North American Network Operators Group
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Re: Blocking port udp/tcp 1433/1434

  • From: Hank Nussbacher
  • Date: Wed May 11 17:22:07 2005 
On Wed, 11 May 2005, Jeff Kell wrote:

> The SANS ISC currently gives an "Internet Survival Time" of 24 minutes
> for an unpatched windows box.  I would give an unpatched Windows server
> with an old copy of MSSQL a considerably shorter lifespan :-)

See:
http://www.bbcworld.com/content/clickonline_archive_14_2005.asp?pageid=665&co_pageid=3
Took 8 seconds for an unprotected PC to get infected.   I would give the
IST at under 1min from my personal experience - plus my firewall records 2
hits on port 445 every minute from external infected systems.

-Hank