North American Network Operators Group
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RE: Interesting new spam technique - getting a lot more popular.

  • From: Christopher L. Morrow
  • Date: Wed Jun 14 15:40:34 2006 
On Wed, 14 Jun 2006, Church, Chuck wrote:

>
> Since this technique requires a IPinIP or GRE tunnel, wouldn't blocking
> these two protocols to/from the hosts be sufficient?  Assuming of course
> the customer's host isn't using that normally.

sure, but those are probably just convenience things, what happens when
they setup an ssl tunnel? or http tunnel or ping tunnel?