North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: TCP/BGP vulnerability - easier than you think

  • From: E.B. Dreger
  • Date: Wed Apr 21 06:58:30 2004 
ASR> Date: Wed, 21 Apr 2004 06:44:14 -0400
ASR> From: Adam Rothschild


ASR> [T]he TTL hack sounds great on paper, but isn't exactly easy
ASR> to implement when you consider that vendor J and others
ASR> can't filter based upon TTL... yet.

This is more appropriate for cisco-nsp, where it's already been
covered, but the TTL 255 hack was introduced in 12.0(22)S and
12.3(7)T if memory serves me.  Pretty sparse pickings, but I
guess it's a start.


Eddy
--
EverQuick Internet - http://www.everquick.net/
A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/
Bandwidth, consulting, e-commerce, hosting, and network building
Phone: +1 785 865 5885 Lawrence and [inter]national
Phone: +1 316 794 8922 Wichita
_________________________________________________________________
          DO NOT send mail to the following addresses :
  [email protected] -or- [email protected] -or- [email protected]
Sending mail to spambait addresses is a great way to get blocked.