North American Network Operators Group
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RE: IOS Rookit: the sky isn't falling (yet)

  • From: michael.dillon
  • Date: Tue May 27 14:48:03 2008 
> Like MD5 File Validation? - "MD5 values are now made 
> available on Cisco.com for all Cisco IOS software images for 
> comparison against local system image values."

I would expect a real exploit to try to match Cisco's
MD5 hashes. By all means, check those hashes after you download
them but I would suggest calculating a hash using an alternate
algorithm for later checking.

--Michael Dillon