{"id":62502,"date":"2025-04-29T09:57:56","date_gmt":"2025-04-29T01:57:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62502\/"},"modified":"2025-04-29T09:57:56","modified_gmt":"2025-04-29T01:57:56","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e5%ae%9e%e6%88%98%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e8%bf%9b%e8%a1%8c%e9%98%b2%e5%be%a1-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62502\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1"},"content":{"rendered":"

\"Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1\u63d2\u56fe\"<\/p>\n

Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1<\/p>\n

\u6458\u8981\uff1aLinux\u670d\u52a1\u5668\u662f\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\u5bf9\u8c61\uff0c\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u9632\u5fa1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5305\u62ec\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u3001\u65e5\u5fd7\u5206\u6790\u7b49\u65b9\u9762\u7684\u5e94\u7528\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u5f15\u8a00
    Linux\u670d\u52a1\u5668\u662f\u7f51\u7edc\u653b\u51fb\u7684\u76ee\u6807\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5229\u7528\u5b83\u4eec\u8fdb\u884c\u670d\u52a1\u5668\u7684\u5b89\u5168\u9632\u5fa1\u3002<\/li>\n
  2. \u9632\u706b\u5899\u914d\u7f6e
    \u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u8fdb\u884c\u9632\u706b\u5899\u7684\u914d\u7f6e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u4e3b\u673a\u8bbf\u95eeSSH\u670d\u52a1\uff1a<\/li>\n<\/ol>\n
    # \u6e05\u7a7a\u89c4\u5219\u94fe\niptables -F\n\n# \u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565\niptables -P INPUT DROP\niptables -P FORWARD DROP\niptables -P OUTPUT ACCEPT\n\n# \u5141\u8bb8\u56de\u73af\u63a5\u53e3\niptables -A INPUT -i lo -j ACCEPT\n\n# \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\u670d\u52a1\niptables -A INPUT -p tcp --dport 22 -s 192.168.1.100 -j ACCEPT\niptables -A INPUT -p tcp --dport 22 -j DROP<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u5165\u4fb5\u68c0\u6d4b
      \u5165\u4fb5\u68c0\u6d4b\u53ef\u4ee5\u5e2e\u52a9\u53ca\u65f6\u53d1\u73b0\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u6076\u610f\u6d3b\u52a8\u3002Snort\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u8fdb\u884c\u914d\u7f6e\u548c\u76d1\u63a7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Snort\uff1a<\/li>\n<\/ol>\n
      # \u5b89\u88c5Snort\nsudo apt-get install snort\n\n# \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\nsudo vim \/etc\/snort\/snort.conf\n\n# \u542f\u52a8Snort\nsudo snort -i eth0 -c \/etc\/snort\/snort.conf -l \/var\/log\/snort\n\n# \u76d1\u63a7Snort\u65e5\u5fd7\ntail -f \/var\/log\/snort\/alert<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u65e5\u5fd7\u5206\u6790
        \u65e5\u5fd7\u5206\u6790\u662f\u4e86\u89e3\u670d\u52a1\u5668\u6d3b\u52a8\u5e76\u68c0\u6d4b\u6f5c\u5728\u5b89\u5168\u98ce\u9669\u7684\u91cd\u8981\u624b\u6bb5\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528logwatch\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\u548c\u62a5\u544a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u914d\u7f6e\u548c\u4f7f\u7528logwatch\uff1a<\/li>\n<\/ol>\n
        # \u5b89\u88c5logwatch\nsudo apt-get install logwatch\n\n# \u914d\u7f6e\u90ae\u4ef6\u53d1\u9001\nsudo vim \/etc\/cron.daily\/00logwatch\n\u8bbe\u7f6e\u90ae\u4ef6\u5730\u5740:\n$MailFrom = 'logwatch@example.com';\n$MailTo = 'your-email@example.com';\n\n# \u8fd0\u884clogwatch\nsudo \/usr\/sbin\/logwatch --output mail --format html --detail high<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \n
        1. \u603b\u7ed3
          \u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u548c\u65e5\u5fd7\u5206\u6790\u662f\u670d\u52a1\u5668\u5b89\u5168\u9632\u5fa1\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u5e76\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4fdd\u62a4\u5176Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/li>\n<\/ol>\n
          \u4ee5\u4e0a\u5c31\u662fLinux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1 \u6458\u8981\uff1aLinux\u670d\u52a1\u5668\u662f\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\u5bf9\u8c61\uff0c\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u9632\u5fa1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5305\u62ec\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u3001\u65e5\u5fd7\u5206\u6790\u7b49\u65b9\u9762\u7684\u5e94\u7528\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u5f15\u8a00Linux\u670d\u52a1\u5668\u662f\u7f51\u7edc\u653b\u51fb\u7684\u76ee\u6807\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5229\u7528\u5b83\u4eec\u8fdb\u884c\u670d\u52a1\u5668\u7684\u5b89\u5168\u9632\u5fa1\u3002 \u9632\u706b\u5899\u914d\u7f6e\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u8fdb\u884c\u9632\u706b\u5899\u7684\u914d\u7f6e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u4e3b\u673a\u8bbf\u95eeSSH\u670d\u52a1\uff1a # \u6e05\u7a7a\u89c4\u5219\u94fe iptables -F # \u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565 iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT ACCEPT # \u5141\u8bb8\u56de\u73af\u63a5\u53e3 iptables -A INPUT -i lo -j ACCEPT # \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\u670d\u52a1 iptables -A INPUT -p tcp –dport 22 -s 192.168.1.100 -j ACCEPT iptables -A INPUT -p tcp –dport 22 -j DROP \u767b\u5f55\u540e\u590d\u5236 \u5165\u4fb5\u68c0\u6d4b\u5165\u4fb5\u68c0\u6d4b\u53ef\u4ee5\u5e2e\u52a9\u53ca\u65f6\u53d1\u73b0\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u6076\u610f\u6d3b\u52a8\u3002Snort\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u8fdb\u884c\u914d\u7f6e\u548c\u76d1\u63a7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Snort\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62502","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62502"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62502\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}