{"id":167390,"date":"2023-09-13T01:20:14","date_gmt":"2023-09-12T17:20:14","guid":{"rendered":"http:\/\/www.idc.net\/help\/?p=167390"},"modified":"2023-09-13T01:31:22","modified_gmt":"2023-09-12T17:31:22","slug":"test","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/167390\/","title":{"rendered":"\u901a\u8fc7iptables \u5b9e\u73b0\u7aef\u53e3\u8f6c\u53d1"},"content":{"rendered":"

\u8981\u6c42\uff1a\u8bbf\u95ee\u672c\u673a3389\u7aef\u53e3\uff0c\u8f6c\u53d1\u5230\u76ee\u6807\u673a\u56683389\u7aef\u53e3\uff0c\u5b9e\u73b0\u8f6c\u53d1\u8fdc\u7a0b\u3002<\/p>\n

\u673a\u5668\u73af\u5883\uff1a\u672c\u673a\uff1a192.168.1.1\u00a0 \u00a0 \u76ee\u6807\u670d\u52a1\u5668\uff1a192.168.2.1<\/p>\n

\u5b9e\u73b0\u8fc7\u7a0b\uff1a<\/p>\n

1\uff0c\u5f00\u542f\u7cfb\u7edf\u7684\u8f6c\u53d1\u529f\u80fd<\/p>\n

\n
\n
    \n
  1. vi \/etc\/sysctl.conf<\/li>\n
  2. \u5c06<\/li>\n
  3. net.ipv4.ip_forward=0<\/li>\n
  4. \u4fee\u6539\u6210<\/li>\n
  5. net.ipv4.ip_forward=1<\/li>\n
  6. <\/li>\n
  7. \u7f16\u8f91\u540e\u4f7f\u7528\u4e00\u4e0b\u547d\u4ee4\u8ba9\u914d\u7f6e\u9a6c\u4e0a\u751f\u6548\uff1a<\/li>\n
  8. sysctl -p<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

    2\uff0c\u505c\u6b62iptables\u5e76\u5c06\u57fa\u4e8eFORWAR\u9ed8\u8ba4\u7b56\u7565\u4e3aACCEPT<\/p>\n

    \n
    \n
      \n
    1. service iptables stop<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
      \n
      \n
        \n
      1. iptables -t filter -P FORWARD\u00a0\u00a0ACCEPT<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

        3\uff0c\u6267\u884c\u589e\u52a0iptables \u547d\u4ee4<\/p>\n

        \n
        \n
          \n
        1. iptables -A INPUT -p tcp --dport 22 -j ACCEPT<\/li>\n
        2. iptables -t nat -A PREROUTING --dst 192.168.1.1 -p tcp --dport 3389 -j DNAT --to-destination 192.168.2.1:3389<\/li>\n
        3. iptables -t nat -A POSTROUTING --dst 192.168.2.1 -p tcp --dport 3389 -j SNAT --to-source 192.168.1.1<\/li>\n
        4. <\/li>\n
        5. \u5c06\u5f53\u524d\u89c4\u5219\u4fdd\u5b58\u5230 \/etc\/sysconfig\/iptables<\/li>\n
        6. service iptables save<\/li>\n
        7. <\/li>\n
        8. <\/li>\n
        9. \u542f\u52a8iptables \u670d\u52a1<\/li>\n
        10. service iptables start<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

          4\uff0c\u67e5\u770b\u7b56\u7565\u662f\u5426\u751f\u6548\u3002<\/p>\n

          \n
          \n
            \n
          1. iptables -t nat\u00a0 \u00a0 -nvL\u00a0\u00a0--line<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

            5,# \u5173\u4e8e\u7b56\u7565\u7684\u5220\u9664\uff0c\u5c06-A \u6539\u4e3a -D\uff0c\u6216\u8005\u6307\u5b9a\u7b56\u7565\u884c\u53f7<\/p>\n

            \n
            \n
              \n
            1. iptables -t nat -D\u00a0\u00a0PREROUTING -p tcp --dport 8080 -j REDIRECT --to-ports 80<\/li>\n
            2. <\/li>\n
            3. iptables -t nat -D\u00a0\u00a0\u76f8\u5e94\u7b56\u7565\u7684\u884c\u53f7<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

              6\uff0c\u8fdb\u884c\u6b63\u5e38\u6d4b\u8bd5<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u8981\u6c42\uff1a\u8bbf\u95ee\u672c\u673a3389\u7aef\u53e3\uff0c\u8f6c\u53d1\u5230\u76ee\u6807\u673a\u56683389\u7aef\u53e3\uff0c\u5b9e\u73b0\u8f6c\u53d1\u8fdc\u7a0b\u3002 \u673a\u5668\u73af\u5883\uff1a\u672c\u673a\uff1a192.168.1.1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-167390","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/167390","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=167390"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/167390\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=167390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=167390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=167390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}