[LARTC] Routing two web sites in the same machine

Linux Advanced Routing and Traffic Control

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Title: Message
Hi, Bert, Hi All
 
I finished the reading of you Linux Advanced Routing  & Traffic Control HOWTO... Congratulations for the excelent job ! You HOWTO helped me to implement my firewall and NAT/Routing.
 
Could you please help me in a little doubt that I can't figure ?
 
I have just one C IP: 200.189.73.130
 
This IP answers for two hosts: www.realad.com.br and www.realmedia.com.br
 
In the begining, there was a Windows 2000 machine answering for these hosts. Today I have ( finaly ) a Linux RH 7.3 Box :)
 
The problem is: I can't use Apache in the Linux box as web server because of some .asp applications we have here. So, I did a routing from the linux box to the Windows 2000 box, answering for my internal B IP's: 192.168.0.1 is the linux box. www.realad.com.br has 192.168.0.2 as IP in IIS and www.realmedia.com.br has 192.168.0.5 as ip in IIS.
 
I did the following to route packages that comes from internet to port 80 in the Linux box to port 80 in the internal W2K box:
 
iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 80 -j DNAT --to-destination 192.168.0.2:80
 
and, for internal routing:
 
iptables -t nat -A PREROUTING -p tcp -d 200.189.73.130 --dport 80 -j DNAT --to 192.168.0.2:80
 
www.realad.com.br and www.realmedia.com.br have different contents. My problem is... How I can route packages that come to www.realad.com.br to 192.168.0.2 and www.realmedia.com.br to 192.168.0.5. Just remembering, 192.168.0.2 and 192.168.0.5 are IP from the same IIS machine.
 
 
Can anybody help me ???
 
Thanks a lot
 

Diogo Carlos Fernandes
Technical Support Manager

Real Media Latin America 
www.realmedia.com

Phone .: 55+11+3842-2166
Mobile .: 55+11+9266-5325
e-mail .: dfernandes@xxxxxxxxxxxxx

 

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