Re: [nsp] Forwarding packets with source address of 127.x

From: Tim Wolfe (tim@clipper.net)
Date: Thu Jan 06 2000 - 15:34:04 EST


On Thu, 6 Jan 2000, Sean Butler wrote:

> According to RFC 1812, section 5.3.7, a router should not forward packets
> with a source address in 127.x.y.z... However, several DOS style attacks
> seem
> to show this happening.
>
> Has Cisco in the past said they would not follow the RFC here, or is it a
> bug?

Are you sure it isn't one of those pieces of cra^H^HBa^H^HNortel Networks
routers that's forwarding those packets? ;)

I speak only for myself and my dog.

-- Tim

--------------------------------------------------
* Timothy M. Wolfe, Chief Network Engineer *
* ClipperNet Corporation / It's a wireless world *
* tim@clipper.net 800.338.2629 x 402 *
* Sufficient for today = Inadequate for tomorrow *
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