basic VPN question (I think)

Archived from groups: comp.dcom.vpn (More info?)

Hi,

For months I have been able to VPN into our domain at work from home.
However, we have auditors come into our place work every once in a
while, and they haven't been able to VPN to their network from our
network. It works fine if they just use a regular modem connection.
I'm thinking that it's our ISA firewall that's not allowing it? They
don't log into our domain when they connect to our network. So they
can get high speed internet access, but they don't have any
privelidges.

They said they sometimes need a proxy number. I don't know if it's as
easy as that, but I confess, I don't know what number they're asking
for.

Does anybody have any ideas?

Thanks