Bind suddenly starts responding clients with servfail
SOAN at stofa.dk
Fri May 8 21:27:35 UTC 2020
I'm glad what I'm not the only one having this issue. Currently i've not more information that are not already mention in this mail thread.
But do you have a link to the ticket you have created?
From: Greg Rivers <gcr+bind-users at tharned.org>
Sent: Friday, May 8, 2020 04:03
To: Søren Andersen <SOAN at stofa.dk>
Cc: bind-users at lists.isc.org <bind-users at lists.isc.org>
Subject: Re: Bind suddenly starts responding clients with servfail
On Monday, 27 April 2020 03:59:39 CDT Søren Andersen wrote:
> I'm running a few BIND servers, but lately one of my servers suddenly starts
> responding to clients with servfail for every request from the clients, and
> BIND doesn't respond to the rndc or statistics interface anymore.
> My logs for client-channel show me this:
> 25-Apr-2020 21:52:04.501 client @XX XX.37#2921 (google.dk): no more
> recursive clients (1000/900/1000): quota reached
> I've removed all the dns traffic from the server, and the quota is still
> reached after 6+ hours?
> Do you guys have some clue what all this is about? - Or any suggestions
> where to look for any further information?
> I'm running BIND 9.16.1 on CentOS 7:
I've had the very same thing happen twice in the past two weeks on different production recursive servers running BIND 9.16.2 on FreeBSD. I've opened a ticket with ISC, and they are looking into it. Can you share any additional information that might aid troubleshooting?
If anyone else experiences this, please report it.
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