{"id":295111,"date":"2024-12-21T20:10:15","date_gmt":"2024-12-21T12:10:15","guid":{"rendered":"https:\/\/lrxjmw.cn\/rhzlxtzzkhpz.html"},"modified":"2024-12-21T20:10:15","modified_gmt":"2024-12-21T12:10:15","slug":"rhzlxtzzkhpz","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/rhzlxtzzkhpz.html","title":{"rendered":"\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u67e5\u770b\u548c\u914d\u7f6eiptables\u9632\u706b\u5899\u4ee5\u786e\u4fdd\u7f51\u7edc\u5b89\u5168"},"content":{"rendered":"

Linux<\/a>\u7cfb\u7edf\u4e2d\uff0c\u67e5\u770b\u9632\u706b\u5899\u8bbe\u7f6e\u662f\u7cfb\u7edf\u7ba1\u7406\u548c\u5b89\u5168\u7ef4\u62a4\u7684\u5173\u952e\u73af\u8282\u3002\u8fd9\u4e00\u64cd\u4f5c\u80fd\u8ba9\u6211\u4eec\u638c\u63e1\u7cfb\u7edf\u7f51\u7edc\u5b89\u5168\u7b56\u7565\u7684\u914d\u7f6e\u60c5\u51b5\u3002\u505a\u597d\u8fd9\u4e00\u6b65\uff0c\u5bf9\u4fdd\u969c\u7cfb\u7edf\u5728\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u5b89\u5168\u7a33\u5b9a\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u67e5\u770biptables\u9632\u706b\u5899\u914d\u7f6e<\/b><\/p>\n

\u5728\u4f17\u591aLinux<\/a>\u7cfb\u7edf\u7248\u672c\u91cc\uff0ciptables\u88ab\u5e7f\u6cdb\u7528\u4f5c\u9632\u706b\u5899\u8f6f\u4ef6\u3002\u82e5\u8981\u67e5\u770biptables\u7684\u914d\u7f6e\u89c4\u5219\uff0c\u53ef\u4ee5\u4f7f\u7528\u201ciptables -L\u201d\u8fd9\u4e00\u6307\u4ee4\u3002\u8be5\u6307\u4ee4\u80fd\u5c55\u793a\u5f53\u524d\u7684\u89c4\u5219\u94fe\u8be6\u60c5\u3002\u5b83\u80fd\u663e\u793a\u51fa\u591a\u4e2a\u94fe\u4e0a\u7684\u89c4\u5219linux\u5b89\u88c5\uff0c\u6bd4\u5982\u8f93\u5165\u94fe\u3001\u8f93\u51fa\u94fe\u4ee5\u53ca\u8f6c\u53d1\u94fe\u4e0a\u7684\u89c4\u5219\u3002\u6bd4\u5982\uff0c\u82e5\u8981\u963b\u6b62\u67d0\u4e2aIP\u5730\u5740\u7684\u8bbf\u95ee\uff0c\u53ef\u4ee5\u5728\u8f93\u5165\u94fe\u4e0a\u8bbe\u7f6e\u76f8\u5e94\u89c4\u5219linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e<\/strong>\uff0c\u7136\u540e\u901a\u8fc7\u6267\u884c\u201ciptables -L\u201d\u6765\u786e\u8ba4\u89c4\u5219\u662f\u5426\u5df2\u6210\u529f\u8bbe\u7f6e\u3002\u6b64\u5916\uff0c\u8fd9\u4e5f\u6709\u5229\u4e8e\u68c0\u6d4b\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\uff0c\u6bd4\u5982\u67d0\u4e2a\u7aef\u53e3\u65e0\u6cd5\u8bbf\u95ee\uff0c\u662f\u5426\u662f\u7531\u9632\u706b\u5899\u89c4\u5219\u5f15\u8d77\u7684\u3002<\/p>\n

linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u547d\u4ee4_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u7684\u9759\u6001<\/p>\n

