{"id":62475,"date":"2025-04-29T13:41:42","date_gmt":"2025-04-29T05:41:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62475\/"},"modified":"2025-04-29T13:41:42","modified_gmt":"2025-04-29T05:41:42","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e8%bf%9b%e8%a1%8c%e5%85%a5%e4%be%b5%e6%a3%80%e6%b5%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62475\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u5b89\u5168\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b"},"content":{"rendered":"

\"Linux\u670d\u52a1\u5668\u5b89\u5168\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b\u63d2\u56fe\"<\/p>\n

Linux\u670d\u52a1\u5668\u5b89\u5168\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b<\/p>\n

\u5bfc\u8a00\uff1a<\/p>\n

\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u7528\u5e7f\u6cdb\uff0c\u4f46\u4e5f\u6210\u4e3a\u4e86\u9ed1\u5ba2\u653b\u51fb\u7684\u76ee\u6807\u4e4b\u4e00\u3002\u4e3a\u4e86\u4fdd\u62a4\u6211\u4eec\u7684\u670d\u52a1\u5668\u514d\u53d7\u5165\u4fb5\u7684\u5a01\u80c1\uff0c\u6211\u4eec\u9700\u8981\u4e0d\u65ad\u5b66\u4e60\u548c\u5e94\u7528\u4e00\u4e9b\u5165\u4fb5\u68c0\u6d4b\u7684\u6280\u672f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884cLinux\u670d\u52a1\u5668\u7684\u5165\u4fb5\u68c0\u6d4b\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u7aef\u53e3\u626b\u63cf<\/p>\n

\u7aef\u53e3\u626b\u63cf\u662f\u5165\u4fb5\u68c0\u6d4b\u7684\u91cd\u8981\u6b65\u9aa4\u4e4b\u4e00\u3002\u9ed1\u5ba2\u4f1a\u5229\u7528\u5f00\u653e\u7684\u7aef\u53e3\u8fdb\u884c\u5165\u4fb5\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5b9a\u671f\u626b\u63cf\u670d\u52a1\u5668\u4e0a\u7684\u7aef\u53e3\uff0c\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u60c5\u51b5\u3002<\/p>\n

\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528nmap\u547d\u4ee4\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n

