RE: Botnets, IRC servers and firewalls?

["Marcus J. Ranum" <mjr () ranum com>]

Matt Bazan wrote:
> All right already!  I'll put egress filters in place.  Sheesh.

Hey, it's OK if you don't believe us at first. Put the filters in
and tell 'em "permit and log" then look at your logs. Once
you recover, you'll understand. :)

Just the amount of spyware that infests most organizations
is enough to terrify anyone. If you take your web proxy's
outgoing URL calls and map 'em against the more popular
spywares, you'll be a convert.

mjr.


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