\u5b89\u5168\u8abf\u67e5\u6e05\u55ae<\/h3>\n

\n
• \u4f7f\u7528\u9032\u968egrep\u6a21\u5f0f\u5206\u6790\u7cfb\u7d71\u65e5\u8a8c\uff1a
  \ngrep -r \"PATTERN\" \/var\/log\/ | awk '{print $1, $2, $3, $9}'<\/code><\/li>\n
• \u4f7f\u7528\u591a\u7a2e\u5de5\u5177\u6aa2\u67e5rootkit\uff1a\n
  \n
  • \u4f7f\u7528\u5fb9\u5e95\u6383\u63cf\u9078\u9805\u904b\u884crkhunter\uff1arkhunter --check --skip-keypress<\/code><\/li>\n
  • \u5c08\u5bb6\u6a21\u5f0f\u904b\u884cchkrootkit\uff1achkrootkit -x<\/code><\/li>\n
  • \u4f7f\u7528OSSEC\u9032\u884c\u5168\u9762\u7cfb\u7d71\u5206\u6790<\/li>\n
  • \u81ea\u8a02\u6838\u5fc3\u6a21\u7d44\u9a57\u8b49\u8173\u672c<\/li>\n<\/ul>\n<\/li>\n
  • \u5be9\u67e5\u8eab\u4efd\u9a57\u8b49\u65e5\u8a8c\uff1a
    \nausearch -ts today -i | grep -i authenticate<\/code><\/li>\n<\/ul>\n

    \u5be6\u65bd\u9ad8\u7d1a\u9810\u9632\u63aa\u65bd<\/strong><\/h2>\n

    \u5728\u89e3\u6c7a\u7dca\u6025\u554f\u984c\u5f8c\uff0c\u5be6\u65bd\u5f37\u5927\u7684\u5b89\u5168\u63aa\u65bd\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u9019\u4e9b\u6280\u8853\u914d\u7f6e\u5c07\u986f\u8457\u63d0\u5347\u60a8\u7684\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u72c0\u6cc1\uff0c\u4e26\u6709\u52a9\u65bc\u9632\u6b62\u672a\u4f86\u7684\u76dc\u7528\u3002<\/p>\n

    \u57fa\u672c\u5b89\u5168\u914d\u7f6e<\/h3>\n

    \n
    • SSH\u5f37\u5316\uff1a
      \nPermitRootLogin no
\nPasswordAuthentication no
\nMaxAuthTries 3
\nProtocol 2
\nAllowUsers specified_user
\nPort random_high_port
\n<\/code><\/li>\n
    • \u9632\u706b\u7246\u898f\u5247\u6700\u4f73\u5316\uff1a\n
      \n
      • \u5be6\u65bd\u901f\u7387\u9650\u5236\uff1aiptables -A INPUT -p tcp --dport 22 -m state --state NEW -m recent --set<\/code><\/li>\n
      • \u914d\u7f6e\u9023\u63a5\u57e0\u6572\u9580\u5e8f\u5217\u4ee5\u589e\u52a0\u5b58\u53d6\u63a7\u5236<\/li>\n
      • \u8a2d\u7f6efail2ban\uff0c\u914d\u7f6e\u81ea\u8a02\u76e3\u7344\u898f\u5247\u548c\u7a4d\u6975\u7684\u903e\u6642\u8a2d\u5b9a<\/li>\n
      • \u5be6\u65bd\u61c9\u7528\u5c64\u904e\u6ffe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        \u9ad8\u7d1a\u76e3\u63a7\u548c\u5075\u6e2c\u7cfb\u7d71<\/strong><\/h2>\n

        \u5be6\u65bd\u5168\u9762\u7684\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u7dad\u8b77\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u81f3\u95dc\u91cd\u8981\u3002\u73fe\u4ee3\u5a01\u8105\u74b0\u5883\u9700\u8981\u8907\u96dc\u7684\u5075\u6e2c\u6a5f\u5236\uff0c\u80fd\u5920\u8b58\u5225\u4e26\u8b66\u544a\u5fae\u5999\u7684\u76dc\u7528\u6307\u6a19\u3002<\/p>\n

