[Pdns-users] UDP Connection Table Exhaustion?

Matthew Walster - Gyron matthew.walster at gyron.net
Fri Jul 3 08:19:21 UTC 2009

> -----Original Message-----
> From: bert.hubert at gmail.com [mailto:bert.hubert at gmail.com] On Behalf Of
> bert hubert
> Sent: 03 July 2009 09:16
> To: Matthew Walster - Gyron
> Cc: Sten Spans; Pdns-users at mailman.powerdns.com
> Subject: Re: [Pdns-users] UDP Connection Table Exhaustion?
> To nuance this a bit - on Linux, you can have great benefit from the
> iptables 'NOTRACK' target, which can help you do firewalling that will
> not run into problems from busy DNS traffic.

I'll have to look into that one, thanks. AFAICT, the only iptables rules we run are for icmp 0/3/8/11, ssh, dns, and what appears to be some kind of multicast traffic.

Thanks for the tip!

Matthew Walster

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