Performance Tuning RHEL 5 and Bind

Alan Clegg alan at clegg.com
Wed Oct 23 01:39:14 UTC 2013


On Oct 22, 2013, at 8:29 PM, brett smith <brett.s9999 at gmail.com> wrote:

> Yes tuning off IPTABLES conn-tracking makes a huge difference. I also followed:
> 
> https://access.redhat.com/site/solutions/304713
> https://access.redhat.com/site/solutions/168483
> 
> I still see some SYN_SENT from Windows PC's on tcp port 53 on the DNS
> cache server.

You've cured the symptoms, not the illness.

You really, REALLY need to figure out why your clients are doing TCP.  You'll see a world of difference when you solve this part of the puzzle.

AlanC
-- 
Alan Clegg | +1-919-355-8851 | alan at clegg.com

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