what's that smell?

Tue Oct 8 15:00:38 UTC 2002

On Tue, 8 Oct 2002, Joe Abley wrote:

> >> What is difficult about dropping packets sourced from RFC1918
> >> addresses before they leave your network?

> > But what's the point?

> Politeness, I guess. Seems rude to send traffic to peers when you
> absolutely know that the source address is inaccurate.

Politeness is good, truthfulness is usually better. If a peer isn't
properly filtering, I'd rather find out sooner (some RFC 1918 packets)
than later (DoS attack).

> > That's like complaining that the door isn't locked while the house has
> > no walls.

> Right. The no walls problem is far more usefully tackled by filtering
> inbound at the edge, not outbound.

No complaints from me if that is what people do.