cd\u7f51\u7edc\u63a2\u6d4b\u6280\u672f&#xff0c;\u7528\u6765\u786e\u5b9a\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u5f00\u653e\u3001\u5173\u95ed\u6216\u88ab\u8fc7\u6ee4\u7684\u7aef\u53e3\u3002\u626b\u63cf\u53ef\u4ee5\u53d1\u73b0\u7f51\u7edc\u8bbe\u5907\u4e0a\u8fd0\u884c\u7684\u670d\u52a1\u7c7b\u578b\u548c\u7248\u672c&#xff0c;\u8fd9\u662f\u653b\u51fb\u8005\u83b7\u53d6\u76ee\u6807\u7cfb\u7edf\u4fe1\u606f\u7684\u5173\u952e\u6b65\u9aa4\u3002\u7aef\u53e3\u626b\u63cf\u6280\u672f\u6709\u591a\u79cd&#xff0c;\u5305\u62ecTCP SYN\u626b\u63cf\u3001UDP\u626b\u63cf\u3001TCP Connect\u626b\u63cf\u7b49\u3002\u6bcf\u79cd\u626b\u63cf\u65b9\u5f0f\u5229\u7528\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u548cIP\u5934\u90e8\u6807\u5fd7\u4f4d&#xff0c;\u4ee5\u907f\u514d\u88ab\u9632\u706b\u5899\u53d1\u73b0&#xff0c;\u540c\u65f6\u5c3d\u53ef\u80fd\u5730\u83b7\u53d6\u76ee\u6807\u7cfb\u7edf\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u901a\u8fc7\u7aef\u53e3\u626b\u63cf&#xff0c;\u7f51\u7edc\u7ba1\u7406\u5458\u53ef\u4ee5\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u91c7\u53d6\u63aa\u65bd\u4fdd\u62a4\u670d\u52a1\u5668\u4e0d\u53d7\u672a\u6388\u6743\u8bbf\u95ee\u3002 <\/p>\n<h3> 4.2 \u7aef\u53e3\u68c0\u67e5\u5de5\u5177\u7684\u5e94\u7528 <\/h3>\n<h4> 4.2.1 Nmap\u7684\u5b89\u88c5\u4e0e\u4f7f\u7528 <\/h4>\n<p> Nmap&#xff08;Network Mapper&#xff09;\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7f51\u7edc\u63a2\u6d4b\u548c\u5b89\u5168\u5ba1\u6838\u5de5\u5177&#xff0c;\u5e7f\u6cdb\u7528\u4e8e\u7aef\u53e3\u626b\u63cf\u3001\u670d\u52a1\u53d1\u73b0\u3001\u64cd\u4f5c\u7cfb\u7edf\u63a2\u6d4b\u3001\u7f51\u7edc\u6f0f\u6d1e\u63a2\u6d4b\u7b49\u3002\u5b83\u652f\u6301\u591a\u79cd\u5e73\u53f0&#xff0c;\u5305\u62ecWindows\u3001Linux\u548cMac OS X\u3002\u5b89\u88c5Nmap\u76f8\u5bf9\u7b80\u5355&#xff0c;\u5bf9\u4e8e\u57fa\u4e8eDebian\u7684\u7cfb\u7edf\u5982Ubuntu&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5&#xff1a; <\/p>\n<p>sudo apt-get install nmap<\/p>\n<p> \u4f7f\u7528Nmap\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u7684\u57fa\u672c\u547d\u4ee4\u662f&#xff1a; <\/p>\n<p>nmap [\u76ee\u6807IP\u5730\u5740\u6216\u57df\u540d]<\/p>\n<p> \u4f8b\u5982&#xff0c;\u626b\u63cf\u4e00\u4e2aIP\u5730\u5740\u7684\u6240\u6709\u7aef\u53e3&#xff0c;\u53ef\u4ee5\u4f7f\u7528&#xff1a; <\/p>\n<p>nmap 192.168.1.1<\/p>\n<p> Nmap\u80fd\u591f\u63d0\u4f9b\u8be6\u7ec6\u7684\u4fe1\u606f&#xff0c;\u5982\u5f00\u653e\u7aef\u53e3\u3001\u670d\u52a1\u7c7b\u578b\u3001\u7248\u672c\u4fe1\u606f\u7b49\u3002\u6b64\u5916&#xff0c;Nmap\u8fd8\u6709\u4e30\u5bcc\u7684\u53c2\u6570\u9009\u9879&#xff0c;\u5141\u8bb8\u7528\u6237\u5b9a\u5236\u626b\u63cf\u7684\u6df1\u5ea6\u548c\u5e7f\u5ea6&#xff0c;\u4f8b\u5982\u6307\u5b9a\u7aef\u53e3\u8303\u56f4\u3001\u4f7f\u7528\u7279\u5b9a\u7684\u626b\u63cf\u6280\u672f\u6216\u8bbe\u7f6e\u8d85\u65f6\u53c2\u6570\u3002 <\/p>\n<h4> 4.2.2 \u7aef\u53e3\u626b\u63cf\u7ed3\u679c\u5206\u6790\u4e0e\u5904\u7406 <\/h4>\n<p> \u5f53\u7aef\u53e3\u626b\u63cf\u5b8c\u6210&#xff0c;Nmap\u4f1a\u751f\u6210\u4e00\u4e2a\u5305\u542b\u7aef\u53e3\u72b6\u6001\u548c\u53ef\u80fd\u670d\u52a1\u4fe1\u606f\u7684\u62a5\u544a\u3002\u4f8b\u5982&#xff0c;\u4e00\u4e2a\u5178\u578b\u7684Nmap\u8f93\u51fa\u53ef\u80fd\u5305\u542b\u5982\u4e0b\u4fe1\u606f&#xff1a; <\/p>\n<p>Starting Nmap 7.80 ( https:\/\/nmap.org ) at 2023-03-22 10:15 EDT<br \/>\nNmap scan report for 192.168.1.1<br \/>\nHost is up (0.0012s latency).