I have a bm 3.7 server as my firewall and use this as a proxy and
reverse
proxy and have 3 nics one for private, one for public and one for a
dmz.

I want uses both internally from the LAN and externally via the
internet to
connect to internal services and also external services but the
external
services work on IP authentication so both internal users and external
users
must access these external services from my BM server as this has the
IP
address for the authentication.

How is this possible please. Internal users are fine but how do i
make the
internet users come into my network and access external services ?

Thanks
Gary