        \u5373\u6642\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848<\/h3>\n

        \n
        • \u914d\u7f6ePrometheus\u81ea\u8a02\u8b66\u5831\u898f\u5247\uff1a
          \nalert: HighCPUUsage
\nexpr: cpu_usage_idle < 10
\nfor: 5m
\nlabels:
\nseverity: warning
\nannotations:
\ndescription: \"\u6aa2\u6e2c\u5230\u9ad8CPU\u4f7f\u7528\u7387\"
\n<\/code><\/li>\n
        • \u5be6\u65bdELK Stack\uff1a\n
          \n
          • \u4f7f\u7528Elasticsearch\u9032\u884c\u65e5\u8a8c\u805a\u5408\u548c\u641c\u5c0b<\/li>\n
          • \u4f7f\u7528Logstash\u9032\u884c\u65e5\u8a8c\u89e3\u6790\u3001\u904e\u6ffe\u548c\u8cc7\u6599\u8c50\u5bcc<\/li>\n
          • \u4f7f\u7528Kibana\u9032\u884c\u9032\u968e\u8996\u89ba\u5316\u548c\u5373\u6642\u5206\u6790<\/li>\n
          • \u81ea\u8a02\u5b89\u5168\u6307\u6a19\u5100\u8868\u677f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            \u9078\u64c7\u53ef\u9760\u7684\u4f3a\u670d\u5668\u79df\u7528\u4f9b\u61c9\u5546<\/strong><\/h2>\n

            \u60a8\u7684\u4f3a\u670d\u5668\u79df\u7528\u4f9b\u61c9\u5546\u5728\u7dad\u8b77\u4f3a\u670d\u5668\u5b89\u5168\u65b9\u9762\u767c\u63ee\u8457\u95dc\u9375\u4f5c\u7528\u3002\u5728\u8a55\u4f30\u4f9b\u61c9\u5546\u6642\uff0c\u8acb\u8003\u616e\u9019\u4e9b\u76f4\u63a5\u5f71\u97ff\u60a8\u7684\u5b89\u5168\u614b\u52e2\u548c\u4e8b\u4ef6\u61c9\u8b8a\u80fd\u529b\u7684\u6280\u8853\u65b9\u9762\u3002<\/p>\n

            \u95dc\u9375\u4f9b\u61c9\u5546\u7279\u6027<\/h3>\n

            \n
            • \u7db2\u8def\u5c64\u5b89\u5168\uff1a\n
              \n
              • \u4f01\u696d\u7d1aDDoS\u7de9\u89e3\u80fd\u529b<\/li>\n
              • BGP\u4efb\u64ad\u652f\u63f4\u4ee5\u5be6\u73fe\u6d41\u91cf\u5206\u914d<\/li>\n
              • \u5177\u6709\u81ea\u8a02\u898f\u5247\u96c6\u7684\u9032\u968eWAF\u5be6\u73fe<\/li>\n
              • \u591a\u5c64\u7db2\u8def\u9694\u96e2<\/li>\n<\/ul>\n<\/li>\n
              • \u57fa\u790e\u8a2d\u65bd\u5b89\u5168\uff1a\n
                \n
                • ISO 27001\u8cc7\u8a0a\u5b89\u5168\u7ba1\u7406\u8a8d\u8b49<\/li>\n
                • SOC 2 Type II\u5408\u898f\u78ba\u4fdd\u71df\u904b\u5353\u8d8a<\/li>\n
                • \u5b9a\u671f\u7b2c\u4e09\u65b9\u5b89\u5168\u7a3d\u6838\u548c\u6ef2\u900f\u6e2c\u8a66<\/li>\n
                • \u5be6\u9ad4\u5b89\u5168\u63aa\u65bd\u548c\u5b58\u53d6\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  \u6301\u7e8c\u7dad\u8b77\u548c\u5b89\u5168\u5354\u5b9a<\/strong><\/h2>\n

