Re: Circumventing quarantine control in Windows 2003 and ISA 2004

[3APA3A <3APA3A@xxxxxxxxxxxxxxxx>]

Dear Memet Anwar,

MA>  The problem is due to how the requirements are
MA> validated, it is trivial for users to trick RRAS/ISA into believing that the
MA> client's system are always aligned with the requirements, regardless the
MA> actual condition.

If  you  have local administrator level access to the box you can bypass
any  "internal" checks for this box. You can bypass any Domain policies.
You can do everything.

Quarantine  Control  was  not designed to protect against attack of this
kind. It's a tool to check policy matching, not to protect

http://www.microsoft.com/technet/prodtechnol/isa/2004/plan/vpnroamingquarantine.mspx

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Although Quarantine Control does not protect against attackers,
computer  configurations  for  authorized  users can be verified and, if
necessary, corrected before they can access the network.

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