{"id":22270,"date":"2024-02-05T12:27:25","date_gmt":"2024-02-05T12:27:25","guid":{"rendered":"https:\/\/server.hk\/blog\/22270\/"},"modified":"2024-09-11T15:51:35","modified_gmt":"2024-09-11T15:51:35","slug":"implementing-security-measures-on-your-usa-vps-ip-whitelisting-and-fail2ban-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/22270\/","title":{"rendered":"\u5be6\u65bd\u4f60\u7684\u9999\u6e2fVPS\u7684\u5b89\u5168\u63aa\u65bd\uff1aIP\u767d\u540d\u55ae\u548cFail2Ban"},"content":{"rendered":"

\u5be6\u65bd\u4f60\u7684\u9999\u6e2fVPS\u7684\u5b89\u5168\u63aa\u65bd\uff1aIP\u767d\u540d\u55ae\u548cFail2Ban<\/h1>\n

\u5728\u4eca\u5929\u7684\u6578\u5b57\u74b0\u5883\u4e2d\uff0c\u78ba\u4fdd\u4f60\u7684\u865b\u64ec\u79c1\u6709\u670d\u52d9\u5668(VPS)\u7684\u5b89\u5168\u662f\u6975\u5176\u91cd\u8981\u7684\u3002\u4f5c\u70ba\u4e00\u5bb6VPS\u8a17\u7ba1\u516c\u53f8\uff0cServer.HK\u4e86\u89e3\u5be6\u65bd\u5805\u56fa\u5b89\u5168\u63aa\u65bd\u4ee5\u4fdd\u8b77\u4f60\u7684\u6578\u64da\u548c\u57fa\u790e\u8a2d\u65bd\u7684\u91cd\u8981\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u7814\u7a76\u4f60\u7684\u9999\u6e2fVPS\u5169\u500b\u5fc5\u4e0d\u53ef\u5c11\u7684\u5b89\u5168\u63aa\u65bd\uff1aIP\u767d\u540d\u55ae\u548cFail2Ban\u3002<\/p>\n

IP\u767d\u540d\u55ae<\/h2>\n

IP\u767d\u540d\u55ae\uff0c\u4e5f\u88ab\u7a31\u70baIP\u904e\u6ffe\uff0c\u662f\u4e00\u7a2e\u5b89\u5168\u6280\u8853\uff0c\u53ea\u5141\u8a31\u7279\u5b9a\u7684IP\u5730\u5740\u6216\u7bc4\u570d\u8a2a\u554f\u4f60\u7684VPS\u3002\u901a\u904e\u5275\u5efa\u4e00\u500b\u53d7\u4fe1\u4efbIP\u5730\u5740\u7684\u767d\u540d\u55ae\uff0c\u4f60\u53ef\u4ee5\u9650\u5236\u8b80\u53d6\u4f60\u7684\u670d\u52d9\u5668\u7684\u6b0a\u9650\uff0c\u6e1b\u5c0f\u672a\u7d93\u8a8d\u8b49\u7684\u8a2a\u554f\u548c\u6f5b\u5728\u5b89\u5168\u7834\u58de\u7684\u98a8\u96aa\u3002<\/p>\n

