{"id":301519,"date":"2022-05-28T08:47:58","date_gmt":"2022-05-28T00:47:58","guid":{"rendered":"https:\/\/www.idc.net\/help\/301519\/"},"modified":"2022-05-28T08:47:58","modified_gmt":"2022-05-28T00:47:58","slug":"openbsd-pf%ef%bc%9aopenbsd%e6%95%b0%e6%8d%ae%e5%8c%85%e8%bf%87%e6%bb%a4%e5%99%a8","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/301519\/","title":{"rendered":"Openbsd PF\uff1aOpenBSD\u6570\u636e\u5305\u8fc7\u6ee4\u5668"},"content":{"rendered":"

\u8c61\u5176\u5b83\u5e73\u53f0\u4e0a\u7684Netfilter\u548cIP Filter\u4e00\u6837\uff0cOpenBSD\u7528\u6237\u6700\u7231\u7528PF\uff0c\u8fd9\u5c31\u662f\u4ed6\u4eec\u7684\u9632\u706b\u5899\u5de5\u5177\u3002\u5b83\u7684\u529f\u80fd\u6709\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u3001\u7ba1\u7406TCP\/IP\u901a\u8baf\u3001\u63d0\u4f9b\u5e26\u5bbd\u63a7\u5236\u548c\u6570\u636e\u5305\u5206\u7ea7\u63a7\u5236\u3002\u5b83\u8fd8\u6709\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u88ab\u52a8\u64cd\u4f5c\u7cfb\u7edf\u68c0\u6d4b\u3002PF\u662f\u7531\u7f16\u5199OpenBSD\u7684\u540c\u4e00\u6279\u4eba\u7f16\u5199\u7684\uff0c\u6240\u4ee5\u4f60\u5b8c\u5168\u53ef\u4ee5\u653e\u5fc3\u4f7f\u7528\uff0c\u5b83\u5df2\u7ecf\u7ecf\u8fc7\u4e86\u5f88\u597d\u7684\u8bc4\u4f30\u3001\u8bbe\u8ba1\u548c\u7f16\u7801\u4ee5\u907f\u514d\u66b4\u9732\u5176\u5b83\u5305\u8fc7\u6ee4\u5668\uff08other packet filters\uff09\u4e0a\u7684\u7c7b\u4f3c\u6f0f\u6d1e\u3002<\/p>\n

\u4e0b\u8f7d\u94fe\u63a5\uff1ahttp:\/\/down.\/data\/155543<\/p>\n

>>\u53bb\u7f51\u7edc\u5b89\u5168\u5de5\u5177\u767e\u5b9d\u7bb1\u770b\u770b\u5176\u5b83\u5b89\u5168\u5de5\u5177<\/strong><\/span><\/span><\/p>\n

\u542f\u7528<\/strong><\/p>\n

\u9ed8\u8ba4\u542f\u7528 PF\u3002\u5982\u679c\u4f60\u5e0c\u671b\u5b83\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u7981\u6b62\uff0c\u8bf7\u589e\u52a0\u4e00\u884c<\/p>\n

