I'm afraid i was not very explicit ...
I was trying to use strictly names and that's why :
I have only one public IP and 3 diferrent names. Behind the machine i have a
network with 4 servers which use that names :
Internet ---> eth0(public ip) eth1(private ip) ---> mail.server1.com
--->
mail.server2.com
--->
mail.server3.com
$IPTABLES -A PREROUTING -t nat -i eth0 -p tcp -d mail.server1.com --dport
25 -j DNAT --to 192.168.14.254:25
$IPTABLES -A FORWARD -i eth0 -p tcp -d mail1.server.com --dport 25 -j ACCEPT
$IPTABLES -A PREROUTING -t nat -i eth0 -p tcp -d mail.server2.com --dport
25 -j DNAT --to 192.168.14.251:25
$IPTABLES -A FORWARD -i eth0 -p tcp -d mail.server2.com --dport 25 -j ACCEPT
$IPTABLES -A PREROUTING -t nat -i eth0 -p tcp -d mail.server3.com --dport
25 -j DNAT --to 192.168.14.253:25
$IPTABLES -A FORWARD -i eth0 -p tcp -d mail.server3.com --dport 25 -j ACCEPT
I realized that iptables uses the resolved IP address but that's exactly
what i was trying to avoid.
Can that be possible ?
Thanks very much in advance,
Danila Octavian
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