VPN and ADSL

  • From: isaserver@xxxxxxxxxxxxx
  • To: isalist@xxxxxxxxxxxxx
  • Date: Mon, 15 Oct 2001 11:18:19 -0600

Hello all,

I'm new to the list so if my question has already been discussed here I'm
sorry, but here goes my question...

I've got an ISA Server with 2 NICs: one internal (192.168.0.1/24) and one
external (10.0.0.150/24) connected to my ADSL modem (10.0.0.138/24). To
dialin into my ISP it setup a VPN (PPTP) to my ISP.

Now my problem, if I install ISA Server I can't connect to my ADSL modem
and it won't connect to my ISP, because ISA blocks all IP traffic. So if I
open the PPTP ports to pass through, I can connect to my ISP. But then it
allows all traffic come thru!!! Including those of the Internet without a
prober filter!

I'm probably doing something really wrong, but can someone help me? Or
does anyone has the same setup?

Thanks in advance,
Alain


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