4 Sep
2003
4 Sep
'03
12:51 p.m.
Source address-based filtering in the backbone is expensive and, in many cases, non-feasible. Owen --On Thursday, September 4, 2003 10:30 AM -0500 Jack Bates <jbates@brightok.net> wrote:
Christopher L. Morrow wrote:
At the edge, very near the originating host there is no reason not to filter these, if you find the sources you might consider asking them why they didn't filter these for you...
And what is the reason to not filter these in the backbone? Full spoof protection at some levels is near impossible. However, bogon filtering is not.
-Jack