\nPort 2222
\nPasswordAuthentication no
\nPermitRootLogin no
\nAllowUsers admin maintainer
\nMaxAuthTries 3
\nLoginGraceTime 60
\n<\/code><\/p>\n

\u5728\/etc\/ssh\/sshd_config\u6a94\u6848\u4e2d\u5957\u7528\u9019\u4e9b\u914d\u7f6e\u4e26\u91cd\u65b0\u555f\u52d5SSH\u670d\u52d9\uff1a<\/p>\n


\nsudo systemctl restart sshd
\n<\/code><\/p>\n

4. \u5be6\u65bd\u958b\u6e90\u5b89\u5168\u5de5\u5177<\/strong><\/h2>\n

\u5229\u7528\u9019\u4e9b\u7d93\u904e\u5be6\u6230\u6aa2\u9a57\u7684\u5de5\u5177\u4f86\u767c\u63ee\u793e\u7fa4\u9a45\u52d5\u7684\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\u7684\u529b\u91cf\uff1a<\/p>\n

\n
• Fail2ban\u5be6\u65bd\n
  \n
  • \u914d\u7f6e\u81ea\u8a02\u76e3\u7344\u898f\u5247<\/li>\n
  • \u8a2d\u7f6e\u9069\u7576\u7684\u5c01\u9396\u6642\u9593\u548c\u67e5\u627e\u6642\u9593\u53c3\u6578<\/li>\n
  • \u4e3b\u52d5\u76e3\u63a7\u8eab\u4efd\u9a57\u8b49\u65e5\u8a8c<\/li>\n<\/ul>\n<\/li>\n
  • ClamAV\u9632\u6bd2\n
    \n
    • \u5b89\u6392\u6bcf\u65e5\u7cfb\u7d71\u6383\u63cf<\/li>\n
    • \u914d\u7f6e\u5373\u6642\u6a94\u6848\u7cfb\u7d71\u76e3\u63a7<\/li>\n
    • \u8a2d\u7f6e\u5075\u6e2c\u5230\u5a01\u8105\u6642\u7684\u96fb\u5b50\u90f5\u4ef6\u901a\u77e5<\/li>\n<\/ul>\n<\/li>\n
    • ModSecurity WAF\n
      \n
      • \u555f\u7528OWASP ModSecurity\u6838\u5fc3\u898f\u5247\u96c6<\/li>\n
      • \u5be6\u65bd\u91dd\u5c0d\u7279\u5b9a\u5a01\u8105\u7684\u81ea\u8a02\u898f\u5247<\/li>\n
      • \u76e3\u63a7\u8aa4\u5224\u4e26\u76f8\u61c9\u8abf\u6574<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        
\n[sshd]
\nenabled = true
\nport = 2222
\nfilter = sshd
\nlogpath = \/var\/log\/auth.log
\nmaxretry = 3
\nbantime = 3600
\nfindtime = 600
\n<\/code><\/p>\n

        5. \u7cfb\u7d71\u76e3\u63a7\u548c\u65e5\u8a8c\u5206\u6790<\/strong><\/h2>\n

        \u4f7f\u7528\u514d\u8cbb\u5de5\u5177\u5be6\u65bd\u5f37\u5927\u7684\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n

        \n
        • \u914d\u7f6eNetdata\u9032\u884c\u5373\u6642\u6548\u80fd\u76e3\u63a7<\/li>\n
        • \u8a2d\u7f6eGrafana\u548cInfluxDB\u9032\u884c\u6307\u6a19\u8996\u89ba\u5316<\/li>\n
        • \u5be6\u65bdELK Stack\uff08Elasticsearch, Logstash, Kibana\uff09\u9032\u884c\u65e5\u8a8c\u7ba1\u7406<\/li>\n<\/ul>\n

          
\n# \u5b89\u88ddNetdata
\nbash <(curl -Ss https:\/\/my-netdata.io\/kickstart.sh)\n\n# \u914d\u7f6e\u65e5\u8a8c\u8f2a\u8f49\ncat > \/etc\/logrotate.d\/custom-logs << EOF\n\/var\/log\/custom\/*.log {\n weekly\n rotate 12\n compress\n delaycompress\n missingok\n notifempty\n}\nEOF\n<\/code><\/p>\n

