如何使用 nat64 让仅 ipv6 网络访问 ipv4 服务 - V2EX
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jlak

如何使用 nat64 让仅 ipv6 网络访问 ipv4 服务

  •  
  •   jlak Jan 23, 2024 2146 views
    This topic created in 827 days ago, the information mentioned may be changed or developed.
    初探仅 ipv6 服务器,但是现在好多网站都只支持 ipv4 访问,像是 vercel,railway,github
    我听说有个 nat64 技术可以把 v4 地址转换成 v6 的样子,这样可以让 v6 的机子访问 v4 的服务
    使用方法也很简单,就是把机器的 dns 换成

    vi /etc/resolv.conf


    nameserver 2606:4700:4700::64
    nameserver 2606:4700:4700::6400


    原文 https://developers.cloudflare.com/1.1.1.1/infrastructure/ipv6-networks/

    然后理论应该可以访问 v4 网站了
    但显示是地址成功转换

    比如

    nslookup vercel.com
    Server: 2606:4700:4700:0:0:0:0:64
    Address: [2606:4700:4700::64]:53

    Non-authoritative answer:
    Name: vercel.com
    Address: 64:ff9b::4c4c:15f1
    Name: vercel.com
    Address: 64:ff9b::4c4c:155d

    Non-authoritative answer:
    Name: vercel.com
    Address: 76.76.21.61
    Name: vercel.com
    Address: 76.76.21.142


    但是 ping vercel.com 一直不成功
    直接 ping 转换来的地址 64:ff9b::4c4c:15f1 也不行
    用 ipv6 测试网站测这个地址也不行

    有没有了解情况的大佬
    6 replies    2024-01-25 09:20:45 +08:00
    XiaoxiaoPu
        1
    XiaoxiaoPu  
       Jan 23, 2024
    DNS64 is specifically for networks that already have NAT64 support.

    DNS64 是和 NAT64 配合使用的,需要网络本身已经支持了 NAT64 。
    jlak
        2
    jlak  
    OP
       Jan 23, 2024
    @XiaoxiaoPu 可是根据这贴的说法 cf 的 dns64 已经是配套 nat64 了
    此外也测试了 https://nat64.net 也是一样的结果
    https://blog.iamsjy.com/2022/01/30/enable-ipv6-only-vps-to-access-ipv4-network/
    jlak
        3
    jlak  
    OP
       Jan 23, 2024 via iPhone
    原来 nat64 还需要 isp 级别的配合
    应该是无解了
    deorth
        4
    deorth  
       Jan 24, 2024 via Android
    套个 warp 就行了
    hdp5252
        5
    hdp5252  
       Jan 24, 2024
    yaott2020
        6
    yaott2020  
       Jan 25, 2024 via Android
    ipv4 ipv6 并不兼容,它们之间必然存在转换。你要怎么做到在一台仅有 ipv6 网络的机器上完成这个过程?
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