![]() And lots of sites, including require this header to be sent. HTTP version 1.1 requires the client to send the name of the server it is contacting over the HTTP connection. If you manage to get a TCP connection opened to the server, you'll face another challenge. You could use NAT64 to be able to create a TCP connection to that IPv4-only server from an IPv6-only client.īut why would you be using an IPv6-only client? Going dual stack is a good idea, but for now IPv6-only is really only useful for testing for those who know the limitations that introduces in a world that has too many IPv4-only hosts. So you cannot reach it over IPv6 unless you use a translation mechanism. The domain has an IPv4 address but no IPv6 address. With 464xlat you can also reach urls with literal IPs. (mentioned above, but only in a different way). You can also "revert" the translation on the client-site, using 464xlat. You can add public DNS64/NAT64-resolvers to your /etc/nf: nameserver 2001:67c:2b0::4 You'll need Attitude Adjustment or Barrier Breaker previous versions of OpenWrt did not have sufficiently complete support for IPv6 and other technologies. Further information on how to set them up is available in the OpenWrt wiki. In OpenWrt, NAT64 is done with Tayga, and DNS64 with bind. These IPv6 addresses will be in the 64:ff9b::/96 range. This is generally done with a NAT64/DNS64 gateway, which translates IPv4 addresses into "fake" IPv6 addresses, and accepts connections to those "fake" IPv6 addresses and translates the connections to the IPv4 network. In order for your IPv6- only network to be able to reach IPv4 addresses, a gateway is required, which has access to IPv4. These are two completely different and incompatible protocols. You can't simply "add" an IPv6 address to reach a host that is only available via IPv4.
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