          6. \u7dca\u6025\u61c9\u8b8a\u548c\u5099\u4efd\u7b56\u7565<\/strong><\/h2>\n

          \u4f7f\u7528\u539f\u751fLinux\u5de5\u5177\u5be6\u65bd\u96f6\u6210\u672c\u707d\u96e3\u5fa9\u539f\u8a08\u5283\uff1a<\/p>\n

          \n
          • \u4f7f\u7528rsync\u5efa\u7acb\u81ea\u52d5\u5099\u4efd\u8173\u672c<\/li>\n
          • \u5be6\u65bd\u589e\u91cf\u5099\u4efd\u7b56\u7565<\/li>\n
          • \u914d\u7f6e\u7570\u5730\u5099\u4efd\u540c\u6b65<\/li>\n<\/ul>\n

            
\n#!\/bin\/bash
\nBACKUP_DIR=\"\/backup\"
\nTIMESTAMP=$(date +%Y%m%d_%H%M%S)
\nrsync -aAXv --delete --exclude={\"\/dev\/*\",\"\/proc\/*\",\"\/sys\/*\",\"\/tmp\/*\",\"\/run\/*\",\"\/mnt\/*\",\"\/media\/*\",\"\/lost+found\"} \/ $BACKUP_DIR\/system_$TIMESTAMP\/
\nfind $BACKUP_DIR -type d -mtime +7 -exec rm -rf {} \\;
\n<\/code><\/p>\n

            \u5be6\u65bd\u7b56\u7565\u548c\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n

            \u9075\u5faa\u4ee5\u4e0b\u7cfb\u7d71\u65b9\u6cd5\u4f86\u5be6\u65bd\u9019\u4e9b\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n

            \n
            • \u521d\u59cb\u8a55\u4f30\n
              \n
              • \u4f7f\u7528Lynis\u57f7\u884c\u5b89\u5168\u7a3d\u6838<\/li>\n
              • \u8a18\u9304\u7576\u524d\u5b89\u5168\u72c0\u6cc1<\/li>\n
              • \u8b58\u5225\u95dc\u9375\u8cc7\u7522\u548c\u670d\u52d9<\/li>\n<\/ul>\n<\/li>\n
              • \u5206\u968e\u6bb5\u5be6\u65bd\n
                \n
                • \u5f9e\u57fa\u672c\u52a0\u56fa\u63aa\u65bd\u958b\u59cb<\/li>\n
                • \u9010\u6b65\u5be6\u65bd\u9032\u968e\u5b89\u5168\u5de5\u5177<\/li>\n
                • \u76e3\u63a7\u7cfb\u7d71\u6548\u80fd\u5f71\u97ff<\/li>\n<\/ul>\n<\/li>\n
                • \u6e2c\u8a66\u548c\u9a57\u8b49\n
                  \n
                  • \u9032\u884c\u6ef2\u900f\u6e2c\u8a66<\/li>\n
                  • \u9a57\u8b49\u5b89\u5168\u63aa\u65bd\u6709\u6548\u6027<\/li>\n
                  • \u8a18\u9304\u548c\u8abf\u6574\u914d\u7f6e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                    \u76e3\u63a7\u548c\u7dad\u8b77\u8a08\u5283<\/strong><\/h2>\n

                    
\n\u6bcf\u65e5\u4efb\u52d9\uff1a
\n- \u6aa2\u67e5\u7cfb\u7d71\u65e5\u8a8c
\n- \u76e3\u63a7\u5931\u6557\u7684\u767b\u5165\u5617\u8a66
\n- \u9a57\u8b49\u5099\u4efd\u5b8c\u6210\u60c5\u6cc1<\/p>\n

                    \u6bcf\u9031\u4efb\u52d9\uff1a
\n- \u5be9\u67e5\u5b89\u5168\u8b66\u5831
\n- \u66f4\u65b0\u5a01\u8105\u7c3d\u7ae0
\n- \u6e2c\u8a66\u5099\u4efd\u5fa9\u539f<\/p>\n

