{"id":61417,"date":"2025-04-29T08:05:56","date_gmt":"2025-04-29T00:05:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61417\/"},"modified":"2025-04-29T08:05:56","modified_gmt":"2025-04-29T00:05:56","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%e7%a4%be%e4%ba%a4%e5%b7%a5%e7%a8%8b%e6%94%bb%e5%87%bb%e7%9a%84%e5%85%a5%e4%be%b5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61417\/","title":{"rendered":"\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\u5165\u4fb5"},"content":{"rendered":"

\u5982\u4f55\u914d\u7f6e centos \u7cfb\u7edf\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\u5165\u4fb5<\/p>\n

\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u5165\u4fb5\u624b\u6bb5\uff0c\u9ed1\u5ba2\u901a\u8fc7\u4f2a\u88c5\u6210\u4fe1\u4efb\u7684\u5b9e\u4f53\u8bf1\u4f7f\u4eba\u4eec\u6cc4\u6f0f\u654f\u611f\u4fe1\u606f\uff0c\u4ece\u800c\u83b7\u53d6\u975e\u6cd5\u5229\u76ca\u3002\u4e3a\u4e86\u4fdd\u62a4\u4e2a\u4eba\u9690\u79c1\u548c\u7f51\u7edc\u5b89\u5168\uff0c\u6211\u4eec\u9700\u8981\u5728 CentOS \u7cfb\u7edf\u4e0a\u8fdb\u884c\u4e00\u4e9b\u914d\u7f6e\u6765\u62b5\u5fa1\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6709\u6548\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u4ee5\u53ca\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \n

    \u7981\u7528\u81ea\u52a8\u767b\u5f55
    \u5f53 CentOS \u7cfb\u7edf\u542f\u52a8\u65f6\uff0c\u7981\u7528\u81ea\u52a8\u767b\u5f55\u529f\u80fd\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\u7f16\u8f91\/etc\/gdm\/custom.conf\u6587\u4ef6\uff0c\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n

