{"id":16892,"date":"2024-11-18T16:49:55","date_gmt":"2024-11-18T08:49:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16892\/"},"modified":"2024-11-18T16:49:55","modified_gmt":"2024-11-18T08:49:55","slug":"%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e6%8f%90%e9%ab%98linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e5%ae%9e%e6%88%98%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16892\/","title":{"rendered":"\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5b9e\u6218\u6280\u5de7"},"content":{"rendered":"

\"\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5b9e\u6218\u6280\u5de7\u63d2\u56fe\"<\/p>\n

\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5b9e\u6218\u6280\u5de7<\/p>\n

\u6458\u8981\uff1a\u5728\u5f53\u524d\u4e92\u8054\u7f51\u65f6\u4ee3\uff0cLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e2e\u52a9\u6211\u4eec\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7\u5b9e\u8df5\u64cd\u4f5c\u8fc7\u7a0b\uff0c\u4e86\u89e3\u6bcf\u4e2a\u5de5\u5177\u7684\u7528\u9014\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e76\u9644\u5e26\u4ee3\u7801\u793a\u4f8b\uff0c\u8ba9\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u638c\u63e1\u8fd9\u4e9b\u5b9e\u6218\u6280\u5de7\u3002<\/p>\n

    \n
  1. \u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\uff1aiptables<\/li>\n<\/ol>\n

    iptables\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u63a7\u5236\u7f51\u7edc\u8bbf\u95ee\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684iptables\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n

    a. \u5217\u51fa\u5f53\u524d\u7684\u9632\u706b\u5899\u89c4\u5219\uff1aiptables -L\uff1b
    b. \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee\uff1aiptables -A INPUT -p tcp –dport 22 -j ACCEPT\uff1b
    c. \u963b\u6b62\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee\uff1aiptables -A INPUT -s 192.168.1.100 -j DROP\u3002<\/p>\n

      \n
    1. \u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff1aiftop<\/li>\n<\/ol>\n

      iftop\u662f\u4e00\u6b3e\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u80fd\u591f\u663e\u793a\u51fa\u6bcf\u4e2a\u7f51\u7edc\u8fde\u63a5\u7684\u5b9e\u65f6\u6d41\u91cf\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u4f7f\u7528iftop\u7684\u793a\u4f8b\uff1a<\/p>\n

      a. \u5b89\u88c5iftop\uff1asudo apt-get install iftop\uff1b
      b. \u542f\u52a8iftop\uff1asudo iftop -i eth0\u3002<\/p>\n

        \n
      1. \u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\uff1aTripwire<\/li>\n<\/ol>\n

        Tripwire\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5\u6587\u4ef6\u5b8c\u6574\u6027\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u53d1\u73b0\u672a\u7ecf\u6388\u6743\u7684\u6587\u4ef6\u66f4\u6539\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Tripwire\u7684\u6b65\u9aa4\uff1a<\/p>\n

        a. \u5b89\u88c5Tripwire\uff1asudo apt-get install tripwire\uff1b
        b. \u751f\u6210Tripwire\u7684\u914d\u7f6e\u6587\u4ef6\uff1asudo twadmin –create-cfgfile\uff1b
        c. \u751f\u6210Tripwire\u7684\u6587\u4ef6\u6570\u636e\u5e93\uff1asudo tripwire –init\uff1b
        d. \u8fd0\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff1asudo tripwire –check\u3002<\/p>\n

          \n
        1. \u7f51\u7edc\u8fde\u63a5\u76d1\u63a7\uff1anetstat<\/li>\n<\/ol>\n

          netstat\u662f\u4e00\u4e2a\u7528\u4e8e\u5c55\u793a\u6d3b\u52a8\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u7aef\u53e3\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684netstat\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n

          a. \u5217\u51fa\u5f53\u524d\u6d3b\u52a8\u7684\u7f51\u7edc\u8fde\u63a5\uff1anetstat -t\uff1b
          b. \u663e\u793aTCP\u8fde\u63a5\u548c\u76d1\u542c\u7aef\u53e3\uff1anetstat -at\uff1b
          c. \u663e\u793aUDP\u8fde\u63a5\u548c\u76d1\u542c\u7aef\u53e3\uff1anetstat -au\u3002<\/p>\n

            \n
          1. \u65e5\u5fd7\u6587\u4ef6\u5206\u6790\uff1agrep<\/li>\n<\/ol>\n

            grep\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u65e5\u5fd7\u6587\u4ef6\u5206\u6790\u5de5\u5177\uff0c\u80fd\u591f\u6839\u636e\u7ed9\u5b9a\u7684\u6a21\u5f0f\u641c\u7d22\u7279\u5b9a\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684grep\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n

            a. \u5728\u65e5\u5fd7\u6587\u4ef6\u4e2d\u641c\u7d22\u7279\u5b9a\u5173\u952e\u8bcd\uff1agrep “error” \/var\/log\/syslog\uff1b
            b. \u5ffd\u7565\u5927\u5c0f\u5199\u641c\u7d22\uff1agrep -i “ERROR” \/var\/log\/syslog\uff1b
            c. \u7edf\u8ba1\u5339\u914d\u884c\u6570\uff1agrep -c “warning” \/var\/log\/syslog\u3002<\/p>\n