                    \u6bcf\u6708\u4efb\u52d9\uff1a
\n- \u5b8c\u6574\u7684\u7cfb\u7d71\u5b89\u5168\u7a3d\u6838
\n- \u66f4\u65b0\u6587\u4ef6
\n- \u5be9\u67e5\u5b58\u53d6\u63a7\u5236
\n<\/code><\/p>\n

                    \u7dad\u8b77\u5f37\u5927\u7684\u65e5\u672c\u4f3a\u670d\u5668\u5b89\u5168\u6027\u4e26\u4e0d\u4e00\u5b9a\u9700\u8981\u5927\u91cf\u7684\u8cc7\u91d1\u6295\u5165\u3002\u900f\u904e\u5be6\u65bd\u9019\u4e9b\u5177\u6709\u6210\u672c\u6548\u76ca\u7684\u63aa\u65bd\u4e26\u9075\u5faa\u9069\u7576\u7684\u5b89\u5168\u5354\u5b9a\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u72c0\u6cc1\u3002\u8acb\u8a18\u4f4f\u5b9a\u671f\u5be9\u67e5\u548c\u66f4\u65b0\u9019\u4e9b\u5b89\u5168\u63aa\u65bd\uff0c\u56e0\u70ba\u65b0\u7684\u5a01\u8105\u4e0d\u65b7\u51fa\u73fe\uff0c\u5b89\u5168\u6700\u4f73\u5be6\u8e10\u4e5f\u5728\u4e0d\u65b7\u767c\u5c55\u3002<\/p>\n

                    \u70ba\u4e86\u6700\u4f73\u4fdd\u8b77\u60a8\u7684\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\uff0c\u5c07\u9019\u4e9b\u5b89\u5168\u63aa\u65bd\u8207\u5b9a\u671f\u5b89\u5168\u7a3d\u6838\u76f8\u7d50\u5408\uff0c\u4e26\u5373\u6642\u77ad\u89e3\u65b0\u51fa\u73fe\u7684\u5a01\u8105\u3002\u8003\u616e\u9010\u6b65\u5be6\u65bd\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u4e26\u4fdd\u6301\u6301\u7e8c\u7684\u670d\u52d9\u53ef\u7528\u6027\u3002<\/p>\n

                    \n

                    \u6280\u8853\u5be6\u65bd\u6ce8\u610f\u4e8b\u9805\uff1a<\/h3>\n

                    \n
                    • \u6240\u6709\u547d\u4ee4\u61c9\u9996\u5148\u5728\u958b\u767c\u74b0\u5883\u4e2d\u6e2c\u8a66<\/li>\n
                    • \u7dad\u8b77\u6240\u6709\u5b89\u5168\u914d\u7f6e\u7684\u8a73\u7d30\u6587\u4ef6<\/li>\n
                    • \u5728\u9032\u884c\u91cd\u5927\u5b89\u5168\u8b8a\u66f4\u524d\u5efa\u7acb\u9084\u539f\u9ede<\/li>\n
                    • \u5728\u6bcf\u6b21\u5be6\u65bd\u5f8c\u76e3\u63a7\u7cfb\u7d71\u6548\u80fd\u6307\u6a19<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                      \u5728\u5feb\u901f\u767c\u5c55\u7684\u4f3a\u670d\u5668\u5b89\u5168\u9818\u57df\u4e2d\uff0c\u4fdd\u8b77\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u4e26\u4e0d\u7e3d\u662f\u9700\u8981\u5927\u91cf\u7684\u8cc7\u91d1\u6295\u5165\u3002\u96d6\u7136\u8907\u96dc\u7684\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\u901a\u5e38 […]<\/p>\n

                      Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":27432,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8116],"tags":[8911,8912,8226,3742,2599],"class_list":["post-27439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan-dedicated-server-tc","tag-budget-security-measures-tc","tag-linux-hardening-tc","tag-japan-server-security-tc","tag-firewall-configuration-tc","tag-2599"],"acf":[],"yoast_head":"\n