Re: Blocking w32.blaster.worm?
- From: "Jim Harrison" <jim@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 12 Aug 2003 07:26:03 -0700
This is the best description I've seen so far.
http://www.eeye.com/html/Research/Advisories/AL20030811.html
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://www.microsoft.com/isaserver
http://isaserver.org/Jim_Harrison
http://isatools.org
Read the help, books and articles!
----- Original Message -----
From: "Matthew Bunce" <isa.mailinglist@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, August 12, 2003 06:10
Subject: [isalist] Blocking w32.blaster.worm?
http://www.ISAserver.org
I have done all I can to secure my internal network, patching everything
that even looks like a computer (believe me the toaster did not like
having a CD with the patch on it inserted!)
VPN has been suspended until futher notice while we make sure that all our
partners are secured and patched and all laptops are being checked in a
sandbox enviroment until we are sure they are clean.
What ports on our external ISA can I block to stop incoming/outgoing
activity by this worm if for any reason we have an infection? Will failed
connections to RPC on the ISA cause any DoS? Is there anything I can do to
limit the damage of an infection coming in via VPN? Are there port filters
I can apply to VPN traffic?
Many thanks.
Matthew Bunce
Kluster (UK) Limited
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