it is possible to publish an port to an specific ipv4 address (for example x.x.x.1:80:80 and x.x.x.2:80:80), so is it possible to publish a port to a specific ipv6 or is it not. If not why? This should be implemented.
If I understand you correctly, you can actually do that. With ipv4’s dot notation, we distinguish the port from the IP by using a colon (’:’), in case of ipv6, enclose the IP part in square brackets.
docker run --rm --name nginx -d -p [ipv6]:8080:80 nginx
Now verify the behaviour using
Yesss this is what i meant. It is working but now i’ve got another problem:
1234:1234:1234:1234:1::2 is not the actual ipv6, and
1234:1234:1234:1234::/64 would be my subnet
$ docker run -d -p [1234:1234:123:1234:1::2]:80:80 --name container2 nginxdemos/hello
docker: Error response from daemon: driver failed programming external connectivity on endpoint container2 (d5499d1e5634a9e12a49d1445e55069981bad9f86d3232e4b63b3dcef45c7825): Error starting userland proxy: listen tcp [1234:1234:123:1234:1::2]:80: bind: cannot assign requested address.
I registered that subnet in the network interfaces:
ifcae eth0 inet6 auto iface eth0 inet6 static address 1234:1234:1234:1234:: netmask 64 gateway fe80::1 accept_ra 0 autoconf 0 privext 0 up ip -6 route add local 1234:1234:1234:1234::/64 dev lo
Any idea why i can’t bind the port to an address from that range? But i can bind it to
The error message indicates the address you’re trying to bind with, does not exist on your system. Why you can bind to the network is where I’m not sure about. I’ll see if I can get some information on that.
I’ll see if I can get some information on that.
The error message indicates the address you’re trying to bind with, does not exist on your system
Hm, but when i try to ping the address or just bind the container to the host without an specific ipv6 address i can connect to the container with the specific ipv6 address i try to bind the container to.
Hello. ipv6 works in docker? file “daemon.json” is and configured. I am struggling for the third day on setting up ipv6 so that you can use ipv6 in tor relay. docker itself works on ubuntu 20.04. It is possible to somehow test ipv6 and open ports for ipv6 in docker? ipv4 works without problems.