Re: POP3 Forwarding ok or not.

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On Tue, Jan 18, 2005 at 04:58:58PM -0300, Pablo Allietti wrote:
> hi people. 
> 
> 
> i have a question..
> 
> my net is 
> 
> 
> 		|200.40.228.64/28
> 		|
> 		Firewall FC2 (200.40.229.67)
> 		|	dns midomain.com
> 		|
> 		|192.168.1.0/24
> -------------------------------
>     |
>     |
>     |
> FC2 (pop3) 192.168.1.6
> 
> 
> i need to check mail in midomain.com but the pop3 server and mail server
> is in 192.168.1.8
> 
> is that correct to check and send mail?
> 
> iptables -A FORWARD -i eth1 -o eth0 -p tcp -s 0/0 -d 192.168.1.6 --dport
> 110 -j ACCEPT
> iptables -A FORWARD -i eth1 -o eth0 -p tcp -s 0/0 -d 192.168.1.6 --dport  
> 25 -j ACCEPT

those are correct for your filter rules.  do you already have the NAT
setup for this as well?

  iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 110 \
    -j DNAT --to-destination 192.168.1.6

  iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 25 \
    -j DNAT --to-destination 192.168.1.6

-j

--
"This has purple stuff inside - purple is a fruit."
        --The Simpsons


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