\u8981\u67e5\u770b\u66f4\u8be6\u7ec6\u7684\u914d\u7f6e\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u201c-v\u201d\u9009\u9879\uff0c\u4f8b\u5982\u8f93\u5165\u201ciptables -L -v\u201d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u80fd\u83b7\u53d6\u5230\u6bcf\u6761\u89c4\u5219\u6240\u5339\u914d\u7684\u6570\u636e\u5305\u6570\u91cf\u7b49\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u6bcf\u6761\u89c4\u5219\u5728\u7f51\u7edc\u6d41\u91cf\u4e2d\u7684\u5e94\u7528\u72b6\u51b5\u3002<\/p>\n

Red Hat\u7cfb\u5217\u7cfb\u7edf\u666e\u904d\u91c7\u7528firewall<\/a>d\u4f5c\u4e3a\u9632\u706b\u5899\u7ba1\u7406\u5de5\u5177\u3002\u901a\u8fc7\u201cfirewall -cmd --list -all\u201d\u6307\u4ee4\uff0c\u6211\u4eec\u80fd\u67e5\u770b\u914d\u7f6e\u8be6\u60c5\u3002\u6b64\u6307\u4ee4\u4f1a\u5217\u51fa\u5f00\u542f\u7684\u670d\u52a1\u3001\u7aef\u53e3\u3001\u6e90\u5730\u5740\u7b49\u89c4\u5219\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u80fd\u8fc5\u901f\u4e86\u89e3\u54ea\u4e9b\u670d\u52a1\u5bf9\u5916\u5f00\u653e\uff0c\u54ea\u4e9b\u662f\u5173\u95ed\u7684\u3002\u6bd4\u5982\uff0c\u5728\u8bbe\u7f6eWeb\u670d\u52a1\u5668\u65f6linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e<\/strong>\uff0c\u5fc5\u987b\u6838\u5b9e80\u7aef\u53e3\u662f\u5426\u5df2\u5728\u9632\u706b\u5899\u89c4\u5219\u4e2d\u6b63\u786e\u914d\u7f6e\uff0c\u4ee5\u4fbf\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u67e5\u9605\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\u6765\u83b7\u53d6\u53e6\u4e00\u79cd\u67e5\u770b\u65b9\u6cd5\u3002\u6bd4\u5982\uff0c\u5728\u201c\/etc\/firewalld\/\u201d\u8fd9\u4e2a\u76ee\u5f55\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770b\u5230\u533a\u57df\u8bbe\u7f6e\u7b49\u9632\u706b\u5899\u914d\u7f6e\u7684\u5177\u4f53\u4fe1\u606f\u3002\u8fd9\u5bf9\u4e8e\u5728\u7f51\u7edc\u73af\u5883\u590d\u6742\u65f6\u5236\u5b9a\u89c4\u5219\u548c\u6392\u67e5\u95ee\u9898\u975e\u5e38\u6709\u7528\u3002<\/p>\n

Fail2ban\u9632\u706b\u5899\u914d\u7f6e\u67e5\u770b<\/b><\/p>\n

Fail2ban\u4e3b\u8981\u7528\u6765\u62b5\u5fa1\u66b4\u529b\u7834\u89e3\u7b49\u6709\u5bb3\u4e3e\u52a8\u3002\u82e5\u9700\u68c0\u67e5\u5176\u914d\u7f6e\uff0c\u53ef\u67e5\u9605\u4e3b\u914d\u7f6e\u6587\u4ef6\uff0c\u4e00\u822c\u4f4d\u4e8e\u201c\/etc\/fail2ban\/jail.conf\u201d\u3002\u8be5\u6587\u4ef6\u4e2d\u8bb0\u5f55\u4e86\u5404\u79cd\u670d\u52a1\u7684\u76d1\u63a7\u548c\u5c01\u7981\u89c4\u5219\uff0c\u6bd4\u5982\u5bf9SSH\u670d\u52a1\u7684\u66b4\u529b\u7834\u89e3\u76d1\u63a7\uff0c\u8fd9\u91cc\u80fd\u67e5\u770b\u5230\u5c01\u7981\u5c1d\u8bd5\u7684\u6b21\u6570\u7b49\u89c4\u5b9a\u3002\u901a\u8fc7\u67e5\u9605\u8fd9\u4e9b\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u638c\u63e1\u7cfb\u7edf\u5bf9\u6b64\u7c7b\u6076\u610f\u884c\u4e3a\u7684\u9632\u5fa1\u6c34\u5e73\u3002<\/p>\n

