将 ipv6 家宽的端口映射到 ipv4 地址的 53 端口的低成本方法 - V2EX
e5b9dad02b882816

将 ipv6 家宽的端口映射到 ipv4 地址的 53 端口的低成本方法

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  •   e5b9dad02b882816 Sep 5, 2023 1916 views
    This topic created in 985 days ago, the information mentioned may be changed or developed.

    前提条件:家宽有 ipv6 公网地址,但没有 ipv4 公网地址,有域名。

    已实现:ipv6 的服务可通过套 cloudflare 代理的方式供 ipv4 访问。

    问题:某开放 wifi 只有 ipv4 地址,只允许通过 tcp53 端口访问外网,想通过家宽做个代理,但 cloudflare 只能将源端口映射为 80/8080/8880/2052/2082/2086/2095/443/2053/2083/2087/2096/8443 ,除了另外搞 vps 之外有没有低成本的白女票方法。

    Supplement 1    Sep 7, 2023
    测试了一下,不止 tcp53 ,udp53 也可以,打洞成功了。
    6 replies    2023-09-07 23:50:08 +08:00
    Lentin
        1
    Lentin  
       Sep 5, 2023
    no way
    slowman
        2
    slowman  
       Sep 5, 2023
    只允许通过 tcp53 端口访问外网?
    是想蹭未认证的 wifi 吧
    Jirajine
      &nbp; 3
    Jirajine  
       Sep 5, 2023 via Android
    只允许 53 那你只能自己搞一个 dns tunnel
    e5b9dad02b882816
        4
    e5b9dad02b882816  
    OP
       Sep 5, 2023
    @Jirajine 不要求 dns tunnel ,只要 ipv4 的 tcp53 端口就行
    ysc3839
        5
    ysc3839  
       Sep 5, 2023 via Android   1
    先看看能否用 natmap 吧
    https://github.com/heiher/natmap
    e5b9dad02b882816
        6
    e5b9dad02b882816  
    OP
       Sep 7, 2023
    @ysc3839 虽然没用上 natmap ,但是发现 nat 是限制端口锥形,手工打洞成功了。打算用 gost 跑一个 quic+socks 代理,现在的问题是 gost 如何指定源端口,类似于 netcat 的-p 选项
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