{"id":61729,"date":"2025-04-29T14:34:18","date_gmt":"2025-04-29T06:34:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61729\/"},"modified":"2025-04-29T14:34:18","modified_gmt":"2025-04-29T06:34:18","slug":"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%aecentos%e7%b3%bb%e7%bb%9f%e4%bb%a5%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8f%e8%bd%af%e4%bb%b6%e7%9a%84%e4%bc%a0%e6%92%ad%e5%92%8c%e5%85%a5%e4%be%b5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61729\/","title":{"rendered":"\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5"},"content":{"rendered":"

\u5982\u4f55\u914d\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5<\/p>\n

\u5728\u5982\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u7f51\u7edc\u5b89\u5168\u53d8\u5f97\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u52a0\u91cd\u8981\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u670d\u52a1\u5668\u7cfb\u7edf\uff0c\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u6570\u636e\u6cc4\u9732\u548c\u8fd0\u8425\u4e2d\u65ad\u3002\u4e3a\u4e86\u4fdd\u62a4CentOS\u7cfb\u7edf\u514d\u53d7\u6076\u610f\u8f6f\u4ef6\u7684\u4fb5\u5bb3\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u5fc5\u8981\u7684\u5b89\u5168\u63aa\u65bd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u914d\u7f6e\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf<\/li>\n<\/ol>\n

    \u4fdd\u6301\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u65b0\u7248\u672c\u5bf9\u4e8e\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u5165\u4fb5\u81f3\u5173\u91cd\u8981\u3002CentOS\u63d0\u4f9b\u4e86yum\u5305\u7ba1\u7406\u5668\uff0c\u53ef\u5e2e\u52a9\u6211\u4eec\u65b9\u4fbf\u5730\u66f4\u65b0\u6574\u4e2a\u7cfb\u7edf\u3002<\/p>\n