\u540c\u65f6\uff0c\u5bf9\u7279\u5b9a\u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u5ba1\u67e5\u540c\u6837\u91cd\u8981\u3002\u4ee5\u90ae\u4ef6\u670d\u52a1\u4e3a\u4f8b\uff0c\u9488\u5bf9\u66b4\u529b\u7834\u89e3\u7684\u9632\u62a4\uff0c\u53ef\u4ee5\u67e5\u9605\u4f4d\u4e8e\u201c\/etc\/fail2ban\/jail.d\/\u201d\u76ee\u5f55\u4e0b\u7684\u81ea\u5b9a\u4e49\u914d\u7f6e\u6587\u4ef6\uff0c\u4e86\u89e3\u8be5\u90ae\u4ef6\u670d\u52a1\u5728\u9632\u8303\u66b4\u529b\u7834\u89e3\u65b9\u9762\u7684\u5177\u4f53\u89c4\u5219\u548c\u8bbe\u7f6e\u3002<\/p>\n

\u67e5\u770bufw\u9632\u706b\u5899\u914d\u7f6e<\/b><\/p>\n

linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u7684\u9759\u6001_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u547d\u4ee4<\/p>\n

\u82e5\u4f60\u7684\u7cfb\u7edf\u91c7\u7528UFW\uff08\u7b80\u6613\u9632\u706b\u5899\uff09\uff0c\u68c0\u67e5\u5176\u8bbe\u7f6e\u76f8\u5f53\u7b80\u4fbf\u3002\u53ea\u9700\u8fd0\u884c\u201cufw status\u201d\u6307\u4ee4\uff0c\u5373\u53ef\u6d4f\u89c8UFW\u7684\u57fa\u672c\u60c5\u51b5\uff0c\u8bf8\u5982\u5f00\u5173\u72b6\u6001\u548c\u89c4\u5219\u6982\u89c8\u3002\u636e\u6b64\uff0c\u4fbf\u53ef\u8fc5\u901f\u4e86\u89e3\u9632\u706b\u5899\u7684\u57fa\u672c\u8fd0\u884c\u72b6\u51b5\u3002<\/p>\n

\u82e5\u9700\u6df1\u5165\u67e5\u770b\u914d\u7f6e\uff0c\u53ef\u6267\u884c\u201cufw show raw\u201d\u6307\u4ee4\u3002\u6b64\u6307\u4ee4\u80fd\u5c55\u793a\u672a\u7ecf\u5904\u7406\u7684\u9632\u706b\u5899\u539f\u59cb\u89c4\u5219\uff0c\u5bf9\u719f\u7ec3\u7528\u6237\u6216\u9700\u8c03\u6574\u89c4\u5219\u4ee5\u9002\u5e94\u7279\u5b9a\u9700\u6c42\u7684\u4eba\u6765\u8bf4\uff0c\u5c24\u4e3a\u5b9e\u7528\u3002\u4f8b\u5982\uff0c\u5728\u591a\u7f51\u5361\u53ca\u590d\u6742\u7f51\u7edc\u67b6\u6784\u4e2d\uff0c\u5b9a\u5236\u9632\u706b\u5899\u89c4\u5219\u65f6\uff0c\u8fd9\u4e00\u529f\u80fd\u5c24\u4e3a\u5173\u952e\u3002<\/p>\n

\u7406\u89e3\u67e5\u770b\u7ed3\u679c\u7684\u91cd\u8981\u6027<\/b><\/p>\n

\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u7684\u9759\u6001_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u547d\u4ee4_linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e<\/p>\n

\u67e5\u770b\u5b8c\u9632\u706b\u5899\u7684\u8bbe\u7f6e\u540e\uff0c\u51c6\u786e\u89e3\u8bfb\u8fd9\u4e9b\u4fe1\u606f\u81f3\u5173\u91cd\u8981\u3002\u6bd4\u5982\uff0c\u82e5\u53d1\u73b0\u67d0\u6761\u89c4\u5219\u963b\u6b62\u4e86\u7279\u5b9a\u7aef\u53e3\uff0c\u5c31\u5f97\u660e\u767d\u8fd9\u5bf9\u7f51\u7edc\u5b89\u5168\u548c\u670d\u52a1\u7a33\u5b9a\u6027\u6709\u4f55\u5f71\u54cd\u3002\u82e5\u5728\u5b89\u88c5\u65b0\u7f51\u7edc\u5e94\u7528\u65f6\uff0c\u9632\u706b\u5899\u914d\u7f6e\u663e\u793a\u76f8\u5173\u7aef\u53e3\u88ab\u7981\u6b62\u8bbf\u95ee\uff0c\u5c31\u5fc5\u987b\u53ca\u65f6\u4f5c\u51fa\u8c03\u6574\u3002<\/p>\n

