Re: Cisco VPN through ISA

From: "David Elmquist \( Subcore \)" <david@xxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Date: Thu, 17 Jan 2002 15:40:23 +0100

[isalist] SBS 2000 + ISA serverHi again

Just did another one in a production environment. On this, I didn`t enable PPTP
though ISA and i still works. 
I noticed, that IP protocl 50 traffic is now being logged in the IP log, which 
is
definently new to SP1.

 David Elmquist
  ----- Original Message ----- 
  From: David Elmquist 
  To: [ISAserver.org Discussion List] 
  Sent: Thursday, January 17, 2002 2:46 PM
  Subject: [isalist] Cisco VPN through ISA


  http://www.ISAserver.org


  Hi

  Considering the amount of post regarding VPN through ISA, I thought
  that I would share my recent experience with the subject.

  I needed to configure an ESP tunnel from an outside router, to another
  router situated on a ISA DMZ. I configured standard packetfilters for UDP500
  en IP protocol type 50. This didn`t work. What actually DID work, was enabling
  PPTP though ISA server ! I always thought PPTP was type 47 ?
  The tunnels went up and everything was fine. I should mention that ISA was 
patched
  to SP1, even though the release notes does not mention this issue.

  Regards,

  David Elmquist

    ----- Original Message ----- 
    From: Nick Dixon 
    To: [ISAserver.org Discussion List] 
    Sent: Thursday, January 17, 2002 1:52 PM
    Subject: [isalist] SBS 2000 + ISA server


    http://www.ISAserver.org


    Hi, being new to the world of ISA i may be missing something obvious here.
    I have two sites both with SBS 2000 installed, using all of the nice
    wizards provided by MS.  Both networks are very simple, using a UK2net
    ISDN dial up account and an internal ISDN TA.  Both systems have two
    matching 10\100 network cards, one connected, one spare for when (??) ADSL
    is available.

    Each server reports Unable to bind dial up packet filter, with the error
    14121.

    Any initial ideas, more info can be given.

    Cheers

    Nick

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Re: Cisco VPN through ISA

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