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North American Network Operators Group

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Re: Who does source address validation? (was Re: what's that smell?)

  • From: alex
  • Date: Wed Oct 09 21:10:08 2002

> >>>would be interesting to hear details.
> 
> >>    Loss of ICMP packets generated by links with endpoints numbered in
> >>RFC1918
> >>space. Holes in traceroutes, broken PMTU detection.
> 
> >Why do those links have endpoints in RFC1918 space to begin with?
> >
> >Alex
> 
> 	Because some administrators are ignorant, clueless, or malicious. We don't
> all have the luxury of saying, "It doesn't work on our network and it does on
> our competitor's, and we could fix it if we wanted to at no significant harm
> to us, but we won't because we are in the right."

In that case you should not complain about 1918 space being used for say..
attacking you either. After all, it does work on the network of your
competitors.

ALex





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