RE: ISA VPN behind PIX

  • From: "William Robertson" <william.robertson@xxxxxxxxx>
  • To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 24 Mar 2003 16:33:51 +0200

Hi Jens

Thanks very much for your help. I didn't use your exact code as I do not
have a Gateway-to-Gateway VPN, but I did do the following:

access-list outside_interface permit gre any host <isa-server>

Do you know of any security risks that I may be running by doing this?

Cheers
William R.




-----Original Message-----
From: Jens von Bülow [mailto:jens@xxxxxxxxx] 
Sent: 24 March 2003 15:49 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA VPN behind PIX

http://www.ISAserver.org


William,

By default ISA tries to establish a PPTP VPN connection

Try the following on your pix

        access-list outside_access_in permit gre host <isa-server-1>
host <isa-server-2>

Regards
Jens


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