{"id":62584,"date":"2025-04-29T13:49:52","date_gmt":"2025-04-29T05:49:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62584\/"},"modified":"2025-04-29T13:49:52","modified_gmt":"2025-04-29T05:49:52","slug":"%e4%bf%9d%e6%8a%a4%e4%bd%a0%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9a-%e7%86%9f%e7%bb%83%e6%8e%8c%e6%8f%a1%e8%bf%99%e4%ba%9b%e5%91%bd%e4%bb%a4-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62584\/","title":{"rendered":"\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff1a \u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4"},"content":{"rendered":"

\"\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff1a<\/p>\n

\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff1a\u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0cLinux\u5df2\u7ecf\u6210\u4e3a\u8bb8\u591a\u4f01\u4e1a\u548c\u4e2a\u4eba\u7684\u9996\u9009\u64cd\u4f5c\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u4e0d\u65ad\u589e\u52a0\uff0c\u4fdd\u62a4Linux\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u5e78\u8fd0\u7684\u662f\uff0cLinux\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5f3a\u5927\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4fdd\u62a4\u670d\u52a1\u5668\u4e0d\u53d7\u4fb5\u72af\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u3002<\/p>\n

    \n
  1. iptables: \u9632\u706b\u5899\u89c4\u5219\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002iptables\u662fLinux\u7cfb\u7edf\u4e0a\u7684\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u8fc7\u6ee4IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u548c\u6570\u636e\u5305\u7c7b\u578b\uff0c\u4ee5\u53ca\u8bbe\u7f6e\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u89c4\u5219\u3002\u719f\u7ec3\u638c\u63e1iptables\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u6076\u610f\u653b\u51fb\u3002<\/li>\n
  2. fail2ban: \u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u9632\u6b62\u66b4\u529b\u7834\u89e3\u548c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002fail2ban\u53ef\u4ee5\u76d1\u89c6\u670d\u52a1\u5668\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u6839\u636e\u9884\u5b9a\u4e49\u7684\u89c4\u5219\u81ea\u52a8\u7981\u6b62\u6765\u81ea\u6076\u610fIP\u5730\u5740\u7684\u8bbf\u95ee\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528fail2ban\u547d\u4ee4\u8bbe\u7f6e\u548c\u7ba1\u7406\u89c4\u5219\uff0c\u5e76\u67e5\u770b\u5c01\u9501\u7684IP\u5730\u5740\u5217\u8868\u3002<\/li>\n
  3. ssh: Secure Shell\uff08SSH\uff09\u662f\u4e00\u79cd\u5b89\u5168\u534f\u8bae\uff0c\u7528\u4e8e\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55\u548c\u6587\u4ef6\u4f20\u8f93\u3002\u719f\u7ec3\u638c\u63e1ssh\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u7981\u7528root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\u3001\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\u3001\u914d\u7f6e\u516c\u94a5\u8eab\u4efd\u9a8c\u8bc1\u4ee5\u53ca\u4f7f\u7528SSH\u4ee3\u7406\u548c\u96a7\u9053\u7b49\u65b9\u6cd5\u6765\u4fdd\u62a4SSH\u8fde\u63a5\u3002<\/li>\n
  4. ufw: Uncomplicated Firewall\uff08UFW\uff09\u662f\u4e00\u4e2a\u6613\u4e8e\u4f7f\u7528\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u914d\u7f6eiptables\u9632\u706b\u5899\u89c4\u5219\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u7b80\u6d01\u7684\u547d\u4ee4\uff0c\u4f7f\u60a8\u80fd\u591f\u8f7b\u677e\u5730\u542f\u7528\u6216\u7981\u7528\u7279\u5b9a\u7684\u7f51\u7edc\u670d\u52a1\u548c\u7aef\u53e3\u3002\u901a\u8fc7\u719f\u6089ufw\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u7ba1\u7406\u670d\u52a1\u5668\u7684\u9632\u706b\u5899\u89c4\u5219\u3002<\/li>\n
  5. SELinux: Security-Enhanced Linux\uff08SELinux\uff09\u662f\u4e00\u4e2a\u5b89\u5168\u5b50\u7cfb\u7edf\uff0c\u5185\u6838\u7ea7\u522b\u7528\u4e8eLinux\u3002\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5b89\u5168\u4fdd\u62a4\u673a\u5236\uff0c\u53ef\u4ee5\u9650\u5236\u8fdb\u7a0b\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u5957\u7075\u6d3b\u7684\u89c4\u5219\u96c6\uff0c\u7528\u4e8e\u63a7\u5236\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u8bbf\u95ee\u3002\u4e86\u89e3SELinux\u547d\u4ee4\u548c\u7b56\u7565\u53ef\u4ee5\u5e2e\u52a9\u60a8\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/li>\n
  6. logwatch: logwatch\u662f\u4e00\u4e2a\u65e5\u5fd7\u5206\u6790\u548c\u62a5\u544a\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u76d1\u89c6\u670d\u52a1\u5668\u65e5\u5fd7\u6587\u4ef6\u5e76\u751f\u6210\u8be6\u7ec6\u7684\u62a5\u544a\u3002\u901a\u8fc7\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684\u5f02\u5e38\u884c\u4e3a\u548c\u6d3b\u52a8\uff0c\u60a8\u53ef\u4ee5\u53ca\u65f6\u8bc6\u522b\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\u3002\u719f\u6089logwatch\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5145\u5206\u5229\u7528\u8fd9\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\u3002<\/li>\n
  7. tcpdump: tcpdump\u662f\u4e00\u4e2a\u7f51\u7edc\u6293\u5305\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u6355\u83b7\u548c\u5206\u6790\u901a\u8fc7\u7f51\u7edc\u63a5\u53e3\u4f20\u8f93\u7684\u6570\u636e\u5305\u3002\u901a\u8fc7\u4f7f\u7528tcpdump\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u76d1\u89c6\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u5e76\u68c0\u67e5\u6f5c\u5728\u7684\u6076\u610f\u6d3b\u52a8\u548c\u5f02\u5e38\u884c\u4e3a\u3002\u8fd9\u5bf9\u4e8e\u67e5\u627e\u548c\u8bca\u65ad\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u975e\u5e38\u6709\u7528\u3002<\/li>\n
  8. netstat: netstat\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u7f51\u7edc\u8fde\u63a5\u3001\u8def\u7531\u8868\u3001\u63a5\u53e3\u7edf\u8ba1\u4fe1\u606f\u548c\u591a\u64ad\u6210\u5458\u7b49\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528netstat\u547d\u4ee4\u6765\u76d1\u89c6\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u5e76\u67e5\u627e\u53ef\u80fd\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\u6b64\u5916\uff0cnetstat\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5206\u6790\u548c\u4f18\u5316\u7f51\u7edc\u6027\u80fd\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u3002<\/li>\n<\/ol>\n