                  \u7dad\u8b77\u4f3a\u670d\u5668\u5b89\u5168\u9700\u8981\u6301\u7e8c\u7684\u52aa\u529b\u548c\u7cfb\u7d71\u5316\u7684\u65b9\u6cd5\u3002\u5c07\u9019\u4e9b\u6280\u8853\u7a0b\u5e8f\u4f5c\u70ba\u5e38\u898f\u7dad\u8b77\u7684\u4e00\u90e8\u5206\u4f86\u5be6\u65bd\uff0c\u4ee5\u78ba\u4fdd\u6301\u7e8c\u7684\u4fdd\u8b77\u3002<\/p>\n

                  \u81ea\u52d5\u5316\u5b89\u5168\u6aa2\u67e5<\/h3>\n

                  \n
                  • \u4f7f\u7528cron\u5efa\u7acb\u81ea\u52d5\u5316\u5b89\u5168\u6383\u63cf\uff1a
                    \n0 2 * * * \/usr\/local\/security\/daily-scan.sh
\n0 0 * * 0 \/usr\/local\/security\/weekly-audit.sh
\n0 0 1 * * \/usr\/local\/security\/monthly-compliance.sh
\n<\/code><\/li>\n
                  • \u5be6\u65bd\u81ea\u52d5\u66f4\u65b0\uff1a
                    \napt-get update && apt-get upgrade -y
                    \nneedrestart -r a
                    \n<\/code><\/li>\n<\/ul>\n

                    \u9577\u671f\u5b89\u5168\u7b56\u7565<\/h3>\n

                    \n
                    • \u5be6\u65bd\u81ea\u52d5\u5099\u4efd\u8f2a\u66ff\uff1a
                      \nrsnapshot daily
\nretention: 7 daily, 4 weekly, 12 monthly
\nverification: sha256sum checking
\n<\/code><\/li>\n
                    • \u914d\u7f6e\u96c6\u4e2d\u65e5\u8a8c\u7ba1\u7406\uff1a\n
                      \n
                      • \u5e36\u52a0\u5bc6\u7684\u9060\u7aefsyslog\u4f3a\u670d\u5668\u8a2d\u5b9a<\/li>\n
                      • \u65e5\u8a8c\u8f2a\u66ff\u7b56\u7565\u548c\u58d3\u7e2e<\/li>\n
                      • \u4f7f\u7528TLS\u7684\u5b89\u5168\u65e5\u8a8c\u50b3\u8f38<\/li>\n
                      • \u65e5\u8a8c\u5b8c\u6574\u6027\u9a57\u8b49\u7cfb\u7d71<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                        \u61c9\u6025\u61c9\u8b8a\u8a08\u5283\u5236\u5b9a<\/strong><\/h2>\n

                        \u5efa\u7acb\u5168\u9762\u7684\u4e8b\u4ef6\u61c9\u8b8a\u8a08\u5283\uff0c\u5305\u62ec\u8a73\u7d30\u7684\u6280\u8853\u7a0b\u5e8f\u548c\u660e\u78ba\u7684\u6e9d\u901a\u5354\u5b9a\u3002\u9019\u78ba\u4fdd\u4e86\u5c0d\u5b89\u5168\u4e8b\u4ef6\u7684\u5feb\u901f\u6709\u6548\u56de\u61c9\uff0c\u540c\u6642\u6700\u5927\u9650\u5ea6\u5730\u6e1b\u5c11\u696d\u52d9\u5f71\u97ff\u3002<\/p>\n

                        \u61c9\u8b8a\u5718\u968a\u7d50\u69cb<\/h3>\n

                        \n
                        • \u6280\u8853\u61c9\u8b8a\u5718\u968a\uff1a\n
                          \n
                          • \u8ca0\u8cac\u4e8b\u4ef6\u5206\u6790\u7684\u5b89\u5168\u5de5\u7a0b\u5e2b<\/li>\n
                          • \u8ca0\u8cac\u904f\u5236\u7684\u7cfb\u7d71\u7ba1\u7406\u54e1<\/li>\n
                          • \u8ca0\u8cac\u6d41\u91cf\u5206\u6790\u7684\u7db2\u8def\u5de5\u7a0b\u5e2b<\/li>\n
                          • \u8ca0\u8cac\u8b49\u64da\u6536\u96c6\u7684\u9451\u8b58\u5c08\u5bb6<\/li>\n<\/ul>\n<\/li>\n
                          • \u6587\u4ef6\u8981\u6c42\uff1a\n
                            \n
                            • \u8a73\u7d30\u7684\u4e8b\u4ef6\u6642\u9593\u8ef8\u8a18\u9304<\/li>\n
                            • \u884c\u52d5\u9805\u76ee\u8ffd\u8e64\u548c\u72c0\u614b\u66f4\u65b0<\/li>\n
                            • \u4e8b\u5f8c\u5206\u6790\u548c\u7d93\u9a57\u6559\u8a13<\/li>\n
                            • \u6539\u9032\u5efa\u8b70<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                              \u7d50\u8ad6\u548c\u6700\u4f73\u5be6\u52d9<\/strong><\/h2>\n