    \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\uff1a<\/p>\n

    sudo yum update<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u5b89\u88c5\u9632\u706b\u5899<\/li>\n<\/ol>\n
      \u9632\u706b\u5899\u53ef\u4ee5\u963b\u6b62\u672a\u7ecf\u8bb8\u53ef\u7684\u7f51\u7edc\u6d41\u91cf\u8fdb\u5165\u7cfb\u7edf\u3002CentOS\u7cfb\u7edf\u81ea\u5e26\u4e86Netfilter\u9632\u706b\u5899\uff0c\u4e5f\u79f0\u4e3aiptables\u3002\u4ee5\u4e0b\u662f\u8bbe\u7f6e\u57fa\u672c\u9632\u706b\u5899\u89c4\u5219\u7684\u793a\u4f8b\uff1a<\/p>\n
      sudo iptables -P INPUT DROP\nsudo iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT\nsudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT #\u5141\u8bb8SSH\u8bbf\u95ee\nsudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT #\u5141\u8bb8HTTP\u8bbf\u95ee\nsudo iptables -A INPUT -p tcp --dport 443 -j ACCEPT #\u5141\u8bb8HTTPS\u8bbf\u95ee\nsudo service iptables save\nsudo service iptables restart<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4ee5\u4e0a\u793a\u4f8b\u5c06\u4ec5\u5141\u8bb8\u6765\u81ea\u5df2\u5efa\u7acb\u8fde\u63a5\u6216\u76f8\u5173\u8fde\u63a5\u7684\u6d41\u91cf\u8fdb\u5165\u7cfb\u7edf\uff0c\u5e76\u5141\u8bb8SSH\u3001HTTP\u548cHTTPS\u8bbf\u95ee\u3002<\/p>\n
        \n
      1. \u5b89\u88c5\u548c\u914d\u7f6eSELinux<\/li>\n<\/ol>\n
        SELinux\uff08Security-Enhanced Linux\uff09\u662f\u4e00\u4e2a\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u5b89\u5168\u673a\u5236\u7684\u5b89\u5168\u5b50\u7cfb\u7edf\u3002\u5b83\u53ef\u4ee5\u9650\u5236\u8fdb\u7a0b\u7684\u8bbf\u95ee\u548c\u64cd\u4f5c\uff0c\u5e2e\u52a9\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6eSELinux\u7684\u793a\u4f8b\uff1a<\/p>\n
        sudo yum install selinux-policy-targeted selinux-utils\nsudo sed -i 's\/SELINUX=disabled\/SELINUX=enforcing\/g' \/etc\/sysconfig\/selinux\nsudo setenforce 1<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4ee5\u4e0a\u793a\u4f8b\u5c06\u5b89\u88c5SELinux\u548c\u76f8\u5173\u5de5\u5177\uff0c\u5e76\u5c06SELinux\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u5f3a\u5236\u6267\u884c\u3002<\/p>\n
          \n
        1. \u5b89\u88c5\u548c\u914d\u7f6e\u9632\u75c5\u6bd2\u8f6f\u4ef6<\/li>\n<\/ol>\n
          \u5b89\u88c5\u9632\u75c5\u6bd2\u8f6f\u4ef6\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u548c\u6e05\u9664\u6f5c\u5728\u7684\u6076\u610f\u8f6f\u4ef6\u3002ClamAV\u662f\u4e00\u6b3e\u6d41\u884c\u7684\u5f00\u6e90\u9632\u75c5\u6bd2\u8f6f\u4ef6\uff0c\u5728CentOS\u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u914d\u7f6e\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          sudo yum install clamav clamav-update\nsudo freshclam # \u66f4\u65b0\u75c5\u6bd2\u6570\u636e\u5e93\nsudo sed -i 's\/^Example\/#Example\/g' \/etc\/clamav\/clamd.conf\nsudo sed -i 's\/^Example\/#Example\/g' \/etc\/clamav\/freshclam.conf\nsudo sed -i 's\/^#LocalSocket \/var\/run\/clamd.scan\/LocalSocket \/var\/run\/clamd.scan\/g' \/etc\/clamav\/clamd.conf\nsudo systemctl enable clamd@scan\nsudo systemctl start clamd@scan<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \u4ee5\u4e0a\u793a\u4f8b\u5c06\u5b89\u88c5ClamAV\u5e76\u66f4\u65b0\u75c5\u6bd2\u6570\u636e\u5e93\u3002\u8fd8\u9700\u6ce8\u610f\uff0c\u8981\u542f\u7528\u548c\u542f\u52a8clamd@scan\u670d\u52a1\u3002<\/p>\n
            \n
          1. \u52a0\u5f3a\u8bbf\u95ee\u63a7\u5236<\/li>\n<\/ol>\n
            \u901a\u8fc7\u9650\u5236\u5bf9\u7cfb\u7edf\u7684\u8bbf\u95ee\uff0c\u53ef\u4ee5\u51cf\u5c11\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u98ce\u9669\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u52a0\u5f3a\u8bbf\u95ee\u63a7\u5236\u7684\u63aa\u65bd\uff1a<\/p>\n
              \n
            • \u914d\u7f6esudo\u8bbf\u95ee\u6743\u9650: \u4f7f\u7528visudo\u547d\u4ee4\u7f16\u8f91sudoers\u6587\u4ef6\uff0c\u4ee5\u5141\u8bb8\u7279\u5b9a\u7528\u6237\u6267\u884c\u7279\u5b9a\u547d\u4ee4\u3002<\/li>\n
            • \u9650\u5236SSH\u8bbf\u95ee: \u5728\/etc\/ssh\/sshd_config\u6587\u4ef6\u4e2d\uff0c\u8bbe\u7f6ePermitRootLogin no\u6765\u7981\u6b62root\u7528\u6237\u76f4\u63a5\u901a\u8fc7SSH\u767b\u5f55\u7cfb\u7edf\u3002<\/li>\n
            • \u9650\u5236\u7f51\u7edc\u670d\u52a1: \u4ec5\u542f\u7528\u5fc5\u9700\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u5e76\u7981\u7528\u672a\u4f7f\u7528\u7684\u670d\u52a1\u3002<\/li>\n<\/ul>\n
              \u603b\u7ed3\uff1a<\/p>\n
              \u901a\u8fc7\u9075\u5faa\u4e0a\u8ff0\u914d\u7f6e\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u53ef\u4ee5\u589e\u52a0CentOS\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u51cf\u5c11\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u98ce\u9669\u3002\u7136\u800c\uff0c\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u548c\u76d1\u63a7\u3002\u540c\u65f6\uff0c\u7528\u6237\u4e5f\u5e94\u8be5\u610f\u8bc6\u5230\u5b89\u5168\u610f\u8bc6\u548c\u6559\u80b2\u7684\u91cd\u8981\u6027\uff0c\u5e76\u91c7\u53d6\u6b63\u786e\u7684\u7f51\u7edc\u884c\u4e3a\u6765\u4fdd\u62a4\u81ea\u5df1\u7684\u7cfb\u7edf\u548c\u6570\u636e\u3002<\/p>\n
              \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u5982\u4f55\u914d\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5 \u5728\u5982\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u7f51\u7edc\u5b89\u5168\u53d8\u5f97\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u52a0\u91cd\u8981\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u670d\u52a1\u5668\u7cfb\u7edf\uff0c\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u548c\u5165\u4fb5\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u6570\u636e\u6cc4\u9732\u548c\u8fd0\u8425\u4e2d\u65ad\u3002\u4e3a\u4e86\u4fdd\u62a4CentOS\u7cfb\u7edf\u514d\u53d7\u6076\u610f\u8f6f\u4ef6\u7684\u4fb5\u5bb3\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u5fc5\u8981\u7684\u5b89\u5168\u63aa\u65bd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u914d\u7f6e\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf \u4fdd\u6301\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u65b0\u7248\u672c\u5bf9\u4e8e\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u5165\u4fb5\u81f3\u5173\u91cd\u8981\u3002CentOS\u63d0\u4f9b\u4e86yum\u5305\u7ba1\u7406\u5668\uff0c\u53ef\u5e2e\u52a9\u6211\u4eec\u65b9\u4fbf\u5730\u66f4\u65b0\u6574\u4e2a\u7cfb\u7edf\u3002 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\uff1a sudo yum update \u767b\u5f55\u540e\u590d\u5236 \u5b89\u88c5\u9632\u706b\u5899 \u9632\u706b\u5899\u53ef\u4ee5\u963b\u6b62\u672a\u7ecf\u8bb8\u53ef\u7684\u7f51\u7edc\u6d41\u91cf\u8fdb\u5165\u7cfb\u7edf\u3002CentOS\u7cfb\u7edf\u81ea\u5e26\u4e86Netfilter\u9632\u706b\u5899\uff0c\u4e5f\u79f0\u4e3aiptables\u3002\u4ee5\u4e0b\u662f\u8bbe\u7f6e\u57fa\u672c\u9632\u706b\u5899\u89c4\u5219\u7684\u793a\u4f8b\uff1a sudo iptables -P INPUT DROP sudo iptables -A INPUT -m state –state RELATED,ESTABLISHED -j ACCEPT sudo iptables -A INPUT -p tcp –dport 22 -j ACCEPT #\u5141\u8bb8SSH\u8bbf\u95ee sudo iptables -A INPUT -p tcp –dport 80 -j ACCEPT #\u5141\u8bb8HTTP\u8bbf\u95ee sudo iptables -A INPUT -p tcp –dport […]<\/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-61729","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61729","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=61729"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61729\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}