{"id":16984,"date":"2024-11-18T13:21:13","date_gmt":"2024-11-18T05:21:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16984\/"},"modified":"2024-11-18T13:21:13","modified_gmt":"2024-11-18T05:21:13","slug":"%e5%88%a9%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e6%8f%90%e5%8d%87linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16984\/","title":{"rendered":"\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u5b89\u5168"},"content":{"rendered":"

\"\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u5b89\u5168\u63d2\u56fe\"<\/p>\n

\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u5b89\u5168<\/p>\n

\u5728\u5f53\u524d\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u5bf9\u4e8e\u4efb\u4f55\u4e00\u5bb6\u4f01\u4e1a\u6216\u4e2a\u4eba\u7528\u6237\u6765\u8bf4\u90fd\u975e\u5e38\u91cd\u8981\u3002\u800cLinux\u4f5c\u4e3a\u4e00\u79cd\u5e38\u89c1\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u63d0\u5347\u5176\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4fdd\u62a4Linux\u670d\u52a1\u5668\u3002<\/p>\n

    \n
  1. SSH\uff08Secure Shell\uff09<\/li>\n<\/ol>\n

    SSH\u662f\u4e00\u79cd\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u52a0\u5bc6\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u5b83\u80fd\u591f\u5728\u4e0d\u5b89\u5168\u7684\u7f51\u7edc\u4e2d\u63d0\u4f9b\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u529f\u80fd\u3002\u901a\u8fc7SSH\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u660e\u6587\u4f20\u8f93\u5bc6\u7801\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u4f7f\u7528\u516c\u94a5\u52a0\u5bc6\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n

    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fddSSH\u670d\u52a1\u5df2\u7ecf\u5b89\u88c5\u5e76\u5f00\u542f\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

