I'm trying to set up a BM3.7 VPN master on the private side of a DSL
router.
I understand that the VPN master should not sit behind a NAT device
but I
have heard that if I place appropriate pinholes in the DSL modem then
I
might be able to get the VPN to work. Has anyone done this and if so
what
pinholes do I need to make?

cheers and thanks
Tom