\n \n \n 
    \n  \n  \n  
  1. pf<\/span>=<\/span>NO<\/span> <\/span><\/span><\/li>\n \n \n <\/ol><\/pre>\n
    \u5230\u6587\u4ef6 \/etc\/rc.conf.local \u4e2d\uff0c\u91cd\u542f\u7cfb\u7edf\u8ba9\u5b83\u751f\u6548\u3002\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 pfctl(8) \u7a0b\u5e8f\u6765\u624b\u5de5\u542f\u7528\u6216\u5173\u95ed PF:<\/p>\n
    \n \n \n 
      \n  \n  \n  
    1. # pfctl -e  <\/span><\/span><\/li>\n  \n  \n  
    2. # pfctl -d <\/span><\/li>\n \n \n <\/ol><\/pre>\n
      \u8fd9\u4e24\u4e2a\u547d\u4ee4\u5206\u522b\u5b83\u4eec\u542f\u7528\u548c\u5173\u95ed PF\u3002 \u6ce8\u610f\u5b83\u53ea\u662f\u542f\u7528\u548c\u5173\u95ed PF\uff0c\u4e0d\u4f1a\u52a0\u8f7d\u89c4\u5219\u3002\u89c4\u5219\u5fc5\u987b\u5728\u542f\u7528 PF \u4e4b\u524d\u6216\u5176\u540e\u5355\u72ec\u52a0\u8f7d\u3002<\/p>\n
      \u914d\u7f6e<\/strong><\/p>\n
      \u5728\u542f\u52a8\u65f6\uff0cPF \u4ece\u6587\u4ef6 \/etc\/pf.conf \u8bfb\u53d6\u8fc7\u6ee4\u89c4\u5219\uff0c\u5b83\u662f\u88ab rc \u811a\u672c\u52a0\u8f7d\u7684\u3002\u6ce8\u610f \/etc\/pf.conf \u662f\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6\uff0c\u88ab\u7cfb\u7edf rc \u811a\u672c\u52a0\u8f7d\uff0c\u5b83\u53ea\u662f\u88ab pfctl(8) \u52a0\u8f7d\u548c\u89e3\u6790\u6267\u884c\u7684\u6587\u672c\u6587\u4ef6\uff0c\u63d2\u5165\u5230 pf(4) \u4e2d\u3002\u67d0\u4e9b\u5e94\u7528\u53ef\u80fd\u5728\u7cfb\u7edf\u542f\u52a8\u540e\uff0c\u4ece\u5176\u5b83\u6587\u4ef6\u52a0\u8f7d\u9644\u52a0\u7684\u8fc7\u6ee4\u89c4\u5219\u3002 \u4e0e\u4efb\u4e00\u5f88\u597d\u8bbe\u8ba1\u7684 Unix \u5e94\u7528\u7c7b\u4f3c\uff0cPF \u63d0\u4f9b\u4e86\u5f88\u597d\u7684\u9002\u5e94\u6027\u3002<\/p>\n
      \u6587\u4ef6 pf.conf \u6709\u4e94\u4e2a\u90e8\u5206:<\/strong><\/p>\n
      \u5b8f: \u7528\u6237\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u4fdd\u5b58 IP\uff0c\u63a5\u53e3\u540d\u79f0\u7b49\u3002<\/p>\n
      \u8868: \u4fdd\u5b58 IP \u5217\u8868\u7684\u7ed3\u6784\u3002<\/p>\n
      \u9009\u9879: \u63a7\u5236 PF \u5de5\u4f5c\u7684\u9009\u9879\u3002<\/p>\n
      \u961f\u5217: \u63d0\u4f9b\u5e26\u5bbd\u548c\u4f18\u5148\u7ea7\u7684\u63a7\u5236\u3002<\/p>\n
      \u8f6c\u6362: \u7f51\u7edc\u5730\u5740\u8f6c\u6362\u548c\u7aef\u53e3\u8f6c\u53d1\u3002<\/p>\n
      \u8fc7\u6ee4\u5668\u89c4\u5219:\u9009\u62e9\u6027\u963b\u585e\u6216\u653e\u884c\u4efb\u610f\u7f51\u7edc\u63a5\u53e3\u7684\u5305\uff0c\u8fc7\u6ee4\u5668\u89c4\u5219\u53ef\u4ee5\u4e3a\u7f51\u7edc\u5730\u5740\u8f6c\u6362 (NAT) \u548c\u7aef\u53e3\u8f6c\u53d1\u6307\u5b9a\u53c2\u6570\u3002\u5ffd\u7565\u7a7a\u884c\uff0c\u4ee5 # \u5f00\u59cb\u7684\u884c\u662f\u6ce8\u91ca\u3002<\/p>\n
      \u63a7\u5236<\/strong><\/p>\n
      \u542f\u52a8\u4e4b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 pfctl(8) \u7a0b\u5e8f\u6765\u63a7\u5236 PF \u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u4f8b\u5b50:<\/p>\n
      \n \n \n 
        \n  \n  \n  
      1. # pfctl -f \/etc\/pf.conf     \u52a0\u8f7d\u6587\u4ef6 pf.conf  <\/span><\/span><\/li>\n  \n  \n  
      2. # pfctl -nf \/etc\/pf.conf    \u89e3\u6790\u6587\u4ef6\uff0c\u4f46\u662f\u4e0d\u52a0\u8f7d  <\/span><\/li>\n  \n  \n  
      3.  <\/span><\/li>\n  \n  \n  
      4. # pfctl -sr                 \u663e\u793a\u5f53\u524d\u7684\u8fc7\u6ee4\u5668\u89c4\u5219  <\/span><\/li>\n  \n  \n  
      5. # pfctl -ss                 \u663e\u793a\u5f53\u524d\u7684\u72b6\u6001\u8868  <\/span><\/li>\n  \n  \n  
      6. # pfctl -si                 \u663e\u793a\u8fc7\u6ee4\u5668\u7edf\u8ba1\u4fe1\u606f\u548c\u8ba1\u6570\u5668  <\/span><\/li>\n  \n  \n  
      7. # pfctl -sa                 \u663e\u793a\u4e00\u5207\u4fe1\u606f  <\/span><\/li>\n \n \n <\/ol><\/pre>\n
        \u5b8c\u6574\u7684\u547d\u4ee4\u5217\u8868\u5728 pfctl(8) \u624b\u518c\u9875\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u8c61\u5176\u5b83\u5e73\u53f0\u4e0a\u7684Netfilter\u548cIP Filter\u4e00\u6837\uff0cOpenBSD\u7528\u6237\u6700\u7231\u7528PF\uff0c\u8fd9\u5c31\u662f\u4ed6\u4eec\u7684\u9632\u706b\u5899\u5de5\u5177 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202645],"tags":[],"class_list":["post-301519","post","type-post","status-publish","format-standard","hentry","category-202645"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/301519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=301519"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/301519\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=301519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=301519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=301519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}