On 5-Mar-2007, at 05:53, Stephane Bortzmeyer wrote:

  It's not excessive to repeat that, although recommended
  configurations described in this document could alleviate the
  problem, the only solution to source address spoofing problems is
  the wide-scale deployment of Ingress Filtering to prevent use of
  spoofed IP addresses [BCP38], [BCP84].

Not only it *is* excessive (four mentions in a small I-D) but it is
not true since there is no notice in the I-D that BCP-38 does not
prevent intra-provider spoofing.

If it doesn't, then the problem is the definition of a provider's border, not in BCP 38.


Joe



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