> That is correct. My understanding is that Cisco Pix 505 can't do the port > forwarding so that is the reason why I was looking on doing this. If the only option you have is to open port 81 on the fw and send it to port 81 on the same 10.5.36.5, you have to to configure iptable on 10.5.36.5 to forward what arrives on port 81 to port 80 on 10.5.36.6. That's really the only solution I can think about Regards, Gaëk