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North American Network Operators Group

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Re: no ip forged-source-address

  • From: Petri Helenius
  • Date: Wed Oct 30 17:08:34 2002

> decides to attack, it would use some neighbor's IP.  The subnet I am on is
> a /24 and there very well may be a few dozen hosts.  I could be real
> sneaky and alter my IP randomly to be any of my neighbors for every packet
> I send out.
> 
This gets a lot sneakier when you got your /64 on the subnet. Specially 
if people start to build significantly larger subnets by default.

Pete






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