\u540c\u65f6\uff0c\u67e5\u770b\u9632\u706b\u5899\u7684\u914d\u7f6e\u80fd\u5e2e\u52a9\u6211\u4eec\u9075\u5faa\u5b89\u5168\u89c4\u8303\u3002\u901a\u8fc7\u5206\u6790\u914d\u7f6e\u4fe1\u606f\uff0c\u6211\u4eec\u80fd\u8fc5\u901f\u8bc6\u522b\u51fa\u6f5c\u5728\u7684\u5b89\u5168\u9690\u60a3\uff0c\u6bd4\u5982\u8bbf\u95ee\u6743\u9650\u8bbe\u7f6e\u8fc7\u5bbd\u7b49\u95ee\u9898\uff0c\u5e76\u52a0\u4ee5\u8c03\u6574\u3002<\/p>\n

\u5b9a\u671f\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e\u7684\u5fc5\u8981\u6027<\/b><\/p>\n

linux\u67e5\u770b\u9632\u706b\u5899\u914d\u7f6e_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u547d\u4ee4_\u9632\u706b\u5899\u67e5\u770b\u914d\u7f6e\u7684\u9759\u6001<\/p>\n

\u5b9a\u671f\u68c0\u67e5\u9632\u706b\u5899\u7684\u8bbe\u7f6e\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u56e0\u4e3a\u4e1a\u52a1\u4e0d\u65ad\u6269\u5c55\uff0c\u7f51\u7edc\u73af\u5883\u4e5f\u5728\u53d8\u5316\uff0c\u539f\u5148\u7684\u9632\u706b\u5899\u8bbe\u7f6e\u53ef\u80fd\u4e0d\u518d\u9002\u7528\u3002\u6bd4\u5982\uff0c\u516c\u53f8\u65b0\u589e\u4e86\u4e1a\u52a1\u90e8\u95e8\uff0c\u5c31\u5f97\u5f00\u653e\u65b0\u7684\u7aef\u53e3\u6765\u63d0\u4f9b\u670d\u52a1\u3002\u82e5\u4e0d\u53ca\u65f6\u68c0\u67e5\uff0c\u65b0\u4e1a\u52a1\u53ef\u80fd\u5c31\u65e0\u6cd5\u987a\u5229\u8fdb\u884c\u3002<\/p>\n

\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u6301\u7eed\u53d1\u5c55\u53d8\u5316\uff0c\u4ee5\u5f80\u6709\u6548\u7684\u9632\u706b\u5899\u8bbe\u7f6e\u53ef\u80fd\u9762\u4e34\u65b0\u653b\u51fb\u65b9\u5f0f\u7684\u98ce\u9669\u3002\u5b9a\u671f\u68c0\u67e5\u53ef\u786e\u4fdd\u53ca\u65f6\u8c03\u6574\uff0c\u4ee5\u5e94\u5bf9\u8fd9\u4e9b\u6301\u7eed\u6f14\u53d8\u7684\u5a01\u80c1\u3002\u6211\u60f3\u8bf7\u6559\u4e00\u4e0blinux\u865a\u62df\u4e3b\u673a\uff0c\u5927\u5bb6\u5728\u68c0\u67e5Linux\u9632\u706b\u5899\u914d\u7f6e\u65f6\u662f\u5426\u9047\u5230\u8fc7\u4ec0\u4e48\u7279\u522b\u7684\u95ee\u9898\uff1f\u6b22\u8fce\u70b9\u8d5e\u3001\u8f6c\u53d1\u8fd9\u7bc7\u6587\u7ae0\uff0c\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u4ea4\u6d41\u8ba8\u8bba\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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