    \u4fdd\u62a4Linux\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u4f46\u5e76\u4e0d\u662f\u4e00\u8e74\u800c\u5c31\u7684\u3002\u9664\u4e86\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u6765\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u5916\uff0c\u8fd8\u5e94\u5b9a\u671f\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff0c\u4f7f\u7528\u5f3a\u5bc6\u7801\u5e76\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\uff0c\u5b9a\u671f\u5907\u4efd\u670d\u52a1\u5668\u6570\u636e\uff0c\u5e76\u76d1\u89c6\u670d\u52a1\u5668\u4e0a\u7684\u5f02\u5e38\u6d3b\u52a8\u548c\u65e5\u5fd7\u6587\u4ef6\u3002\u540c\u65f6\uff0c\u4e0d\u8981\u5ffd\u89c6\u57f9\u517b\u5458\u5de5\u7684\u7f51\u7edc\u5b89\u5168\u610f\u8bc6\uff0c\u8fdb\u884c\u57f9\u8bad\u548c\u6559\u80b2\uff0c\u4ee5\u514d\u6210\u4e3a\u5b89\u5168\u5a01\u80c1\u7684\u5f31\u70b9\u3002<\/p>\n

    \u603b\u4e4b\uff0c\u901a\u8fc7\u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb\u3002\u8bb0\u4f4f\uff0c\u5b89\u5168\u662f\u4e00\u4e2a\u6301\u4e45\u7684\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u64cd\u4f5c\u3002\u53ea\u6709\u4e0d\u65ad\u5b66\u4e60\u548c\u9002\u5e94\u6700\u65b0\u7684\u5b89\u5168\u5a01\u80c1\uff0c\u624d\u80fd\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u59cb\u7ec8\u4fdd\u6301\u5728\u5b89\u5168\u7684\u72b6\u6001\u4e0b\u3002<\/p>\n

    \u4ee5\u4e0a\u5c31\u662f\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff1a \u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff1a\u719f\u7ec3\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4 \u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0cLinux\u5df2\u7ecf\u6210\u4e3a\u8bb8\u591a\u4f01\u4e1a\u548c\u4e2a\u4eba\u7684\u9996\u9009\u64cd\u4f5c\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u4e0d\u65ad\u589e\u52a0\uff0c\u4fdd\u62a4Linux\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u5e78\u8fd0\u7684\u662f\uff0cLinux\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5f3a\u5927\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4fdd\u62a4\u670d\u52a1\u5668\u4e0d\u53d7\u4fb5\u72af\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u3002 iptables: \u9632\u706b\u5899\u89c4\u5219\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002iptables\u662fLinux\u7cfb\u7edf\u4e0a\u7684\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u8fc7\u6ee4IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u548c\u6570\u636e\u5305\u7c7b\u578b\uff0c\u4ee5\u53ca\u8bbe\u7f6e\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u89c4\u5219\u3002\u719f\u7ec3\u638c\u63e1iptables\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u6076\u610f\u653b\u51fb\u3002 fail2ban: \u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u9632\u6b62\u66b4\u529b\u7834\u89e3\u548c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002fail2ban\u53ef\u4ee5\u76d1\u89c6\u670d\u52a1\u5668\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u6839\u636e\u9884\u5b9a\u4e49\u7684\u89c4\u5219\u81ea\u52a8\u7981\u6b62\u6765\u81ea\u6076\u610fIP\u5730\u5740\u7684\u8bbf\u95ee\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528fail2ban\u547d\u4ee4\u8bbe\u7f6e\u548c\u7ba1\u7406\u89c4\u5219\uff0c\u5e76\u67e5\u770b\u5c01\u9501\u7684IP\u5730\u5740\u5217\u8868\u3002 ssh: Secure Shell\uff08SSH\uff09\u662f\u4e00\u79cd\u5b89\u5168\u534f\u8bae\uff0c\u7528\u4e8e\u5b89\u5168\u8fdc\u7a0b\u767b\u5f55\u548c\u6587\u4ef6\u4f20\u8f93\u3002\u719f\u7ec3\u638c\u63e1ssh\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u60a8\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u7981\u7528root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\u3001\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\u3001\u914d\u7f6e\u516c\u94a5\u8eab\u4efd\u9a8c\u8bc1\u4ee5\u53ca\u4f7f\u7528SSH\u4ee3\u7406\u548c\u96a7\u9053\u7b49\u65b9\u6cd5\u6765\u4fdd\u62a4SSH\u8fde\u63a5\u3002 ufw: Uncomplicated 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