Re: pop3 and dns

[Ray Leach <raymondl@knowledgefactory.co.za>]

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On Tue, 2004-05-04 at 11:40, Fritz Mesedilla wrote:
> Greetings!
> I have been looking for the answer to this through google...
> 
> How do I allow POP3 through my iptables rules?
> 
> I have done this...
> $IPTABLES -A FORWARD -p tcp --dport 53 -j ACCEPT
> $IPTABLES -A FORWARD -p udp --dport 53 -j ACCEPT
> 
> $IPTABLES -A FORWARD -p tcp --dport 110 -j ACCEPT
> 
> I included the dns forward rule to allow the internal clients to be able to resolve pop3 domain names. 
> 
> The problems:
> 1) They still can't resolve domain names.
> 2) POP3 can't seem to pass through going outside from the internal clients.
> 
> Please advise me to what I still need to add. Thanks.
> 

From what you show above, it's difficult to say. Are you using nat and
private ips on the inside? Are you just forwarding all traffic via your
iptables router and all your clients have public ips? Are you using
private ips on the inside and doing nat at the router?


> Cheers,
> 
> fritz <www.mesedilla.com>
> ---
> + Basta Ikaw Lord
> 
> 
> 
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Raymond Leach <raymondl@knowledgefactory.co.za>
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