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Re: [alpine-user] Support request - Force DNS requests to go over TCP

From: Richard Tweed <>
Date: Mon, 15 Apr 2019 10:46:24 +0100

Thanks, I'll check that out!

On Sat, 13 Apr 2019 at 10:40, Paul Bredbury <> wrote:

> For any non-trivial DNS, I recommend to use Unbound.
> If you really need TCP, it has an option:
> tcp-upstream: <yes or no>
> Enable or disable whether the upstream queries use TCP only for transport.
> Default is no. Useful in tunneling scenarios.
> On Fri, 2019-04-12 at 14:00 +0100, Richard Tweed wrote:
> > I've run into a situation where I need DNS resolution to always be over
> TCP rather than UDP due to AWS dropping DNS packets frequently enough to be
> a problem. On glibc based environments I can use
> > the use-vc option in the resolv.conf file.
> >
> > On Alpine this doesn't seem to be supported and I would love to hear any
> suggestions about achieving this behaviour.

Richard Finlay Tweed
Thought Machine Group a limited company registered in England & Wales.
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Received on Mon Apr 15 2019 - 10:46:24 UTC