I am running asterisk server and wish to use external extentions. I need to forward a range of ports. I have a 3com wireless router which does not allow me to forward ranges (it only allows me to forward specific ports). The only way i can get my server to work is by making it DMZ which is very insecure.
Somewhere collecting dust, I have a Watchguard Firebox SOHO 6. I would like to connect this to my 3com router (making the watchguard DMZ on the 3com settings) then connecting just my servers to the watchguard which can handle the port forwarding (ie. my watchguard is being used as a firewall). In the watchguards settings I can set the 3com to be used as the default gateway so the server can access the internet. My question is how do I set up IP routing and wot IP addresses do I use on the network if I want my lan which my workstations are on (ie. connected directly to the 3com) so they are able to access the servers?
I am new to IP routing so any help would be appreciated.