nmap -p 1-65535 example.com<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c06\u626b\u63cfexample.com\u4e3b\u673a\u4e0a\u7684\u6240\u6709\u7aef\u53e3\uff0c\u7aef\u53e3\u8303\u56f4\u662f\u4ece1\u523065535\u3002\u5982\u679c\u53d1\u73b0\u4e86\u5f00\u653e\u7684\u7aef\u53e3\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u67e5\u539f\u56e0\uff0c\u5e76\u53ca\u65f6\u91c7\u53d6\u76f8\u5e94\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n
\u4e8c\u3001\u65e5\u5fd7\u5206\u6790<\/p>\n
\u65e5\u5fd7\u5206\u6790\u662f\u5165\u4fb5\u68c0\u6d4b\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002\u670d\u52a1\u5668\u4e0a\u7684\u7cfb\u7edf\u65e5\u5fd7\u5305\u542b\u4e86\u5404\u79cd\u6d3b\u52a8\u548c\u4e8b\u4ef6\u7684\u8bb0\u5f55\uff0c\u901a\u8fc7\u5206\u6790\u65e5\u5fd7\u53ef\u4ee5\u53d1\u73b0\u6f5c\u5728\u7684\u5165\u4fb5\u884c\u4e3a\u3002<\/p>\n
\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u8fc7\u6ee4\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u7684\u4fe1\u606f\uff0c\u627e\u51fa\u4e0e\u5165\u4fb5\u76f8\u5173\u7684\u8bb0\u5f55\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
grep \"Failed password\" \/var\/log\/auth.log<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c06\u5728\/var\/log\/auth.log\u6587\u4ef6\u4e2d\u67e5\u627e\u201cFailed password\u201d\u5173\u952e\u5b57\uff0c\u8fd9\u4e9b\u8bb0\u5f55\u5f88\u53ef\u80fd\u662f\u5165\u4fb5\u8005\u8bd5\u56fe\u731c\u6d4b\u5bc6\u7801\u7684\u884c\u4e3a\u3002\u6211\u4eec\u5e94\u8be5\u5b9a\u671f\u68c0\u67e5\u5e76\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5165\u4fb5\u4f01\u56fe\u3002<\/p>\n
\u4e09\u3001\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5<\/p>\n
\u5165\u4fb5\u8005\u53ef\u80fd\u901a\u8fc7\u4fee\u6539\u7cfb\u7edf\u6587\u4ef6\u6765\u5b9e\u65bd\u653b\u51fb\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u8fdb\u884c\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u786e\u4fdd\u7cfb\u7edf\u6587\u4ef6\u6ca1\u6709\u88ab\u7be1\u6539\u3002<\/p>\n
\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tripwire\u5de5\u5177\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
\u9996\u5148\uff0c\u5b89\u88c5tripwire\u5de5\u5177\uff1a<\/p>\n
sudo apt-get install tripwire<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u7136\u540e\uff0c\u521d\u59cb\u5316tripwire\uff1a<\/p>\n
sudo tripwire --init<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u63a5\u7740\uff0c\u4f7f\u7528tripwire\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff1a<\/p>\n
sudo tripwire --check<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c06\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u5e76\u751f\u6210\u62a5\u544a\u3002\u6211\u4eec\u9700\u8981\u5b9a\u671f\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5e76\u68c0\u67e5\u62a5\u544a\u662f\u5426\u5b58\u5728\u5f02\u5e38\u3002<\/p>\n
\u56db\u3001\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7<\/p>\n
\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u68c0\u6d4b\u5f02\u5e38\u7684\u7f51\u7edc\u6d3b\u52a8\uff0c\u53ca\u65f6\u53d1\u73b0\u5165\u4fb5\u884c\u4e3a\u3002<\/p>\n
\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tcpdump\u547d\u4ee4\u6765\u6293\u53d6\u7f51\u7edc\u6d41\u91cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
sudo tcpdump -i eth0<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c06\u6293\u53d6eth0\u7f51\u5361\u4e0a\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u5e76\u6253\u5370\u51fa\u76f8\u5173\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u6253\u5370\u7684\u4fe1\u606f\u6765\u5224\u65ad\u662f\u5426\u5b58\u5728\u5f02\u5e38\u7684\u7f51\u7edc\u6d3b\u52a8\u3002<\/p>\n
\u4e94\u3001\u9632\u706b\u5899\u914d\u7f6e<\/p>\n
\u9632\u706b\u5899\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c4f\u853d\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u914d\u7f6e\u9632\u706b\u5899\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
\u9996\u5148\uff0c\u5c4f\u853d\u6240\u6709\u7684\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
sudo iptables -P INPUT DROP<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u7136\u540e\uff0c\u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\u8fdb\u884c\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT\nsudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e0a\u8ff0\u547d\u4ee4\u5c06\u5141\u8bb8SSH\uff08\u7aef\u53e322\uff09\u548cHTTP\uff08\u7aef\u53e380\uff09\u7684\u5165\u7ad9\u8fde\u63a5\u3002\u6211\u4eec\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u7ed3\u8bba\uff1a<\/p>\n
\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b\u662f\u4fdd\u62a4Linux\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u624b\u6bb5\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u7aef\u53e3\u626b\u63cf\u3001\u65e5\u5fd7\u5206\u6790\u3001\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\u3001\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u548c\u9632\u706b\u5899\u914d\u7f6e\u7b49\u5165\u4fb5\u68c0\u6d4b\u6280\u672f\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u52a0\u5f3a\u5bf9\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u89c6\uff0c\u91c7\u53d6\u76f8\u5e94\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u5165\u4fb5\u7684\u5a01\u80c1\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLinux\u670d\u52a1\u5668\u5b89\u5168\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux\u670d\u52a1\u5668\u5b89\u5168\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b \u5bfc\u8a00\uff1a \u5728\u5f53\u4eca\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u7528\u5e7f\u6cdb\uff0c\u4f46\u4e5f\u6210\u4e3a\u4e86\u9ed1\u5ba2\u653b\u51fb\u7684\u76ee\u6807\u4e4b\u4e00\u3002\u4e3a\u4e86\u4fdd\u62a4\u6211\u4eec\u7684\u670d\u52a1\u5668\u514d\u53d7\u5165\u4fb5\u7684\u5a01\u80c1\uff0c\u6211\u4eec\u9700\u8981\u4e0d\u65ad\u5b66\u4e60\u548c\u5e94\u7528\u4e00\u4e9b\u5165\u4fb5\u68c0\u6d4b\u7684\u6280\u672f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u8fdb\u884cLinux\u670d\u52a1\u5668\u7684\u5165\u4fb5\u68c0\u6d4b\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u7aef\u53e3\u626b\u63cf \u7aef\u53e3\u626b\u63cf\u662f\u5165\u4fb5\u68c0\u6d4b\u7684\u91cd\u8981\u6b65\u9aa4\u4e4b\u4e00\u3002\u9ed1\u5ba2\u4f1a\u5229\u7528\u5f00\u653e\u7684\u7aef\u53e3\u8fdb\u884c\u5165\u4fb5\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5b9a\u671f\u626b\u63cf\u670d\u52a1\u5668\u4e0a\u7684\u7aef\u53e3\uff0c\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u60c5\u51b5\u3002 \u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528nmap\u547d\u4ee4\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a nmap -p 1-65535 example.com \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u547d\u4ee4\u5c06\u626b\u63cfexample.com\u4e3b\u673a\u4e0a\u7684\u6240\u6709\u7aef\u53e3\uff0c\u7aef\u53e3\u8303\u56f4\u662f\u4ece1\u523065535\u3002\u5982\u679c\u53d1\u73b0\u4e86\u5f00\u653e\u7684\u7aef\u53e3\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u67e5\u539f\u56e0\uff0c\u5e76\u53ca\u65f6\u91c7\u53d6\u76f8\u5e94\u7684\u5b89\u5168\u63aa\u65bd\u3002 \u4e8c\u3001\u65e5\u5fd7\u5206\u6790 \u65e5\u5fd7\u5206\u6790\u662f\u5165\u4fb5\u68c0\u6d4b\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002\u670d\u52a1\u5668\u4e0a\u7684\u7cfb\u7edf\u65e5\u5fd7\u5305\u542b\u4e86\u5404\u79cd\u6d3b\u52a8\u548c\u4e8b\u4ef6\u7684\u8bb0\u5f55\uff0c\u901a\u8fc7\u5206\u6790\u65e5\u5fd7\u53ef\u4ee5\u53d1\u73b0\u6f5c\u5728\u7684\u5165\u4fb5\u884c\u4e3a\u3002 \u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u8fc7\u6ee4\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u7684\u4fe1\u606f\uff0c\u627e\u51fa\u4e0e\u5165\u4fb5\u76f8\u5173\u7684\u8bb0\u5f55\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a grep “Failed password” \/var\/log\/auth.log \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u547d\u4ee4\u5c06\u5728\/var\/log\/auth.log\u6587\u4ef6\u4e2d\u67e5\u627e\u201cFailed password\u201d\u5173\u952e\u5b57\uff0c\u8fd9\u4e9b\u8bb0\u5f55\u5f88\u53ef\u80fd\u662f\u5165\u4fb5\u8005\u8bd5\u56fe\u731c\u6d4b\u5bc6\u7801\u7684\u884c\u4e3a\u3002\u6211\u4eec\u5e94\u8be5\u5b9a\u671f\u68c0\u67e5\u5e76\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5165\u4fb5\u4f01\u56fe\u3002 \u4e09\u3001\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5 \u5165\u4fb5\u8005\u53ef\u80fd\u901a\u8fc7\u4fee\u6539\u7cfb\u7edf\u6587\u4ef6\u6765\u5b9e\u65bd\u653b\u51fb\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u8fdb\u884c\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u786e\u4fdd\u7cfb\u7edf\u6587\u4ef6\u6ca1\u6709\u88ab\u7be1\u6539\u3002 \u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tripwire\u5de5\u5177\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a \u9996\u5148\uff0c\u5b89\u88c5tripwire\u5de5\u5177\uff1a sudo apt-get install tripwire \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u521d\u59cb\u5316tripwire\uff1a sudo tripwire –init \u767b\u5f55\u540e\u590d\u5236 \u63a5\u7740\uff0c\u4f7f\u7528tripwire\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff1a sudo tripwire –check \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u547d\u4ee4\u5c06\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u5e76\u751f\u6210\u62a5\u544a\u3002\u6211\u4eec\u9700\u8981\u5b9a\u671f\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5e76\u68c0\u67e5\u62a5\u544a\u662f\u5426\u5b58\u5728\u5f02\u5e38\u3002 \u56db\u3001\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7 \u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u68c0\u6d4b\u5f02\u5e38\u7684\u7f51\u7edc\u6d3b\u52a8\uff0c\u53ca\u65f6\u53d1\u73b0\u5165\u4fb5\u884c\u4e3a\u3002 \u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tcpdump\u547d\u4ee4\u6765\u6293\u53d6\u7f51\u7edc\u6d41\u91cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a sudo tcpdump -i eth0 \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u547d\u4ee4\u5c06\u6293\u53d6eth0\u7f51\u5361\u4e0a\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u5e76\u6253\u5370\u51fa\u76f8\u5173\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u6253\u5370\u7684\u4fe1\u606f\u6765\u5224\u65ad\u662f\u5426\u5b58\u5728\u5f02\u5e38\u7684\u7f51\u7edc\u6d3b\u52a8\u3002 \u4e94\u3001\u9632\u706b\u5899\u914d\u7f6e \u9632\u706b\u5899\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c4f\u853d\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 \u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u914d\u7f6e\u9632\u706b\u5899\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a \u9996\u5148\uff0c\u5c4f\u853d\u6240\u6709\u7684\u5165\u7ad9\u8fde\u63a5\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62475","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62475"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62475\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}