IP Tables problem
Jason Staudenmayer
jasons at NJAQUARIUM.ORG
Wed Oct 20 15:55:14 UTC 2004
If you DNS server has the firewall on it use these
iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT
If your forwarding ports for DNS you'll need those and then your forwarding
rules.
Jason
> -----Original Message-----
> From: antonio tuozzo [mailto:at.com at utopianet.net]
> Sent: Wednesday, October 20, 2004 11:59 AM
> To: General Red Hat Linux discussion list
> Subject: Re: IP Tables problem
>
>
> This is true! However, normal queries are single UDP
> requests. DNS system uses TCP only when data syze replies if
> > 512 bytes.
> On Wed, Oct 20, 2004 at 06:20:20PM +0200, Crucificator wrote:
> > >
> > As a matter of fact DNS uses both TCP and UDP.
> >
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