Bind IPV6 issue

[Hrant Dadivanyan]

Hi Duleep,

Any process running as non-root user can't bind to a port lower than
1024 (53 in your case), so if you change process uid on start (named -u)
then stop the named process and start anew.

Thank you,
Hrant

On 2020-07-09 14:56, Duleep Thilakarathne wrote:
> Hi Anand,
> 
> Yes netstat -upan only shows only ipv4 address listen :53. But sever
> listens for ipv6 SSH port. So i can confirm IPV6 working fine in server.
> But not for udp port 53.
> 
> Regards 
> DT
> 
> On Thu, 9 Jul 2020, 14:58 Anand Buddhdev, <anandb at ripe.net
> <mailto:anandb at ripe.net>> wrote:
> 
>     On 09/07/2020 11:01, Duleep Thilakarathne wrote:
> 
>     Hi Duleep,
> 
>     > I have configured bind with IPV6 support enabled. However bind
>     does not
>     > listen to IPV6 address. Any particular reason.is
>     <http://reason.is> there any place to enable
>     > IPV6 support other than named.conf.
>     >
>     > Version : BIND 9.11.4-P1 (Extended Support Version)
>     >
>     > in named.conf file
>     >
>     > listen-on-v6 { any; };
> 
>     This should work. But how do you know that BIND does not listen on IPv6
>     addresses? Did you check using "ss -lunp" or "netstat -upan"?
> 
>     Regards,
>     Anand
> 
> 
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