Re: [fw-wiz] AIM
From: Paul D. Robertson (proberts@patriot.net)
Date: 10/01/02
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From: "Paul D. Robertson" <proberts@patriot.net> To: Christopher Hicks <chicks@chicks.net> Date: Tue Oct 1 09:24:01 2002
On Tue, 1 Oct 2002, Christopher Hicks wrote:
> Blocking AIM is tough. It tries every port it can including things that
> are surely 'ok' for most firewalls like 80 110. Since you can't do it via
> port-blocking they've probably blocked the ip blocks for the AIM servers.
That's not all that tough, the destinations haven't moved in quite a
while, you can also block the two protocols, even tunneled if you wanted
to do more work.
> instead of homework.) The only way around the ISP's firewall is to get
> somebody to tunnel your traffic. That'll require some sort of VPN between
> your box and somebox outside your ISP. That would solve your other
> problem as well.
People suggesting work arounds should also note that if working around a
firewall is against policy, it could be cause for serious trouble,
from administrative to *criminal* charges[1] depending on the
jurisdiction, laws, intent, method and protocol. Someone has instituted a
policy for a reason, and exceptions to, or questions about the policy
should go back through the appropriate channels. Since firewalls are part
of the instantiation of the policy, purposefully going around them
(especially coupled with public mailing list posts asking how) proves
intent quite nicely.
> What sort of ISP blocks AIM anyway? Switch or get DSL or something.
As Jim pointed out, almost obviously a school does- "The firewall ate my
homework!"
Paul
-----------------------------------------------------------------------------
Paul D. Robertson "My statements in this message are personal opinions
proberts@patriot.net which may have no basis whatsoever in fact."
probertson@trusecure.com Director of Risk Assessment TruSecure Corporation
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