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Remove scoped IPv6 addresses from resolvers (fix #1424) #1557

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merged 3 commits into from
Apr 29, 2021

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joe-p
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@joe-p joe-p commented Feb 6, 2021

This is a fix for #1424. It removes any scoped IPv6 addresses from RESOLVERS in docker-entrypoint.sh. The alternative fix is to remove the interface from the address, but this could result in the wrong interface being used as a resolver which seems more dangerous and less intuitive than simply removing the address all together.

I also updated the README addressing this change and included some details on IPv6 NAT in response to #1419.

make test has one failure, test_dhparam_is_generated_if_missing, but this also fails on the master branch.

@buchdag buchdag added the type/fix PR for a bug fix label Apr 29, 2021
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buchdag commented Apr 29, 2021

Regarding IPv6 NAT, changes are coming to Docker:

I can confirm that Docker 20.10.6's ipv6nat implementation works, and it seems to work exactly like how this container was doing it. The only difference I have seen is that the docker ps command now shows that the ports are mapped for both IPv4 and IPv6. The downside being that "experimental" mode needs to be turned on.

robbertkl/docker-ipv6nat#65

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