              \n
            1. \u7f51\u7edc\u6d41\u91cf\u55c5\u63a2\uff1atcpdump<\/li>\n<\/ol>\n

              tcpdump\u662f\u4e00\u4e2a\u7528\u4e8e\u55c5\u63a2\u7f51\u7edc\u6d41\u91cf\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u80fd\u591f\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\u5e76\u8fdb\u884c\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684tcpdump\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n

              a. \u6293\u53d6\u6240\u6709\u6d41\u7ecf\u7f51\u5361\u7684\u6570\u636e\u5305\uff1asudo tcpdump -i eth0\uff1b
              b. \u6293\u53d6\u7279\u5b9a\u6e90IP\u6216\u76ee\u6807IP\u7684\u6570\u636e\u5305\uff1asudo tcpdump host 192.168.1.100\uff1b
              c. \u6293\u53d6\u7279\u5b9a\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1asudo tcpdump port 80\u3002<\/p>\n

              \u7ed3\u8bba\uff1a\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u6211\u4eec\u80fd\u591f\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u65e0\u8bba\u662f\u9632\u706b\u5899\u914d\u7f6e\u3001\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u3001\u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\u8fd8\u662f\u65e5\u5fd7\u6587\u4ef6\u5206\u6790\uff0c\u8fd9\u4e9b\u5b9e\u6218\u6280\u5de7\u90fd\u80fd\u6709\u6548\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u9009\u53d6\u5408\u9002\u7684\u5de5\u5177\uff0c\u5e76\u7ed3\u5408\u4ee3\u7801\u793a\u4f8b\uff0c\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e9b\u6280\u5de7\u3002<\/p>\n

              \u5173\u952e\u8bcd\uff1aLinux\u670d\u52a1\u5668\u3001\u5b89\u5168\u6027\u3001\u547d\u4ee4\u884c\u5de5\u5177\u3001\u5b9e\u6218\u6280\u5de7\u3001\u4ee3\u7801\u793a\u4f8b<\/p>\n

              \u4ee5\u4e0a\u5c31\u662f\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5b9e\u6218\u6280\u5de7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u547d\u4ee4\u884c\u5de5\u5177\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5b9e\u6218\u6280\u5de7 \u6458\u8981\uff1a\u5728\u5f53\u524d\u4e92\u8054\u7f51\u65f6\u4ee3\uff0cLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e2e\u52a9\u6211\u4eec\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7\u5b9e\u8df5\u64cd\u4f5c\u8fc7\u7a0b\uff0c\u4e86\u89e3\u6bcf\u4e2a\u5de5\u5177\u7684\u7528\u9014\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e76\u9644\u5e26\u4ee3\u7801\u793a\u4f8b\uff0c\u8ba9\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u638c\u63e1\u8fd9\u4e9b\u5b9e\u6218\u6280\u5de7\u3002 \u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\uff1aiptables iptables\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u63a7\u5236\u7f51\u7edc\u8bbf\u95ee\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684iptables\u547d\u4ee4\u793a\u4f8b\uff1a a. \u5217\u51fa\u5f53\u524d\u7684\u9632\u706b\u5899\u89c4\u5219\uff1aiptables -L\uff1bb. \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee\uff1aiptables -A INPUT -p tcp –dport 22 -j ACCEPT\uff1bc. \u963b\u6b62\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee\uff1aiptables -A INPUT -s 192.168.1.100 -j DROP\u3002 \u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff1aiftop iftop\u662f\u4e00\u6b3e\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u80fd\u591f\u663e\u793a\u51fa\u6bcf\u4e2a\u7f51\u7edc\u8fde\u63a5\u7684\u5b9e\u65f6\u6d41\u91cf\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u4f7f\u7528iftop\u7684\u793a\u4f8b\uff1a a. \u5b89\u88c5iftop\uff1asudo apt-get install iftop\uff1bb. \u542f\u52a8iftop\uff1asudo iftop -i eth0\u3002 \u6587\u4ef6\u5b8c\u6574\u6027\u68c0\u67e5\uff1aTripwire Tripwire\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u67e5\u6587\u4ef6\u5b8c\u6574\u6027\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u53d1\u73b0\u672a\u7ecf\u6388\u6743\u7684\u6587\u4ef6\u66f4\u6539\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Tripwire\u7684\u6b65\u9aa4\uff1a a. \u5b89\u88c5Tripwire\uff1asudo apt-get install tripwire\uff1bb. \u751f\u6210Tripwire\u7684\u914d\u7f6e\u6587\u4ef6\uff1asudo twadmin –create-cfgfile\uff1bc. \u751f\u6210Tripwire\u7684\u6587\u4ef6\u6570\u636e\u5e93\uff1asudo tripwire –init\uff1bd. \u8fd0\u884c\u5b8c\u6574\u6027\u68c0\u67e5\uff1asudo tripwire –check\u3002 \u7f51\u7edc\u8fde\u63a5\u76d1\u63a7\uff1anetstat netstat\u662f\u4e00\u4e2a\u7528\u4e8e\u5c55\u793a\u6d3b\u52a8\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u7aef\u53e3\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684netstat\u547d\u4ee4\u793a\u4f8b\uff1a a. \u5217\u51fa\u5f53\u524d\u6d3b\u52a8\u7684\u7f51\u7edc\u8fde\u63a5\uff1anetstat -t\uff1bb. […]<\/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-16892","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16892","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=16892"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16892\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}