/no more [TCP|recursive] clients; quota reached/

[Angel Luis Uruñuela]

Tom Jennings wrote:
> 
> named[19579]: client 10.8.100.11#1569: no more TCP clients: quota reached
> named[19579]: client 10.8.100.18#4337: no more recursive clients: quota reached
> 
> I'm running the latest BIND (9.0.0.rc5!) and, sigh, one of our
> departments is shipping out 2M pieces of email (no comments
> necessary), and doing the obvious number of lookups on this BIND.
> The BIND client is Microsoft IIS's version of the SMTP server for
> Win2000.  There are two of them running.  And lo, I get errors.
> 
> I imagine this to be somewhat configurable, but I'm puzzled as to
> what this error really means. I've never dealt with this many
> lookups before.
> 
> Netstat shows only 5 - 20 connections at a time, and none seem to
> hang around too long.  lsof sez named has only 25 files open. No
> other error seems to precede this in the log.
> 
> When I see these in the log, it appears that the SMTP server starts
> failing. Killing all the nameds and restarting fixes it until the
> next error.
> 
> Any ideas?
> 
> ---
> INFORMATION GLADLY GIVEN BUT SAFETY REQUIRES AVOIDING UNNECESSARY CONVERSATION


Try increasing tcp-clients... (default is 100).

Regards

-- 
Angel Luis Uruñuela <> Unix Systems Administrator

"You can't change the past, but you can ruin
the present by worrying over the future"