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RE: IPv6 resolution problems for IPv4 resolve mode

From: Daniel Stenberg via curl-library <>
Date: Mon, 19 Sep 2022 09:18:51 +0200 (CEST)

On Fri, 16 Sep 2022, Dmitry Karpov via curl-library wrote:

> As I still see problems with IPv6 name resolutions on a large population
> (62M+ instances in my case), I would like this subject not to be forgotten.
> My patch (provided at the beginning of this thread) prohibiting using IPv6
> name resolutions for IPv4-only resolve mode in dual-stack enabled libcurl,
> proved to be helpful to mitigate bad IPv6 side effects for the IPv4 mode.

I previously expressed my concerns and ideas about the approach in the patch.
Did that go anywhere?

I propose you go ahead and make a pull-request out of it to get it tracked,
tested, reviewed and commented on further.

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Received on 2022-09-19