\u8981\u5728\u4f60\u7684\u9999\u6e2fVPS\u4e0a\u5be6\u65bdIP\u767d\u540d\u55ae\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u8b58\u5225\u9700\u8981\u8a2a\u554f\u4f60\u7684VPS\u7684IP\u5730\u5740\u3002\u9019\u53ef\u80fd\u5305\u62ec\u4f60\u81ea\u5df1\u7684IP\u5730\u5740\uff0c\u53d7\u4fe1\u4efb\u7684\u54e1\u5de5\uff0c\u6216\u8005\u7279\u5b9a\u7684\u670d\u52d9\u3002<\/li>\n
  2. \u8a2a\u554f\u4f60\u7684VPS\u63a7\u5236\u9762\u677f\u6216SSH\u9032\u4f60\u7684\u4f3a\u670d\u5668\u3002<\/li>\n
  3. \u8f49\u81f3\u9632\u706b\u7246\u914d\u7f6e\u6587\u4ef6\uff0c\u901a\u5e38\u4f4d\u65bc\/etc\/iptables\/rules.v4<\/code>\u3002<\/li>\n
  4. \u901a\u904e\u9644\u52a0\u4ee5\u4e0b\u898f\u5247\u70ba\u6bcf\u500bIP\u5730\u5740\u5c07IP\u5730\u5740\u6dfb\u52a0\u5230\u767d\u540d\u55ae\uff1a\n<\/ol>\n
    -A INPUT -s <IP_ADDRESS> -j ACCEPT\r\n<\/code><\/pre>\n
    \u5c07<IP_ADDRESS><\/code>\u66ff\u63db\u70ba\u4f60\u5e0c\u671b\u767d\u540d\u55ae\u7684\u5be6\u969bIP\u5730\u5740\u3002<\/p>\n
    \u5132\u5b58\u8b8a\u66f4\u4e26\u91cd\u65b0\u5553\u52d5\u9632\u706b\u7246\u4ee5\u4f7f\u65b0\u898f\u5247\u751f\u6548\u3002\u73fe\u5728\uff0c\u53ea\u6709\u767d\u540d\u55ae\u4e0a\u7684IP\u5730\u5740\u80fd\u5920\u8a2a\u554f\u4f60\u7684\u9999\u6e2fVPS\u3002<\/p>\n
    Fail2Ban<\/h2>\n
    Fail2Ban\u662f\u4e00\u7a2e\u958b\u6e90\u5165\u4fb5\u9810\u9632\u8edf\u9ad4\uff0c\u53ef\u4ee5\u4fdd\u8b77\u4f60\u7684VPS\u514d\u53d7\u66b4\u529b\u7834\u89e3\u653b\u64ca\uff0c\u5b57\u5178\u653b\u64ca\u548c\u5176\u4ed6\u60e1\u610f\u6d3b\u52d5\u7684\u653b\u64ca\u3002\u5b83\u901a\u904e\u76e3\u8996\u65e5\u8a8c\u6a94\u6848\u4e2d\u7684\u53ef\u7591\u6d3b\u52d5\uff0c\u4e26\u81ea\u52d5\u5c01\u9396\u986f\u793a\u8a72\u884c\u70ba\u7684IP\u5730\u5740\u3002<\/p>\n
    \u8981\u5728\u4f60\u7684\u9999\u6e2fVPS\u4e0a\u5b89\u88dd\u548c\u914d\u7f6eFail2Ban\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n
      \n
    1. \u901a\u904eSSH\u9023\u63a5\u5230\u4f60\u7684VPS\u3002<\/li>\n
    2. \u901a\u904e\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u4f60\u7684\u7cfb\u7d71\u5305\u5217\u8868\uff1a<\/li>\n<\/ol>\n
      sudo apt update\r\n<\/code><\/pre>\n
        \n
      1. \u901a\u904e\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b89\u88ddFail2Ban\uff1a<\/li>\n<\/ol>\n
        sudo apt install fail2ban\r\n<\/code><\/pre>\n
          \n
        1. \u8907\u88fd\u9810\u8a2d\u7684\u8a2d\u5b9a\u6a94\u6848\uff1a<\/li>\n<\/ol>\n
          sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\r\n<\/code><\/pre>\n
            \n
          1. \u7de8\u8f2f\u8a72\u914d\u7f6e\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n
            sudo nano \/etc\/fail2ban\/jail.local\r\n<\/code><\/pre>\n
            \u5728\u6587\u4ef6\u5167\u90e8\uff0c\u4f60\u53ef\u4ee5\u81ea\u8a02\u5404\u7a2e\u8a2d\u7f6e\uff0c\u5982\u5c01\u9396\u6642\u9593\uff0c\u6700\u5927\u91cd\u8a66\u6b21\u6578\uff0c\u4ee5\u53ca\u8981\u76e3\u8996\u7684\u670d\u52d9\u3002<\/p>\n
              \n
            1. \u5132\u5b58\u8b8a\u66f4\u4e26\u96e2\u958b\u7de8\u8f2f\u5668\u3002<\/li>\n
            2. \u91cd\u65b0\u5553\u52d5Fail2Ban\u670d\u52d9\uff1a<\/li>\n<\/ol>\n
              sudo systemctl restart fail2ban\r\n<\/code><\/pre>\n
              Fail2Ban\u73fe\u5df2\u5728\u4f60\u7684\u9999\u6e2fVPS\u4e0a\u555f\u7528\uff0c\u901a\u904e\u81ea\u52d5\u5c01\u9396\u60e1\u610fIP\u5730\u5740\u63d0\u4f9b\u984d\u5916\u5b89\u5168\u5c64\u3002<\/p>\n
              \u7e3d\u7d50<\/h2>\n
              \u5728\u4f60\u7684\u9999\u6e2fVPS\u4e0a\u5be6\u65bd\u5b89\u5168\u63aa\u65bd\u5c0d\u4fdd\u8b77\u4f60\u7684\u6578\u64da\u548c\u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002IP\u767d\u540d\u55ae\u5141\u8a31\u4f60\u9650\u5236\u8a2a\u554f\u53d7\u4fe1\u4efb\u7684IP\u5730\u5740\uff0c\u6e1b\u5c11\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u98a8\u96aa\u3002\u800cFail2Ban\u5247\u901a\u904e\u81ea\u52d5\u5c01\u9396\u60e1\u610f\u7684IP\u5730\u5740\u4f86\u4fdd\u8b77\u4f60\u7684VPS\u514d\u53d7\u5404\u7a2e\u985e\u578b\u653b\u64ca\u3002<\/p>\n
              \u5728Server.HK\uff0c\u6211\u5011\u5c07VPS\u7684\u5b89\u5168\u4f5c\u70ba\u6211\u5011\u7684\u9996\u8981\u4efb\u52d9\u3002\u5982\u9700\u8a73\u7d30\u4e86\u89e3\u6211\u5011\u7684\u9999\u6e2fVPS\u8a17\u7ba1\u670d\u52d9\uff0c\u8acb\u8a2a\u554fserver.hk<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u5be6\u65bd\u4f60\u7684\u9999\u6e2fVPS\u7684\u5b89\u5168\u63aa\u65bd\uff1aI...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[],"class_list":["post-22270","post","type-post","status-publish","format-standard","hentry","category-4927"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=22270"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22270\/revisions"}],"predecessor-version":[{"id":23084,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/22270\/revisions\/23084"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=22270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=22270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=22270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}