    AutomaticLoginEnable=true\nAutomaticLogin=<username><\/username><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5c06\u8fd9\u4e24\u884c\u6539\u4e3a\uff1a<\/p>\n
    AutomaticLoginEnable=false<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
  2. \n
    \u8bbe\u7f6e\u5f3a\u5bc6\u7801\u7b56\u7565
    \u4f7f\u7528\u5f3a\u5bc6\u7801\u53ef\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u731c\u6d4b\u5bc6\u7801\u8fdb\u884c\u5165\u4fb5\u3002\u4fee\u6539\/etc\/pam.d\/system-auth\u6587\u4ef6\uff0c\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n
    password    requisite     pam_cracklib.so try_first_pass retry=3 type=<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5c06\u5176\u66ff\u6362\u4e3a\uff1a<\/p>\n
    password    required     pam_cracklib.so retry=3 minlen=<min_length> difok=<min_different_characters><\/min_different_characters><\/min_length><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5176\u4e2d\uff0c  \u662f\u5bc6\u7801\u7684\u6700\u5c0f\u957f\u5ea6\u8981\u6c42\uff0c  \u662f\u5728\u5bc6\u7801\u4e2d\u5fc5\u987b\u5305\u542b\u7684\u4e0d\u540c\u5b57\u7b26\u6570\u91cf\u3002  <\/p>\n<\/li>\n
  3. \n
    \u5b89\u88c5\u9632\u706b\u5899\u5e76\u914d\u7f6e\u89c4\u5219
    CentOS \u81ea\u5e26\u7684\u9632\u706b\u5899\u5de5\u5177\u662f iptables\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u9632\u706b\u5899\uff1a<\/p>\n
    sudo yum install -y iptables-services<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u63a5\u4e0b\u6765\uff0c\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u4ee5\u5141\u8bb8\u5fc5\u8981\u7684\u5165\u7ad9\u548c\u51fa\u7ad9\u8fde\u63a5\uff0c\u5e76\u62d2\u7edd\u4e0d\u5fc5\u8981\u7684\u8fde\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n
    # \u6e05\u7a7a\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219\nsudo iptables -F\n\n# \u5141\u8bb8 ssh \u8fde\u63a5\nsudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT\n\n# \u5141\u8bb8 HTTP \u548c HTTPS \u8fde\u63a5\nsudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT\nsudo iptables -A INPUT -p tcp --dport 443 -j ACCEPT\n\n# \u62d2\u7edd\u5176\u5b83\u5165\u7ad9\u8fde\u63a5\nsudo iptables -A INPUT -j REJECT\n\n# \u5141\u8bb8\u6240\u6709\u51fa\u7ad9\u8fde\u63a5\nsudo iptables -A OUTPUT -j ACCEPT<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
  4. \n
    \u914d\u7f6e\u90ae\u4ef6\u8b66\u62a5
    \u901a\u8fc7\u8bbe\u7f6e\u90ae\u4ef6\u8b66\u62a5\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u53ca\u65f6\u6536\u5230\u7cfb\u7edf\u7684\u5b89\u5168\u901a\u77e5\uff0c\u4ee5\u4fbf\u53ca\u65f6\u91c7\u53d6\u884c\u52a8\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684\u90ae\u4ef6\u8b66\u62a5\u914d\u7f6e\uff1a<\/p>\n
    # \u5b89\u88c5\u90ae\u4ef6\u53d1\u9001\u5de5\u5177\nsudo yum install -y mailx\n\n# \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\nsudo vi \/etc\/aliases\n\n# \u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u5c06\u90ae\u4ef6\u53d1\u9001\u5230\u60a8\u7684\u90ae\u7bb1\nroot:    your-email@example.com\n\n# \u66f4\u65b0\u914d\u7f6e\u6587\u4ef6\nsudo newaliases\n\n# \u6d4b\u8bd5\u90ae\u4ef6\u53d1\u9001\necho \"Test email content\" | mail -s \"Test email subject\" your-email@example.com<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n
  5. \n
    \u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6
    \u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684 CentOS \u7cfb\u7edf\u62e5\u6709\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u548c\u529f\u80fd\u6539\u8fdb\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\uff1a<\/p>\n
    sudo yum update -y<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n
    \u901a\u8fc7\u4ee5\u4e0a\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u5728 CentOS \u7cfb\u7edf\u4e0a\u589e\u5f3a\u5b89\u5168\u6027\uff0c\u4fdd\u62a4\u60a8\u7684\u4e2a\u4eba\u9690\u79c1\u548c\u7f51\u7edc\u5b89\u5168\uff0c\u9884\u9632\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\u5165\u4fb5\u3002\u8bf7\u8bb0\u4f4f\uff0c\u4fdd\u6301\u8b66\u60d5\u548c\u53ca\u65f6\u66f4\u65b0\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u5173\u952e\u3002<\/p>\n
    \u8bf7\u6ce8\u610f\uff0c\u672c\u6587\u63d0\u4f9b\u7684\u914d\u7f6e\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u7684\u914d\u7f6e\u548c\u547d\u4ee4\u53ef\u80fd\u56e0\u7cfb\u7edf\u7248\u672c\u3001\u73af\u5883\u53d8\u91cf\u7b49\u56e0\u7d20\u800c\u6709\u6240\u5dee\u5f02\u3002\u5728\u914d\u7f6e\u7cfb\u7edf\u65f6\uff0c\u8bf7\u4ed4\u7ec6\u9605\u8bfb\u76f8\u5173\u6587\u6863\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u8c03\u6574\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\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\u7f6e centos \u7cfb\u7edf\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u7684\u5165\u4fb5 \u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u5165\u4fb5\u624b\u6bb5\uff0c\u9ed1\u5ba2\u901a\u8fc7\u4f2a\u88c5\u6210\u4fe1\u4efb\u7684\u5b9e\u4f53\u8bf1\u4f7f\u4eba\u4eec\u6cc4\u6f0f\u654f\u611f\u4fe1\u606f\uff0c\u4ece\u800c\u83b7\u53d6\u975e\u6cd5\u5229\u76ca\u3002\u4e3a\u4e86\u4fdd\u62a4\u4e2a\u4eba\u9690\u79c1\u548c\u7f51\u7edc\u5b89\u5168\uff0c\u6211\u4eec\u9700\u8981\u5728 CentOS \u7cfb\u7edf\u4e0a\u8fdb\u884c\u4e00\u4e9b\u914d\u7f6e\u6765\u62b5\u5fa1\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6709\u6548\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u4ee5\u53ca\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u7981\u7528\u81ea\u52a8\u767b\u5f55\u5f53 CentOS \u7cfb\u7edf\u542f\u52a8\u65f6\uff0c\u7981\u7528\u81ea\u52a8\u767b\u5f55\u529f\u80fd\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\u7f16\u8f91\/etc\/gdm\/custom.conf\u6587\u4ef6\uff0c\u627e\u5230\u4ee5\u4e0b\u884c\uff1a AutomaticLoginEnable=true AutomaticLogin=<username><\/username> \u767b\u5f55\u540e\u590d\u5236 \u5c06\u8fd9\u4e24\u884c\u6539\u4e3a\uff1a AutomaticLoginEnable=false \u767b\u5f55\u540e\u590d\u5236 \u8bbe\u7f6e\u5f3a\u5bc6\u7801\u7b56\u7565\u4f7f\u7528\u5f3a\u5bc6\u7801\u53ef\u4ee5\u9632\u6b62\u793e\u4ea4\u5de5\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u731c\u6d4b\u5bc6\u7801\u8fdb\u884c\u5165\u4fb5\u3002\u4fee\u6539\/etc\/pam.d\/system-auth\u6587\u4ef6\uff0c\u627e\u5230\u4ee5\u4e0b\u884c\uff1a password requisite pam_cracklib.so try_first_pass retry=3 type= \u767b\u5f55\u540e\u590d\u5236 \u5c06\u5176\u66ff\u6362\u4e3a\uff1a password required pam_cracklib.so retry=3 minlen=<min_length> difok=<min_different_characters><\/min_different_characters><\/min_length> \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c \u662f\u5bc6\u7801\u7684\u6700\u5c0f\u957f\u5ea6\u8981\u6c42\uff0c \u662f\u5728\u5bc6\u7801\u4e2d\u5fc5\u987b\u5305\u542b\u7684\u4e0d\u540c\u5b57\u7b26\u6570\u91cf\u3002 \u5b89\u88c5\u9632\u706b\u5899\u5e76\u914d\u7f6e\u89c4\u5219CentOS \u81ea\u5e26\u7684\u9632\u706b\u5899\u5de5\u5177\u662f iptables\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u9632\u706b\u5899\uff1a sudo yum install -y iptables-services \u767b\u5f55\u540e\u590d\u5236 \u63a5\u4e0b\u6765\uff0c\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u4ee5\u5141\u8bb8\u5fc5\u8981\u7684\u5165\u7ad9\u548c\u51fa\u7ad9\u8fde\u63a5\uff0c\u5e76\u62d2\u7edd\u4e0d\u5fc5\u8981\u7684\u8fde\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u547d\u4ee4\uff1a # \u6e05\u7a7a\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219 sudo iptables -F # \u5141\u8bb8 ssh \u8fde\u63a5 sudo iptables […]<\/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-61417","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61417","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=61417"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61417\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}