I have a question regarding ipf and ipnat. I have a firewall with two
public IP addresses. One of the IP addresses is for incoming Internet
traffic only and the other is for incoming e-mail. I'm not sure why my
ISP has done, this, but they have.
In otherwords, all incoming http traffic (port 80) will be going to the
address 184.108.40.206 and all incoming smtp traffic (port 25) will be going to
220.127.116.11. The internal address of the firewall is 10.129.10.40/24.
The webserver has an internal address of 10.129.10.49 and a default
gateway of 10.129.10.40 (the firewall).
If I use rdr on an incoming connection, will repsonses exit the network
on the same interface they entered the firewall on?
Following are the rules I would use.
rdr em1 18.104.22.168/32 port 80 -> 10.129.10.49 port 80 tcp
pass in on em1 from any to 22.214.171.124 port = 80 keep state
pass out on em1 from 126.96.36.199 port = 80 to any keep state
Does this solution make sense, or is there a better way to accomplish the
Thanks for your help.
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