<br \/>\nNot shown: 997 closed ports<br \/>\nPORT   STATE SERVICE VERSION<br \/>\n21\/tcp open  ftp     vsftpd 2.3.4<br \/>\n22\/tcp open  ssh     OpenSSH 6.6.1p1 Ubuntu 2ubuntu2 (Ubuntu Linux; protocol 2.0)<br \/>\n80\/tcp open  http    Apache httpd 2.4.7 ((Ubuntu))<\/p>\n<p> \u5206\u6790Nmap\u7684\u8f93\u51fa\u7ed3\u679c\u65f6&#xff0c;\u5e94\u7279\u522b\u5173\u6ce8\u5f00\u653e\u7aef\u53e3\u7684\u670d\u52a1\u4fe1\u606f&#xff0c;\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u8868\u660e\u4e86\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u5f00\u653e\u7684\u7aef\u53e3&#xff0c;\u7ba1\u7406\u5458\u9700\u8981\u5224\u65ad\u662f\u5426\u6709\u5fc5\u8981\u5f00\u653e&#xff0c;\u5982\u679c\u4e0d\u9700\u8981&#xff0c;\u5219\u5e94\u5173\u95ed\u8fd9\u4e9b\u7aef\u53e3&#xff0c;\u4ee5\u51cf\u5c11\u88ab\u653b\u51fb\u7684\u53ef\u80fd\u3002\u6b64\u5916&#xff0c;\u5bf9\u4e8e\u7248\u672c\u4fe1\u606f&#xff0c;\u5e94\u5f53\u68c0\u67e5\u662f\u5426\u6709\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u5e76\u53ca\u65f6\u66f4\u65b0\u6216\u6253\u8865\u4e01\u3002 <\/p>\n<h3> 4.3 \u7aef\u53e3\u5b89\u5168\u9632\u62a4\u63aa\u65bd <\/h3>\n<h4> 4.3.1 \u9632\u706b\u5899\u914d\u7f6e\u4e0e\u7aef\u53e3\u7ba1\u7406 <\/h4>\n<p> \u9632\u706b\u5899\u662f\u4fdd\u62a4\u7f51\u7edc\u5b89\u5168\u7684\u91cd\u8981\u5de5\u5177&#xff0c;\u5b83\u53ef\u4ee5\u5141\u8bb8\u6216\u62d2\u7edd\u901a\u8fc7\u7279\u5b9a\u7aef\u53e3\u7684\u6d41\u91cf\u3002\u5728Linux\u7cfb\u7edf\u4e2d&#xff0c;iptables\u662f\u5e38\u7528\u7684\u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\u3002\u8981\u914d\u7f6eiptables\u963b\u6b62\u5bf9\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4&#xff1a; <\/p>\n<p>sudo iptables -A INPUT -p tcp &#8211;dport [\u7aef\u53e3\u53f7] -j DROP<\/p>\n<p> \u8be5\u547d\u4ee4\u4f1a\u5c06\u6240\u6709\u8bd5\u56fe\u8fde\u63a5\u5230\u6307\u5b9a\u7aef\u53e3\u7684TCP\u6d41\u91cf\u4e22\u5f03\u3002\u5bf9\u4e8e\u9700\u8981\u7ec6\u7c92\u5ea6\u63a7\u5236\u7684\u573a\u666f&#xff0c;\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\u5339\u914d\u7279\u5b9a\u7684IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u548c\u534f\u8bae\u7c7b\u578b\u3002 <\/p>\n<h4> 4.3.2 \u5b89\u5168\u5ba1\u8ba1\u4e0e\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf <\/h4>\n<p> \u9664\u4e86\u9632\u706b\u5899&#xff0c;\u5b89\u5168\u5ba1\u8ba1\u548c\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf&#xff08;IDS&#xff09;\u4e5f\u662f\u4fdd\u62a4\u7f51\u7edc\u7aef\u53e3\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5b89\u5168\u5ba1\u8ba1\u53ef\u4ee5\u5b9a\u671f\u68c0\u67e5\u7cfb\u7edf\u914d\u7f6e\u548c\u65e5\u5fd7&#xff0c;\u4ee5\u53d1\u73b0\u5f02\u5e38\u884c\u4e3a\u548c\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002\u800cIDS\u5219\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf&#xff0c;\u5bfb\u627e\u53ef\u80fd\u7684\u653b\u51fb\u6a21\u5f0f\u548c\u5f02\u5e38\u6d3b\u52a8&#xff0c;\u5b83\u80fd\u591f\u5728\u68c0\u6d4b\u5230\u5165\u4fb5\u884c\u4e3a\u65f6\u81ea\u52a8\u91c7\u53d6\u54cd\u5e94\u63aa\u65bd&#xff0c;\u5982\u901a\u77e5\u7ba1\u7406\u5458\u3001\u963b\u65ad\u653b\u51fb\u6e90\u7b49\u3002 <\/p>\n<p> \u4f7f\u7528Nmap\u548ciptables\u7b49\u5de5\u5177&#xff0c;\u7ba1\u7406\u5458\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u670d\u52a1\u5668\u4e0a\u7684\u5f00\u653e\u7aef\u53e3&#xff0c;\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u7aef\u53e3\u5f00\u653e&#xff0c;\u5e76\u4e14\u6d41\u91cf\u53d7\u5230\u9002\u5f53\u7684\u5b89\u5168\u63aa\u65bd\u4fdd\u62a4\u3002\u7aef\u53e3\u5b89\u5168\u7684\u7ba1\u7406\u4e0d\u4ec5\u9700\u8981\u6280\u672f\u624b\u6bb5&#xff0c;\u8fd8\u9700\u8981\u5b9a\u671f\u7684\u5b89\u5168\u5ba1\u8ba1\u548c\u7b56\u7565\u66f4\u65b0&#xff0c;\u4ee5\u5e94\u5bf9\u4e0d\u65ad\u53d8\u5316\u7684\u7f51\u7edc\u5a01\u80c1\u3002 <\/p>\n<h2> 5. \u5e26\u5bbd\u5229\u7528\u7387\u76d1\u63a7\u4e0e\u63a7\u5236 <\/h2>\n<h3> 5.1 \u5e26\u5bbd\u76d1\u63a7\u7684\u5fc5\u8981\u6027 <\/h3>\n<h4> 5.1.1 \u5e26\u5bbd\u7684\u5b9a\u4e49\u548c\u5f71\u54cd <\/h4>\n<p> \u5e26\u5bbd\u662f\u7f51\u7edc\u672f\u8bed&#xff0c;\u6307\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4ee5\u4ece\u7f51\u7edc\u7684\u4e00\u4e2a\u8282\u70b9\u4f20\u9001\u5230\u53e6\u4e00\u4e2a\u8282\u70b9\u7684\u6700\u5927\u6570\u636e\u91cf\u3002\u5728\u73b0\u4ee3\u7f51\u7edc\u901a\u4fe1\u4e2d&#xff0c;\u5e26\u5bbd\u901a\u5e38\u4ee5\u4f4d\u6bcf\u79d2&#xff08;bps&#xff09;\u6765\u8868\u793a&#xff0c;\u66f4\u9ad8\u7684\u5e26\u5bbd\u610f\u5473\u7740\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u5e26\u5bbd\u5bf9\u7f51\u7edc\u4f53\u9a8c\u6709\u7740\u76f4\u63a5\u5f71\u54cd&#xff0c;\u5c24\u5176\u5728\u9ad8\u6570\u636e\u9700\u6c42\u7684\u573a\u666f\u4e0b&#xff0c;\u5982\u89c6\u9891\u4f1a\u8bae\u3001\u5728\u7ebf\u6e38\u620f\u6216\u5927\u89c4\u6a21\u6570\u636e\u4f20\u8f93\u3002 <\/p>\n<p>  \u5f71\u54cd\u56e0\u7d20&#xff1a;  <\/p>\n<ul>\n<li>  \u7f51\u7edc\u8bbe\u5907\u7684\u6027\u80fd&#xff1a;  \u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u4ee5\u53ca\u670d\u52a1\u5668\u7684\u5e26\u5bbd\u5904\u7406\u80fd\u529b\u3002 <\/li>\n<li>  \u7269\u7406\u4ecb\u8d28&#xff1a;  \u7535\u7f06\u3001\u5149\u7ea4\u7b49\u4f20\u8f93\u4ecb\u8d28\u7684\u5e26\u5bbd\u4e0a\u9650\u3002 <\/li>\n<li>  \u4fe1\u53f7\u5e72\u6270&#xff1a;  \u7535\u78c1\u5e72\u6270\u3001\u4fe1\u53f7\u8870\u51cf\u7b49\u7269\u7406\u56e0\u7d20\u5bf9\u5e26\u5bbd\u7684\u5f71\u54cd\u3002 <\/li>\n<li>  \u534f\u8bae\u5f00\u9500&#xff1a;  \u6570\u636e\u5c01\u88c5\u3001\u7f51\u7edc\u534f\u8bae\u81ea\u8eab\u4ea7\u751f\u7684\u63a7\u5236\u4fe1\u606f\u7b49\u5f00\u9500\u3002 <\/li>\n<\/ul>\n<h4> 5.1.2 \u5e26\u5bbd\u76d1\u63a7\u7684\u4f5c\u7528\u4e0e\u6311\u6218 <\/h4>\n<p> \u5e26\u5bbd\u76d1\u63a7\u662f\u6307\u6301\u7eed\u8ddf\u8e2a\u7f51\u7edc\u6570\u636e\u6d41\u548c\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5&#xff0c;\u786e\u4fdd\u7f51\u7edc\u7684\u9ad8\u6548\u8fd0\u4f5c\u3002\u6709\u6548\u7684\u5e26\u5bbd\u76d1\u63a7\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u7f51\u7edc\u62e5\u585e\u3001\u5ef6\u8fdf\u95ee\u9898&#xff0c;\u751a\u81f3\u53ef\u4ee5\u7528\u4e8e\u9884\u9632\u6f5c\u5728\u7684\u7f51\u7edc\u653b\u51fb\u3002 <\/p>\n<p>  \u76d1\u63a7\u4f5c\u7528&#xff1a;  <\/p>\n<ul>\n<li>  \u6027\u80fd\u8bc4\u4f30&#xff1a;  \u5b9a\u671f\u68c0\u67e5\u7f51\u7edc\u8fd0\u884c\u72b6\u51b5\u548c\u6027\u80fd\u3002 <\/li>\n<li>  \u62e5\u585e\u9884\u9632&#xff1a;  \u63d0\u524d\u53d1\u73b0\u7f51\u7edc\u74f6\u9888\u5e76\u91c7\u53d6\u63aa\u65bd\u3002 <\/li>\n<li>  \u6210\u672c\u63a7\u5236&#xff1a;  \u4e86\u89e3\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5&#xff0c;\u5408\u7406\u89c4\u5212\u5e26\u5bbd\u8d44\u6e90\u7684\u91c7\u8d2d\u3002 <\/li>\n<\/ul>\n<p>  \u9762\u4e34\u7684\u6311\u6218&#xff1a;  <\/p>\n<ul>\n<li>  \u7f51\u7edc\u590d\u6742\u6027&#xff1a;  \u968f\u7740\u4e91\u670d\u52a1\u548c\u865a\u62df\u5316\u6280\u672f\u7684\u666e\u53ca&#xff0c;\u7f51\u7edc\u67b6\u6784\u53d8\u5f97\u8d8a\u6765\u8d8a\u590d\u6742\u3002 <\/li>\n<li>  \u6570\u636e\u91cf\u5927&#xff1a;  \u5927\u6570\u636e\u65f6\u4ee3\u7684\u80cc\u666f\u4e0b&#xff0c;\u7f51\u7edc\u4f20\u8f93\u7684\u6570\u636e\u91cf\u8d8a\u6765\u8d8a\u5927&#xff0c;\u76d1\u63a7\u548c\u5206\u6790\u6210\u4e3a\u4e00\u5927\u96be\u9898\u3002 <\/li>\n<li>  \u5b9e\u65f6\u6027\u8981\u6c42&#xff1a;  \u9ad8\u901f\u7f51\u7edc\u8981\u6c42\u5e26\u5bbd\u76d1\u63a7\u5de5\u5177\u5177\u5907\u4f4e\u5ef6\u8fdf\u7684\u53cd\u5e94\u80fd\u529b\u3002 <\/li>\n<\/ul>\n<h3> 5.2 \u5e26\u5bbd\u76d1\u63a7\u7684\u7b56\u7565\u4e0e\u5de5\u5177 <\/h3>\n<h4> 5.2.1 \u4f7f\u7528iftop\u548cnethogs\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7 <\/h4>\n<p>  iftop  \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u5de5\u5177&#xff0c;\u5b83\u80fd\u591f\u5c55\u793a\u5b9e\u65f6\u7684\u8fdb\u51fa\u5e26\u5bbd\u60c5\u51b5&#xff0c;\u6309\u7167\u8fde\u63a5\u663e\u793a\u6d41\u91cf\u7edf\u8ba1\u3002iftop\u5728\u7c7bUnix\u7cfb\u7edf\u4e0a\u975e\u5e38\u53d7\u6b22\u8fce&#xff0c;\u53ef\u4ee5\u8fd0\u884c\u5728Linux\u3001FreeBSD\u7b49\u7cfb\u7edf\u4e0a\u3002 <\/p>\n<p>  \u4ee3\u7801\u793a\u4f8b&#xff1a;  <\/p>\n<p>sudo iftop -nNP<\/p>\n<p>  \u53c2\u6570\u8bf4\u660e&#xff1a;  &#8211;  -n  \u9009\u9879\u907f\u514d\u89e3\u6790\u4e3b\u673a\u540d&#xff0c;\u51cf\u5c11\u7cfb\u7edf\u8d44\u6e90\u6d88\u8017\u3002 &#8211;  -N  \u9009\u9879\u4e0d\u89e3\u6790\u670d\u52a1\u540d&#xff0c;\u53ea\u663e\u793a\u7aef\u53e3\u53f7\u3002 &#8211;  -P  \u9009\u9879\u663e\u793a\u7aef\u53e3\u53f7\u3002 <\/p>\n<p>  \u5206\u6790&#xff1a;  \u8be5\u547d\u4ee4\u542f\u52a8iftop&#xff0c;\u5e76\u4ee5\u6570\u5b57\u5f62\u5f0f\u663e\u793aIP\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u4ece\u800c\u51cf\u5c11iftop\u5bf9DNS\u548c\u670d\u52a1\u89e3\u6790\u7684\u4f9d\u8d56&#xff0c;\u63d0\u9ad8\u6027\u80fd\u3002 <\/p>\n<p>  nethogs  \u662f\u4e00\u4e2a\u7c7b\u4f3c\u4e8etop\u7684\u5de5\u5177&#xff0c;\u4f46\u5b83\u4e13\u95e8\u7528\u4e8e\u76d1\u63a7\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u7f51\u7edc\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u3002\u5b83\u5c06\u5e26\u5bbd\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u8fdb\u7a0b&#xff0c;\u4ece\u800c\u53ef\u4ee5\u8f7b\u677e\u8bc6\u522b\u51fa\u5e26\u5bbd\u6d88\u8017\u5927\u6237\u3002 <\/p>\n<p>  \u4ee3\u7801\u793a\u4f8b&#xff1a;  <\/p>\n<p>sudo nethogs eth0<\/p>\n<p>  \u53c2\u6570\u8bf4\u660e&#xff1a;  &#8211;  eth0  \u6307\u5b9a\u76d1\u63a7\u7684\u7f51\u7edc\u63a5\u53e3\u3002 <\/p>\n<p>  \u5206\u6790&#xff1a;  \u6b64\u547d\u4ee4\u5c06\u5bf9\u540d\u4e3a\u201ceth0\u201d\u7684\u7f51\u7edc\u63a5\u53e3\u8fdb\u884c\u5e26\u5bbd\u76d1\u63a7&#xff0c;\u5c06\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5b9e\u65f6\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u4ee5\u8868\u683c\u5f62\u5f0f\u5217\u51fa\u3002 <\/p>\n<h4> 5.2.2 \u5229\u7528\u7f51\u7edc\u5206\u6790\u5de5\u5177\u8bc4\u4f30\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5 <\/h4>\n<p> \u7f51\u7edc\u5206\u6790\u5de5\u5177\u5982Wireshark\u6216tcpdump\u53ef\u7528\u4e8e\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305&#xff0c;\u8fdb\u884c\u6df1\u5165\u5206\u6790\u3002\u8fd9\u7c7b\u5de5\u5177\u4e0d\u4ec5\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5&#xff0c;\u8fd8\u80fd\u5e2e\u52a9\u8bc6\u522b\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1&#xff0c;\u4f8b\u5982DDoS\u653b\u51fb\u3002 <\/p>\n<p>  \u4ee3\u7801\u793a\u4f8b&#xff1a;  <\/p>\n<p>sudo tcpdump -i eth0 -w traffic.pcap<\/p>\n<p>  \u53c2\u6570\u8bf4\u660e&#xff1a;  &#8211;  -i eth0  \u6307\u5b9a\u76d1\u542c\u7684\u7f51\u7edc\u63a5\u53e3\u3002 &#8211;  -w traffic.pcap  \u5c06\u6355\u83b7\u7684\u6570\u636e\u5305\u5199\u5165\u6587\u4ef6  traffic.pcap  \u3002 <\/p>\n<p>  \u5206\u6790&#xff1a;  \u6b64\u547d\u4ee4\u5728\u6307\u5b9a\u7684\u7f51\u7edc\u63a5\u53e3\u4e0a\u6355\u83b7\u6570\u636e\u5305&#xff0c;\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u5305\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u4ee5\u4f9b\u540e\u7eed\u5206\u6790\u3002\u8fd9\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u5728\u653b\u51fb\u53d1\u751f\u540e\u4ed4\u7ec6\u68c0\u67e5\u6570\u636e\u5305\u5185\u5bb9&#xff0c;\u4ee5\u786e\u5b9a\u653b\u51fb\u7684\u6027\u8d28\u548c\u8303\u56f4\u3002 <\/p>\n<h3> 5.3 \u5e26\u5bbd\u7ba1\u7406\u4e0e\u4f18\u5316 <\/h3>\n<h4> 5.3.1 \u5e26\u5bbd\u5206\u914d\u7b56\u7565 <\/h4>\n<p> \u5e26\u5bbd\u7ba1\u7406\u901a\u5e38\u5305\u62ec\u5408\u7406\u5206\u914d\u5e26\u5bbd\u8d44\u6e90&#xff0c;\u786e\u4fdd\u5173\u952e\u4e1a\u52a1\u4e0d\u53d7\u5f71\u54cd\u3002\u5e26\u5bbd\u7ba1\u7406\u7b56\u7565\u7684\u5236\u5b9a\u9700\u8981\u57fa\u4e8e\u4e1a\u52a1\u4f18\u5148\u7ea7\u548c\u6d41\u91cf\u6a21\u5f0f\u3002 <\/p>\n<p>  \u7b56\u7565\u793a\u4f8b&#xff1a;  <\/p>\n<ul>\n<li>  \u4f18\u5148\u7ea7\u5212\u5206&#xff1a;  \u6839\u636e\u4e1a\u52a1\u91cd\u8981\u6027\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u6d41\u91cf\u5206\u914d\u4f18\u5148\u7ea7\u3002 <\/li>\n<li>  \u6d41\u91cf\u6574\u5f62&#xff1a;  \u9650\u5236\u67d0\u4e9b\u7c7b\u578b\u6d41\u91cf\u7684\u5e26\u5bbd\u4f7f\u7528\u4e0a\u9650\u3002 <\/li>\n<li>  \u5e26\u5bbd\u4fdd\u8bc1&#xff1a;  \u4e3a\u5173\u952e\u4e1a\u52a1\u9884\u7559\u5e26\u5bbd&#xff0c;\u4ee5\u9632\u6b62\u62e5\u585e\u3002 <\/li>\n<\/ul>\n<h4> 5.3.2 \u7f51\u7edc\u6d41\u91cf\u63a7\u5236\u65b9\u6cd5 <\/h4>\n<p> \u7f51\u7edc\u6d41\u91cf\u63a7\u5236\u65b9\u6cd5\u5305\u62ecQoS&#xff08;Quality of Service&#xff09;\u914d\u7f6e&#xff0c;\u4ee5\u53ca\u4f7f\u7528\u6d41\u91cf\u63a7\u5236\u5de5\u5177\u5982tc&#xff08;Traffic Control&#xff09;\u547d\u4ee4\u3002 <\/p>\n<p>  \u4ee3\u7801\u793a\u4f8b&#xff1a;  <\/p>\n<p>tc qdisc add dev eth0 root handle 1: htb<br \/>\ntc class add dev eth0 parent 1: classid 1:1 htb rate 100mbit<\/p>\n<p>  \u53c2\u6570\u8bf4\u660e&#xff1a;  &#8211;  qdisc  \u6307\u5b9a\u961f\u5217\u89c4\u5219\u3002 &#8211;  dev eth0  \u6307\u5b9a\u8bbe\u5907\u3002 &#8211;  root  \u6307\u5b9a\u6839\u961f\u5217\u89c4\u5219\u3002 &#8211;  classid 1:1  \u6307\u5b9a\u7c7b\u522b\u6807\u8bc6\u7b26\u3002 &#8211;  htb  \u9700\u8981\u4f7f\u7528\u7684\u961f\u5217\u89c4\u5219\u7c7b\u578b\u3002 &#8211;  rate 100mbit  \u4e3a\u7c7b\u522b\u8bbe\u7f6e\u6700\u5927\u5e26\u5bbd\u3002 <\/p>\n<p>  \u5206\u6790&#xff1a;  \u6b64\u914d\u7f6e\u4e3a\u8bbe\u5907eth0\u8bbe\u7f6e\u4e86\u4e00\u4e2aHTB&#xff08;\u5c42\u6b21\u4ee4\u724c\u6876&#xff09;\u961f\u5217\u89c4\u5219&#xff0c;\u5e76\u4e3a\u5176\u6dfb\u52a0\u4e00\u4e2a\u7c7b\u522b&#xff0c;\u8bbe\u7f6e\u6700\u5927\u5e26\u5bbd\u4e3a100Mbps\u3002\u8fd9\u6837\u7684\u914d\u7f6e\u53ef\u4ee5\u7528\u6765\u4fdd\u8bc1\u7279\u5b9a\u7684\u6d41\u91cf\u5f97\u5230\u8db3\u591f\u7684\u5e26\u5bbd&#xff0c;\u540c\u65f6\u9650\u5236\u5176\u4ed6\u6d41\u91cf\u7684\u4f7f\u7528\u3002 <\/p>\n<p> \u7efc\u4e0a\u6240\u8ff0&#xff0c;\u5e26\u5bbd\u76d1\u63a7\u662f\u7f51\u7edc\u7ba1\u7406\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002\u51c6\u786e\u5730\u76d1\u63a7\u548c\u63a7\u5236\u5e26\u5bbd\u4f7f\u7528\u60c5\u51b5\u5bf9\u4e8e\u4fdd\u969c\u7f51\u7edc\u6027\u80fd\u548c\u670d\u52a1\u8d28\u91cf\u81f3\u5173\u91cd\u8981\u3002\u501f\u52a9\u9002\u5f53\u7684\u5de5\u5177\u548c\u7b56\u7565&#xff0c;\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u7f51\u7edc\u6548\u7387\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<h2> 6. \u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u4e0e\u7cfb\u7edf\u65e5\u5fd7\u68c0\u67e5 <\/h2>\n<p> \u968f\u7740\u7f51\u7edc\u590d\u6742\u6027\u4e0e\u6570\u636e\u91cf\u7684\u65e5\u76ca\u589e\u957f&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u9762\u4e34\u7740\u4e25\u5cfb\u7684\u6311\u6218\u3002\u4ed6\u4eec\u5fc5\u987b\u4f9d\u9760\u5148\u8fdb\u7684\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u6765\u7ef4\u6301\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002\u6b64\u5916&#xff0c;\u7cfb\u7edf\u4e0e\u5e94\u7528\u65e5\u5fd7\u7684\u5206\u6790&#xff0c;\u540c\u6837\u5bf9\u6545\u969c\u8bca\u65ad\u548c\u6027\u80fd\u8c03\u6574\u6709\u7740\u4e0d\u53ef\u6216\u7f3a\u7684\u4f5c\u7528\u3002\u5728\u672c\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u7684\u9009\u62e9\u4e0e\u5e94\u7528&#xff0c;\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u7cfb\u7edf\u65e5\u5fd7\u8fdb\u884c\u6709\u6548\u7684\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664\u3002 <\/p>\n<h3> 6.1 \u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u6982\u8ff0 <\/h3>\n<p> \u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u662f\u4fe1\u606f\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u7684\u91cd\u8981\u4fdd\u969c\u3002\u5b83\u4eec\u80fd\u591f\u5728\u7f51\u7edc\u51fa\u73b0\u5f02\u5e38\u65f6\u5feb\u901f\u901a\u77e5\u7ba1\u7406\u5458&#xff0c;\u5e76\u63d0\u4f9b\u6df1\u5165\u5206\u6790\u95ee\u9898\u6240\u9700\u7684\u6570\u636e\u3002 <\/p>\n<h4> 6.1.1 \u76d1\u63a7\u5de5\u5177\u7684\u529f\u80fd\u4e0e\u9009\u62e9\u6807\u51c6 <\/h4>\n<p> \u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u6709\u7740\u591a\u6837\u5316\u7684\u529f\u80fd&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<ul>\n<li>  \u5b9e\u65f6\u76d1\u63a7  &#xff1a;\u63d0\u4f9b\u5b9e\u65f6\u7684\u7f51\u7edc\u72b6\u6001&#xff0c;\u5305\u62ec\u5e26\u5bbd\u4f7f\u7528\u3001\u5ef6\u8fdf\u3001\u4e22\u5305\u7387\u7b49\u3002 <\/li>\n<li>  \u62a5\u8b66\u7cfb\u7edf  &#xff1a;\u5728\u68c0\u6d4b\u5230\u5f02\u5e38\u60c5\u51b5\u65f6&#xff0c;\u901a\u8fc7\u90ae\u4ef6\u3001\u77ed\u4fe1\u6216\u7cfb\u7edf\u5f39\u7a97\u7b49\u65b9\u5f0f\u901a\u77e5\u7ba1\u7406\u5458\u3002 <\/li>\n<li>  \u6570\u636e\u53ef\u89c6\u5316  &#xff1a;\u5c06\u76d1\u63a7\u6570\u636e\u901a\u8fc7\u56fe\u8868\u7b49\u5f62\u5f0f\u76f4\u89c2\u5c55\u793a&#xff0c;\u4fbf\u4e8e\u5206\u6790\u3002 <\/li>\n<li>  \u5386\u53f2\u6570\u636e\u5206\u6790  &#xff1a;\u5b58\u50a8\u5386\u53f2\u6570\u636e&#xff0c;\u652f\u6301\u5386\u53f2\u8d8b\u52bf\u5206\u6790\u548c\u62a5\u544a\u751f\u6210\u529f\u80fd\u3002 <\/li>\n<li>  \u81ea\u52a8\u5316\u6545\u969c\u8bca\u65ad  &#xff1a;\u5177\u5907\u4e00\u5b9a\u7684\u667a\u80fd&#xff0c;\u80fd\u591f\u6839\u636e\u9884\u8bbe\u89c4\u5219\u81ea\u52a8\u8bca\u65ad\u95ee\u9898\u3002 <\/li>\n<\/ul>\n<p> \u9009\u62e9\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u65f6&#xff0c;\u5e94\u8003\u8651\u4ee5\u4e0b\u6807\u51c6&#xff1a; <\/p>\n<ul>\n<li>  \u53ef\u6269\u5c55\u6027  &#xff1a;\u968f\u7740\u7f51\u7edc\u89c4\u6a21\u7684\u589e\u957f&#xff0c;\u76d1\u63a7\u5de5\u5177\u662f\u5426\u80fd\u591f\u8f7b\u677e\u6269\u5c55\u3002 <\/li>\n<li>  \u96c6\u6210\u80fd\u529b  &#xff1a;\u662f\u5426\u80fd\u591f\u4e0e\u5176\u4ed6\u7cfb\u7edf&#xff08;\u5982\u5907\u4efd\u7cfb\u7edf\u3001\u5b89\u5168\u7cfb\u7edf\u7b49&#xff09;\u96c6\u6210\u3002 <\/li>\n<li>  \u6613\u7528\u6027  &#xff1a;\u76d1\u63a7\u5de5\u5177\u7684\u64cd\u4f5c\u754c\u9762\u662f\u5426\u76f4\u89c2\u6613\u7528\u3002 <\/li>\n<li>  \u6210\u672c  &#xff1a;\u7efc\u5408\u8003\u8651\u8f6f\u4ef6\u7684\u8d2d\u4e70\u6216\u79df\u8d41\u6210\u672c\u3001\u7ef4\u62a4\u6210\u672c\u4e0e\u5b9e\u65bd\u6210\u672c\u3002 <\/li>\n<li>  \u6280\u672f\u652f\u6301\u4e0e\u793e\u533a  &#xff1a;\u662f\u5426\u63d0\u4f9b\u826f\u597d\u7684\u6280\u672f\u652f\u6301&#xff0c;\u4ee5\u53ca\u793e\u533a\u662f\u5426\u6d3b\u8dc3\u3002 <\/li>\n<\/ul>\n<h4> 6.1.2 \u5e38\u89c1\u7684\u7f51\u7edc\u76d1\u63a7\u89e3\u51b3\u65b9\u6848 <\/h4>\n<p> \u5e02\u573a\u4e2d\u6709\u4f17\u591a\u7f51\u7edc\u76d1\u63a7\u89e3\u51b3\u65b9\u6848&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6d41\u884c\u7684\u5de5\u5177&#xff1a; <\/p>\n<ul>\n<li>  Nagios  &#xff1a;\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5f00\u6e90\u76d1\u63a7\u7cfb\u7edf&#xff0c;\u53ef\u4ee5\u76d1\u63a7\u57fa\u7840\u67b6\u6784\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002 <\/li>\n<li>  Zabbix  &#xff1a;\u63d0\u4f9b\u7075\u6d3b\u7684\u62a5\u8b66\u901a\u77e5\u673a\u5236&#xff0c;\u652f\u6301\u591a\u79cd\u6570\u636e\u6536\u96c6\u65b9\u5f0f\u3002 <\/li>\n<li>  Prometheus  &#xff1a;\u91c7\u7528\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u5b58\u50a8&#xff0c;\u5177\u5907\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd&#xff0c;\u9002\u5408\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\u76d1\u63a7\u3002 <\/li>\n<li>  SolarWinds  &#xff1a;\u63d0\u4f9b\u5168\u9762\u7684\u7f51\u7edc\u3001\u7cfb\u7edf\u548c\u5e94\u7528\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\u3002 <\/li>\n<\/ul>\n<h3> 6.2 \u7cfb\u7edf\u4e0e\u5e94\u7528\u65e5\u5fd7\u5206\u6790 <\/h3>\n<p> \u7cfb\u7edf\u4e0e\u5e94\u7528\u65e5\u5fd7\u662f\u7406\u89e3\u7cfb\u7edf\u884c\u4e3a\u548c\u8bca\u65ad\u95ee\u9898\u7684\u5173\u952e\u3002\u5b83\u4eec\u8bb0\u5f55\u4e86\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u7684\u5404\u79cd\u4e8b\u4ef6\u548c\u9519\u8bef\u3002 <\/p>\n<h4> 6.2.1 \u65e5\u5fd7\u7684\u91cd\u8981\u6027\u4e0e\u5206\u7c7b <\/h4>\n<p> \u65e5\u5fd7\u7684\u91cd\u8981\u6027\u5728\u4e8e\u63d0\u4f9b\u4e86\u7cfb\u7edf\u8fd0\u884c\u7684\u8be6\u7ec6\u89c6\u56fe&#xff0c;\u53ef\u4ee5\u63ed\u793a\u6027\u80fd\u74f6\u9888\u3001\u5b89\u5168\u6f0f\u6d1e\u751a\u81f3\u6f5c\u5728\u7684\u6545\u969c\u3002 <\/p>\n<p> \u65e5\u5fd7\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b&#xff1a; <\/p>\n<ul>\n<li>  \u7cfb\u7edf\u65e5\u5fd7  &#xff1a;\u8bb0\u5f55\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u7684\u4e8b\u4ef6\u548c\u9519\u8bef&#xff0c;\u5982Linux\u7684\/var\/log\/syslog\u3002 <\/li>\n<li>  \u5e94\u7528\u65e5\u5fd7  &#xff1a;\u8bb0\u5f55\u7279\u5b9a\u5e94\u7528\u7a0b\u5e8f\u4ea7\u751f\u7684\u4e8b\u4ef6\u548c\u9519\u8bef&#xff0c;\u5982Web\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u3002 <\/li>\n<li>  \u5b89\u5168\u65e5\u5fd7  &#xff1a;\u8bb0\u5f55\u5b89\u5168\u76f8\u5173\u7684\u4e8b\u4ef6&#xff0c;\u5982\u7528\u6237\u767b\u5f55\u5931\u8d25\u3001\u6587\u4ef6\u8bbf\u95ee\u8bb0\u5f55\u7b49\u3002 <\/li>\n<li>  \u5ba1\u8ba1\u65e5\u5fd7  &#xff1a;\u8bb0\u5f55\u7cfb\u7edf\u64cd\u4f5c\u7684\u5ba1\u8ba1\u4fe1\u606f&#xff0c;\u7528\u4e8e\u5408\u89c4\u6027\u548c\u5b89\u5168\u5206\u6790\u3002 <\/li>\n<\/ul>\n<h4> 6.2.2 \u65e5\u5fd7\u7ba1\u7406\u4e0e\u5206\u6790\u5de5\u5177\u4ecb\u7ecd <\/h4>\n<p> \u4e00\u4e9b\u5f3a\u5927\u7684\u65e5\u5fd7\u7ba1\u7406\u4e0e\u5206\u6790\u5de5\u5177\u5982\u4e0b&#xff1a; <\/p>\n<ul>\n<li>  ELK Stack  &#xff1a;\u7531Elasticsearch\u3001Logstash\u548cKibana\u7ec4\u6210&#xff0c;\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u65e5\u5fd7\u6570\u636e\u7684\u6536\u96c6\u3001\u5b58\u50a8\u548c\u53ef\u89c6\u5316\u3002 <\/li>\n<li>  Splunk  &#xff1a;\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u5546\u4e1a\u8f6f\u4ef6&#xff0c;\u53ef\u4ee5\u641c\u7d22\u3001\u76d1\u63a7\u548c\u5206\u6790\u673a\u5668\u751f\u6210\u7684\u5927\u6570\u636e\u3002 <\/li>\n<li>  Graylog  &#xff1a;\u4e00\u4e2a\u5f00\u6e90\u7684\u65e5\u5fd7\u7ba1\u7406\u5e73\u53f0&#xff0c;\u652f\u6301\u6570\u636e\u7684\u6536\u96c6\u3001\u7d22\u5f15\u548c\u5206\u6790\u3002 <\/li>\n<\/ul>\n<h3> 6.3 \u5b9e\u9645\u6848\u4f8b\u5206\u6790 <\/h3>\n<h4> 6.3.1 \u6545\u969c\u8bca\u65ad\u4e0e\u6062\u590d\u5b9e\u8df5 <\/h4>\n<p> \u67d0\u516c\u53f8\u53d1\u751f\u4e86\u4e00\u8d77\u7f51\u7edc\u4e2d\u65ad\u4e8b\u4ef6&#xff0c;\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u6545\u969c\u8bca\u65ad\u4e0e\u6062\u590d&#xff1a; <\/p>\n<li>  \u6536\u96c6\u7cfb\u7edf\u65e5\u5fd7  &#xff1a;\u7acb\u5373\u6536\u96c6\u7f51\u7edc\u8bbe\u5907\u3001\u670d\u52a1\u5668\u4ee5\u53ca\u5e94\u7528\u7684\u65e5\u5fd7\u3002 <\/li>\n<li>  \u5206\u6790\u65e5\u5fd7  &#xff1a;\u5229\u7528\u65e5\u5fd7\u5206\u6790\u5de5\u5177&#xff08;\u5982ELK Stack&#xff09;\u8fdb\u884c\u6a21\u5f0f\u8bc6\u522b\u548c\u5f02\u5e38\u4e8b\u4ef6\u7684\u5b9a\u4f4d\u3002 <\/li>\n<li>  \u5b9a\u4f4d\u95ee\u9898  &#xff1a;\u6839\u636e\u65e5\u5fd7\u5185\u5bb9&#xff0c;\u5b9a\u4f4d\u5230\u6838\u5fc3\u4ea4\u6362\u673a\u7684\u914d\u7f6e\u9519\u8bef\u5bfc\u81f4\u7684\u5e7f\u64ad\u98ce\u66b4\u3002 <\/li>\n<li>  \u91c7\u53d6\u63aa\u65bd  &#xff1a;\u8fdc\u7a0b\u767b\u5f55\u5230\u6838\u5fc3\u4ea4\u6362\u673a&#xff0c;\u8fdb\u884c\u914d\u7f6e\u4fee\u6539&#xff0c;\u6e05\u9664\u6545\u969c\u3002 <\/li>\n<li>  \u6062\u590d\u670d\u52a1  &#xff1a;\u5728\u786e\u8ba4\u7f51\u7edc\u6062\u590d\u6b63\u5e38\u540e&#xff0c;\u901a\u77e5\u76f8\u5173\u7528\u6237&#xff0c;\u9010\u6b65\u6062\u590d\u4e1a\u52a1\u3002 <\/li>\n<h4> 6.3.2 \u6027\u80fd\u76d1\u63a7\u4e0e\u8c03\u6574\u6848\u4f8b\u7814\u7a76 <\/h4>\n<p> 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src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418160709-680278ad2156f.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb798\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90\uff0c\u70b9\u51fb\u83b7\u53d6   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