{"id":620,"date":"2024-08-22T10:06:00","date_gmt":"2024-08-22T02:06:00","guid":{"rendered":"https:\/\/thereisno.top:4430\/?p=620"},"modified":"2024-08-22T10:06:01","modified_gmt":"2024-08-22T02:06:01","slug":"iptables-%e7%ab%af%e5%8f%a3%e8%bd%ac%e5%8f%91","status":"publish","type":"post","link":"https:\/\/thereisno.top\/?p=620","title":{"rendered":"iptables \u7aef\u53e3\u8f6c\u53d1"},"content":{"rendered":"\n

1\u3001\u6dfb\u52a0nat\u7b56\u7565<\/h2>\n\n\n\n

\u6b64\u5904\u5c068080\u8f6c\u523080\u7aef\u53e3\uff0c9000\u8f6c\u523090<\/p>\n\n\n\n

sudo iptables -t nat -I PREROUTING -p udp –dport 80 -j REDIRECT –to-ports 8080<\/p>\n\n\n\n

sudo iptables -t nat -I PREROUTING -p udp –dport 90 -j REDIRECT –to-ports 9000<\/p>\n\n\n\n

2\u3001\u67e5\u770b\u7aef\u53e3\u89c4\u5219\u60c5\u51b5<\/h2>\n\n\n\n

sudo iptables -L -n -t nat –line-number<\/p>\n\n\n\n

Chain PREROUTING<\/mark> (policy ACCEPT)<\/p>\n\n\n\n

num  target     prot opt source               destination         <\/p>\n\n\n\n

1\u00a0 \u00a0 REDIRECT \u00a0 17 \u00a0 —\u00a0 0.0.0.0\/0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.0.0.0\/0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 udp dpt:90 redir ports 9000<\/p>\n\n\n\n

2\u00a0 \u00a0 REDIRECT \u00a0 17 \u00a0 —\u00a0 0.0.0.0\/0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.0.0.0\/0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 udp dpt:80 redir ports 8080<\/p>\n\n\n\n

Chain INPUT (policy ACCEPT)<\/p>\n\n\n\n

num\u00a0 target \u00a0 \u00a0 prot opt source \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 destination\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0<\/p>\n\n\n\n

3\u3001\u5220\u9664\u7b56\u7565<\/h2>\n\n\n\n

#\u5220\u9664PREROUTING\u7684\u7b2c\u4e8c\u6761\u5df2\u6dfb\u52a0\u89c4\u5219\uff0c\u8fd9\u91cc2\u4ee3\u8868\u7b2c\u51e0\u884c\u89c4\u5219<\/p>\n\n\n\n

#PREROUTING \u5bf9\u5e94 Chain\u7c7b\u578b\uff0c\u4e0a\u97622\u6807\u9ec4\u90e8\u5206<\/p>\n\n\n\n

sudo iptables -D PREROUTING 2\u00a0 <\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u6dfb\u52a0nat\u7b56\u7565 \u6b64\u5904\u5c068080\u8f6c\u523080\u7aef\u53e3\uff0c9000\u8f6c\u523090 sudo iptables -t nat – … <\/p>\n

\u7ee7\u7eed\u9605\u8bfb\u201ciptables \u7aef\u53e3\u8f6c\u53d1\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[126,10],"class_list":["post-620","post","type-post","status-publish","format-standard","hentry","category-linux","tag-iptable","tag-linux"],"_links":{"self":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=620"}],"version-history":[{"count":1,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/620\/revisions"}],"predecessor-version":[{"id":621,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/620\/revisions\/621"}],"wp:attachment":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}