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North American Network Operators Group

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Re: Network Operators and smurf

  • From: Dean Anderson
  • Date: Fri Apr 24 19:25:34 1998

>Well, there is a simple knob for this:
>
>If the Knob is turned "ON", then any packet from a source address which is
>not routed to the interface it came in on is dropped.
>
>This works for static, dynamic, and all other kinds of routing.    It will
>solve the problem and is trivial to implement - if any of the vendors care.

Doesn't work for asymetric networks, like satellites. But I agree, it might
be a good knob for the 80% solution.  The rest of the problems must still
rely on access lists.

		--Dean


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           Plain Aviation, Inc                  dean@av8.com
           LAN/WAN/UNIX/NT/TCPIP/DCE      http://www.av8.com
           We Make IT Fly!                (617)242-3091 x246
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