                              \u4fdd\u8b77\u60a8\u7684\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u9700\u8981\u7d50\u5408\u6280\u8853\u5c08\u9577\u3001\u5f37\u5927\u7684\u76e3\u63a7\u548c\u4e3b\u52d5\u7dad\u8b77\u7684\u591a\u5c64\u6b21\u65b9\u6cd5\u3002\u900f\u904e\u5be6\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u964d\u4f4e\u4f3a\u670d\u5668\u88ab\u76dc\u7528\u7684\u98a8\u96aa\uff0c\u4e26\u78ba\u4fdd\u5728\u767c\u751f\u4e8b\u4ef6\u6642\u80fd\u5920\u5feb\u901f\u5fa9\u539f\u3002<\/p>\n

                              \u95dc\u9375\u8981\u9ede<\/h3>\n

                              \n
                              • \u5be6\u65bd\u5177\u6709\u5373\u6642\u8b66\u5831\u7684\u7d9c\u5408\u76e3\u63a7\u7cfb\u7d71<\/li>\n
                              • \u4fdd\u6301\u5b9a\u671f\u5b89\u5168\u7a3d\u6838\u548c\u6f0f\u6d1e\u8a55\u4f30<\/li>\n
                              • \u4fdd\u6301\u6240\u6709\u7cfb\u7d71\u66f4\u65b0\u4e26\u6b63\u78ba\u914d\u7f6e<\/li>\n
                              • \u8a18\u9304\u4e26\u5b9a\u671f\u6e2c\u8a66\u4e8b\u4ef6\u61c9\u8b8a\u7a0b\u5e8f<\/li>\n
                              • \u6295\u8cc7\u54e1\u5de5\u57f9\u8a13\u548c\u5b89\u5168\u610f\u8b58<\/li>\n<\/ul>\n

                                \u8acb\u8a18\u4f4f\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u662f\u4e00\u500b\u9700\u8981\u6301\u7e8c\u95dc\u6ce8\u548c\u9069\u61c9\u65b0\u5a01\u8105\u7684\u6301\u7e8c\u904e\u7a0b\u3002\u5b9a\u671f\u5be9\u67e5\u60a8\u7684\u4f3a\u670d\u5668\u79df\u7528\u5b89\u5168\u63aa\u65bd\u4e26\u53ca\u6642\u4e86\u89e3\u65b0\u51fa\u73fe\u7684\u5a01\u8105\u5c07\u6709\u52a9\u65bc\u7dad\u6301\u5f37\u5927\u7684\u5b89\u5168\u614b\u52e2\u3002\u5c0d\u65bc\u9700\u8981\u984d\u5916\u5b89\u5168\u63aa\u65bd\u7684\u7d44\u7e54\uff0c\u8acb\u8003\u616e\u8aee\u8a62\u5b89\u5168\u5c08\u5bb6\u6216\u63a2\u7d22\u91dd\u5c0d\u60a8\u7279\u5b9a\u9700\u6c42\u7684\u9ad8\u7d1a\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

                                [vc_row][vc_column][vc_column_text css=””]\u9999 […]<\/p>\n

                                Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":24761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[7892,7893,7894,2599,852],"class_list":["post-24772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-hk-server-hosting-tc","tag-hosting-compromise-tc","tag-cybersecurit-tc","tag-2599","tag-server-security-tc"],"acf":[],"yoast_head":"\n