North American Network Operators Group

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re: rfc1918 ignorant

  • From: variable
  • Date: Wed Jul 23 09:21:50 2003

On Wed, 23 Jul 2003, Dave Temkin wrote:

> Is this really an issue?  So long as they're not advertising the space I
> see no issue with routing traffic through a 10. network as transit.  If
> you have no reason to reach their router directly (and after Cisco's last
> exploit, I'd think no one would want anyone to reach their router directly
> :-) ), what's the harm done?

If Frank's seeing the IP in his traceroute then the network concerned 
isn't properly filtering traffic leaving their borders as per BCP38:

http://www.faqs.org/rfcs/bcp/bcp38.html
 
Rich