[Nosferatu de-cloaks]
> To Do
> a) The email server should be able to send POP & SMTP requests to
> our email service providers server ie 10.10.10.10 via our gateway server
iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to 55.55.55.55
> b) Users from internet should be able to access our internal email server
> i.e. 77.77.77.77 via our gateway server 55.55.55.55
iptables -t nat -A PREROUTING -i eth1 -d 55.55.55.55 -p tcp
--dport 80 -j DNAT --to 77.77.77.77:80
> iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
> iptables -t nat -A PREROUTING -i eth1 -p tcp --sport 80 -j DNAT
> --to 77.77.77.77:80
Just lil' glitches! You are doing good :)
More rules can/should be added depending what kind of firewall you
are trying to setup.
TC,
[Nosferatu cloaks]
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