not listening on tcp
Barry Margolin
barmar at alum.mit.edu
Sat May 21 06:02:53 UTC 2005
In article <d6lede$2m3k$1 at sf1.isc.org>, Maria Iano <maria at iano.org>
wrote:
> I recently upgraded to Bind 9.3.1 on some servers running Red Hat Linux
> release 8.0 (Psyche). A few days later, one of the servers suddnly stopped
> listening to tcp port 53 on one of its interfaces. It continued listening to
> udp port 53. I have found that when I restart Bind on these servers,
> sometimes it starts listening on both tcp and udp on all interfaces as it
> should, and sometimes on one of the interfaces it listens on only udp. The
> loopback interface never seems to have a problem, but always seems to listen
> on both tcp and udp. It is only the non-loopback interfaces that have this
> problem. I haven't tested this by restarting Bind more than about 10 times,
> but it seems to be that it alternates.
>
> Has anyone else seen anything like this?
>
> Thanks,
> Maria
Could there be some other process listening on TCP port 53? What does
lsof say when BIND fails? Is there anything in the log when this
happens?
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
More information about the bind-users
mailing list