    sudo apt-get install openssh-server<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u7f16\u8f91SSH\u914d\u7f6e\u6587\u4ef6\/etc\/ssh\/sshd_config\uff0c\u4fee\u6539\u9ed8\u8ba4\u7684\u7aef\u53e3\u53f7\u3001\u7981\u6b62root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
    sudo nano \/etc\/ssh\/sshd_config<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5728\u6587\u4ef6\u4e2d\u53ef\u4ee5\u627e\u5230\u7c7b\u4f3c\u5982\u4e0b\u7684\u914d\u7f6e\u9879\uff1a<\/p>\n
    #Port 22\n#PermitRootLogin prohibit-password<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5c06\u5176\u4e2d\u7684\u6ce8\u91ca\u7b26\u53f7\u53bb\u6389\u5e76\u4fee\u6539\u9700\u8981\u7684\u8bbe\u7f6e\u3002\u4fee\u6539\u5b8c\u6210\u540e\uff0c\u4fdd\u5b58\u5e76\u9000\u51fa\u3002<\/p>\n
    \u6700\u540e\uff0c\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\uff0c\u4f7f\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n
    sudo service ssh restart<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. Fail2Ban<\/li>\n<\/ol>\n
      Fail2Ban\u662f\u4e00\u4e2a\u7528\u4e8e\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb\u7684\u5f00\u6e90\u8f6f\u4ef6\uff0c\u5b83\u53ef\u4ee5\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\uff0c\u5e76\u4e14\u81ea\u52a8\u5c01\u7981\u653b\u51fb\u8005\u7684IP\u5730\u5740\u3002\u8fd9\u91cc\u6211\u4eec\u7ed9\u51fa\u4e00\u4e2a\u793a\u4f8b\uff0c\u7528\u4e8e\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u7684\u60c5\u51b5\u3002<\/p>\n
      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Fail2Ban\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
      sudo apt-get install fail2ban<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u914d\u7f6e\u6587\u4ef6\/etc\/fail2ban\/jail.local\u7528\u4e8e\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u3002\u53ef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
      sudo nano \/etc\/fail2ban\/jail.local<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
      [sshd]\nenabled = true\nport = ssh\nlogpath = %(sshd_log)s\nfindtime = 600\nbantime = 3600\nmaxretry = 3<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4fdd\u5b58\u5e76\u9000\u51fa\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n
      \u6700\u540e\uff0c\u91cd\u542fFail2Ban\u670d\u52a1\uff0c\u4f7f\u5176\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n
      sudo service fail2ban restart<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. iptables<\/li>\n<\/ol>\n
        iptables\u662f\u4e00\u4e2a\u5728Linux\u5185\u6838\u4e2d\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u8fc7\u6ee4\u548c\u8f6c\u53d1\u7f51\u7edc\u6570\u636e\u5305\uff0c\u7528\u4e8e\u63a7\u5236\u7f51\u7edc\u8bbf\u95ee\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684iptables\u547d\u4ee4\u793a\u4f8b\u3002<\/p>\n
        \u5173\u95ed\u6240\u6709\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
        sudo iptables -P INPUT DROP<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
        sudo iptables -A INPUT -s <ip> -j ACCEPT<\/ip><\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u5141\u8bb8\u67d0\u4e2a\u7aef\u53e3\u7684\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
        sudo iptables -A INPUT -p tcp --dport  -j ACCEPT<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u7981\u6b62\u7279\u5b9aIP\u5730\u5740\u7684\u5165\u7ad9\u8fde\u63a5\uff1a<\/p>\n
        sudo iptables -A INPUT -s <ip> -j DROP<\/ip><\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4fdd\u5b58iptables\u914d\u7f6e\uff1a<\/p>\n
        sudo service iptables save<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4ee5\u4e0a\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u901a\u8fc7\u5b83\u4eec\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u5728\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u4e4b\u524d\uff0c\u4e00\u5b9a\u8981\u4e86\u89e3\u76f8\u5173\u7684\u547d\u4ee4\u53ca\u5176\u7528\u6cd5\uff0c\u907f\u514d\u8bef\u64cd\u4f5c\u5bfc\u81f4\u670d\u52a1\u5668\u4e0d\u53ef\u7528\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u65f6\u523b\u4fdd\u6301\u7cfb\u7edf\u548c\u8f6f\u4ef6\u7684\u66f4\u65b0\uff0c\u53ca\u65f6\u4fee\u8865\u6f0f\u6d1e\uff0c\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u9632\u5fa1\u80fd\u529b\u3002<\/p>\n
        \u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u795d\u60a8\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u65e0\u5fe7\uff01<\/p>\n
        \u4ee5\u4e0a\u5c31\u662f\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u5b89\u5168\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":"
        \u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u5b89\u5168 \u5728\u5f53\u524d\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u5bf9\u4e8e\u4efb\u4f55\u4e00\u5bb6\u4f01\u4e1a\u6216\u4e2a\u4eba\u7528\u6237\u6765\u8bf4\u90fd\u975e\u5e38\u91cd\u8981\u3002\u800cLinux\u4f5c\u4e3a\u4e00\u79cd\u5e38\u89c1\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u63d0\u5347\u5176\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4fdd\u62a4Linux\u670d\u52a1\u5668\u3002 SSH\uff08Secure Shell\uff09 SSH\u662f\u4e00\u79cd\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u52a0\u5bc6\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u5b83\u80fd\u591f\u5728\u4e0d\u5b89\u5168\u7684\u7f51\u7edc\u4e2d\u63d0\u4f9b\u5b89\u5168\u7684\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u7684\u529f\u80fd\u3002\u901a\u8fc7SSH\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u660e\u6587\u4f20\u8f93\u5bc6\u7801\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u4f7f\u7528\u516c\u94a5\u52a0\u5bc6\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fddSSH\u670d\u52a1\u5df2\u7ecf\u5b89\u88c5\u5e76\u5f00\u542f\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo apt-get install openssh-server \u767b\u5f55\u540e\u590d\u5236 \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u7f16\u8f91SSH\u914d\u7f6e\u6587\u4ef6\/etc\/ssh\/sshd_config\uff0c\u4fee\u6539\u9ed8\u8ba4\u7684\u7aef\u53e3\u53f7\u3001\u7981\u6b62root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo nano \/etc\/ssh\/sshd_config \u767b\u5f55\u540e\u590d\u5236 \u5728\u6587\u4ef6\u4e2d\u53ef\u4ee5\u627e\u5230\u7c7b\u4f3c\u5982\u4e0b\u7684\u914d\u7f6e\u9879\uff1a #Port 22 #PermitRootLogin prohibit-password \u767b\u5f55\u540e\u590d\u5236 \u5c06\u5176\u4e2d\u7684\u6ce8\u91ca\u7b26\u53f7\u53bb\u6389\u5e76\u4fee\u6539\u9700\u8981\u7684\u8bbe\u7f6e\u3002\u4fee\u6539\u5b8c\u6210\u540e\uff0c\u4fdd\u5b58\u5e76\u9000\u51fa\u3002 \u6700\u540e\uff0c\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\uff0c\u4f7f\u914d\u7f6e\u751f\u6548\uff1a sudo service ssh restart \u767b\u5f55\u540e\u590d\u5236 Fail2Ban Fail2Ban\u662f\u4e00\u4e2a\u7528\u4e8e\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb\u7684\u5f00\u6e90\u8f6f\u4ef6\uff0c\u5b83\u53ef\u4ee5\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\uff0c\u5e76\u4e14\u81ea\u52a8\u5c01\u7981\u653b\u51fb\u8005\u7684IP\u5730\u5740\u3002\u8fd9\u91cc\u6211\u4eec\u7ed9\u51fa\u4e00\u4e2a\u793a\u4f8b\uff0c\u7528\u4e8e\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u7684\u60c5\u51b5\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Fail2Ban\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo apt-get install fail2ban \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u914d\u7f6e\u6587\u4ef6\/etc\/fail2ban\/jail.local\u7528\u4e8e\u76d1\u63a7SSH\u767b\u5f55\u5931\u8d25\u3002\u53ef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo nano \/etc\/fail2ban\/jail.local \u767b\u5f55\u540e\u590d\u5236 \u5728\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a [sshd] enabled = true port = ssh logpath = %(sshd_log)s findtime = […]<\/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-16984","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16984","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=16984"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16984\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}