Varnish 4.1.3 (RPM rhel6) not listening on all interfaces

[Dridi Boukelmoune]

On Fri, Nov 18, 2016 at 12:54 AM, Viktor Villafuerte
<viktor.villafuerte at optusnet.com.au> wrote:
> Hi all,
>
> I've been upgrading Varnish to 4.1.3 using an RPM
> varnish-4.1.3-1.el6.x86_64
>
> All is good, except of Varnish cannot be configured to listen on all
> interfaces via sysconfig file?! I read the docs and they claim that the
> sysconfig works as before - EG, :80 will make Varnish listen on port 80
> on all interfaces. However, I cannot achieve this! Varnish errors out
> with
>
> Starting Varnish Cache: Error: Cannot open socket: :80: Address
> family not supported by protocol

Is your kernel started with IPv6 disabled? I think this is a known issue.

Dridi