From: Volker Tanger (vtlists@wyae.de)
Date: Thu Aug 18 2005 - 17:55:47 EDT
Greetings!
On Thu, 18 Aug 2005 13:00:50 +0100
Dan Rogers <pentestguy@gmail.com> wrote:
> I'm currently reviewing a Check point/Nokia box and a Secure Platform
> manager. The settings in Voyager are all good, and likewise the Web
> GUI of the SPLAT manager is fine, they're both patched and the policy
> is also clean - but I want to ensure the o/s themselves are ok.
I assume you already checked the rulebase e.g. for SSH-Allow from
outside and VPN- or SecureClient rules, did you?
Unless you have the possibility to check that all binaries (esp. SSH and
other listening servers) are 100% genuine there is no way to ensure
that. IPSO and SPLAT are just plain BSD and Linux after all, so creating
custom binaries is not that much of a problem.
> I am concerned that a previous administrator may have left himself
> access by the back-door somehow - but am not in a position to rebuild
> them to be sure. What else would you lot check for?
Are you *concerned* or do you have no reason to worry and just do "a
proper handover". If you have reason to torry, you really should do a
reinstall and do a thorough audit of the ruleset.
If management does not allow that, let them give you that order in
writing ("We have received your warning of DATE about a possible
compromise of the firewall system(s) by the former administrator NAME,
but decided against your proposal...") to cover your butt.
Bye
Volker
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