I am tryning to setup PAT (Port Adres Translation) on a Telkom/Marconi ADSL modem.
The modem is setup to with LAN and not PPPoE. This means that I have to setup all the PC's to use the Modem as a Gateway. Now I want to allow SSH traffic directed from the Internet to the ADSL modem to one of the internal IP's on Port 22(SSH Port).
If I add the following it does not work...
Interface: Lan, Port: 22, Description: SSH, Dest IP: 192.168.x.x, Port: 22
Where x.x = my Linux Box Internal IP.
I spoke to the Telkom Technical (not so helpfull) Help Desk and they do not know Linux nor NAT / PAT. So I thought This was usefull (not)! The Marconi Help desk said that the modem does not support SSH, any other port but not SSH (Duh!) Don't think that PAT would exclude this vital port
Have anybody tried this and got it working ???
I know people that have this working by Using PPPoE and then the linux box have the external ip for the PPP interface, but how do I get them Modem to do that. I do not want the PC's to handle the DSL connection but the Modem ??