Hi everyone :
First, Please forgive my poor English.
I am need some help with NAT in linux. I am using OpenLinux 2.3
Kernal was 2.2.10
We have some real internet ip from ISP1. for example :
126.96.36.199 - 188.8.131.52 (Sorry, I am using fake ip here)
So we using ip alias at eth1
184.108.40.206 => eth1
220.127.116.11 => eth1:5
18.104.22.168 => eth1:6
22.214.171.124 => eth1:10
we have another network card et0. and assign 192.168.1.1
our local lan using 192.168.1.0/255.255.255.0
We have another network card eth2 for another "ISP2"
we also have real ip too: for example :
126.96.36.199 - 188.8.131.52 (fake ip here again)
so we using ip alias at eth2
184.108.40.206 => eth2
220.127.116.11 => eth2:2
18.104.22.168 => eth2:3
I have setup the route and masq. We can work fine from internal
192.168.1.0 network to access outside world of internet.
Now I have problem to setup our www/mail/ftp server behide firewall
machine. for example . we setup an www server at 192.168.1.80
How do I setup ipchains/ipmasqadm to allow outside world form
22.214.171.124 port 80 to 192.168.1.80 port 80 ?
Does any know how to maping (NAT) real IP/Port into internal
Any help will thanks.
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