North American Network Operators Group

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Re: What were we saying about edge filtering?

  • From: Owen DeLong
  • Date: Thu Sep 04 12:56:32 2003


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 <[email protected]> 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