{"id":5152,"date":"2013-06-24T20:18:32","date_gmt":"2013-06-24T12:18:32","guid":{"rendered":"http:\/\/jpuyy.com\/?p=5152"},"modified":"2023-05-29T14:49:16","modified_gmt":"2023-05-29T06:49:16","slug":"iptables-tables-and-chains","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=5152","title":{"rendered":"iptables\u7684\u8868\u548c\u94fe"},"content":{"rendered":"<p>iptables\u5305\u542b 4 \u4e2a\u8868\uff0c5 \u4e2a\u94fe<\/p>\n<p>\u5176\u4e2d\u8868\u662f\u6309\u7167\u5bf9\u6570\u636e\u5305\u7684\u64cd\u4f5c\u533a\u5206\u7684\uff0c\u94fe\u662f\u6309\u7167\u4e0d\u540c\u7684Hook\u70b9\u6765\u533a\u5206\u7684\uff0c\u8868\u548c\u94fe\u5b9e\u9645\u4e0a\u662fnetfilter\u7684\u4e24\u4e2a\u7ef4\u5ea6<\/p>\n<p>4\u4e2a\u8868:filter, nat, mangle, raw\uff0c\u9ed8\u8ba4\u8868\u662ffilter\uff08\u6ca1\u6709\u6307\u5b9a\u8868\u7684\u65f6\u5019\u5c31\u662ffilter\u8868\uff09\u3002\u8868\u7684\u5904\u7406\u4f18\u5148\u7ea7\uff1araw&gt;mangle&gt;nat&gt;filter<\/p>\n<p>filter\uff1a\u4e00\u822c\u7684\u8fc7\u6ee4\u529f\u80fd<br \/>\nnat:\u7528\u4e8enat\u529f\u80fd\uff08\u7aef\u53e3\u6620\u5c04\uff0c\u5730\u5740\u6620\u5c04\u7b49\uff09<br \/>\nmangle:\u7528\u4e8e\u5bf9\u7279\u5b9a\u6570\u636e\u5305\u7684\u4fee\u6539<br \/>\nraw: \u4f18\u5148\u7ea7\u6700\u9ad8\uff0c\u8bbe\u7f6eraw\u65f6\u4e00\u822c\u662f\u4e3a\u4e86\u4e0d\u518d\u8ba9 iptables \u505a\u6570\u636e\u5305\u7684\u94fe\u63a5\u8ddf\u8e2a\u5904\u7406\uff0c\u63d0\u9ad8\u6027\u80fd<\/p>\n<p>5\u4e2a\u94fe\uff1aPREROUTING, INPUT, FORWARD, OUTPUT, POSTROUTING<\/p>\n<p>PREROUTING: \u6570\u636e\u5305\u8fdb\u5165\u8def\u7531\u8868\u4e4b\u524d<br \/>\nINPUT: \u901a\u8fc7\u8def\u7531\u8868\u540e\u76ee\u7684\u5730\u4e3a\u672c\u673a<br \/>\nFORWARD: \u901a\u8fc7\u8def\u7531\u8868\u540e\uff0c\u76ee\u7684\u5730\u4e0d\u4e3a\u672c\u673a<br \/>\nOUTPUT: \u7531\u672c\u673a\u4ea7\u751f\uff0c\u5411\u5916\u8f6c\u53d1<br \/>\nPOSTROUTIONG: \u53d1\u9001\u5230\u7f51\u5361\u63a5\u53e3\u4e4b\u524d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iptables\u5305\u542b 4 \u4e2a\u8868\uff0c5 \u4e2a\u94fe \u5176\u4e2d\u8868\u662f\u6309\u7167\u5bf9\u6570\u636e\u5305\u7684\u64cd\u4f5c\u533a\u5206\u7684\uff0c\u94fe\u662f\u6309\u7167\u4e0d\u540c\u7684Hook\u70b9\u6765\u533a\u5206\u7684\uff0c\u8868\u548c\u94fe\u5b9e\u9645\u4e0a\u662fnetfilter\u7684\u4e24\u4e2a\u7ef4\u5ea6 4\u4e2a\u8868:filter, nat, mangle, raw\uff0c\u9ed8\u8ba4\u8868\u662ffilter\uff08\u6ca1\u6709\u6307\u5b9a\u8868\u7684\u65f6\u5019\u5c31\u662ffilter\u8868\uff09\u3002\u8868\u7684\u5904\u7406\u4f18\u5148\u7ea7\uff1araw&gt;mangle&gt;nat&gt;filter filter\uff1a\u4e00\u822c\u7684\u8fc7\u6ee4\u529f\u80fd nat:\u7528\u4e8enat\u529f\u80fd\uff08\u7aef\u53e3\u6620\u5c04\uff0c\u5730\u5740\u6620\u5c04\u7b49\uff09 mangle:\u7528\u4e8e\u5bf9\u7279\u5b9a\u6570\u636e\u5305\u7684\u4fee\u6539 raw: \u4f18\u5148\u7ea7\u6700\u9ad8\uff0c\u8bbe\u7f6eraw\u65f6\u4e00\u822c\u662f\u4e3a\u4e86\u4e0d\u518d\u8ba9 iptables \u505a\u6570\u636e\u5305\u7684\u94fe\u63a5\u8ddf\u8e2a\u5904\u7406\uff0c\u63d0\u9ad8\u6027\u80fd 5\u4e2a\u94fe\uff1aPREROUTING, INPUT, FORWARD, OUTPUT, POSTROUTING PREROUTING: \u6570\u636e\u5305\u8fdb\u5165\u8def\u7531\u8868\u4e4b\u524d INPUT: \u901a\u8fc7\u8def\u7531\u8868\u540e\u76ee\u7684\u5730\u4e3a\u672c\u673a FORWARD: \u901a\u8fc7\u8def\u7531\u8868\u540e\uff0c\u76ee\u7684\u5730\u4e0d\u4e3a\u672c\u673a OUTPUT: \u7531\u672c\u673a\u4ea7\u751f\uff0c\u5411\u5916\u8f6c\u53d1 POSTROUTIONG: \u53d1\u9001\u5230\u7f51\u5361\u63a5\u53e3\u4e4b\u524d<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[23],"class_list":["post-5152","post","type-post","status-publish","format-standard","hentry","category-iptables","tag-summary"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5152"}],"version-history":[{"count":8,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5152\/revisions"}],"predecessor-version":[{"id":9838,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5152\/revisions\/9838"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}