IP spoofing and spamming

Hank Nussbacher hank at ibm.net.il
Wed Oct 29 01:44:56 UTC 1997

At 05:30 PM 10/28/97 -0800, J.D. Falk wrote:

>	Are you under any contractural obligation to transit that IP 
>	address?  The user in question seems to think you are, but you
>	should check that as well; most contracts that I've seen do
>	not mention multihoming specificially, and this could be the
>	perfect loophole for you to use while you give him the 30 days
>	notice or whatever it takes to disconnect him completely.

Lawyers have a funny way of reading contracts.  Some read them that anything
not spelled out is allowed, whereas others read them that anything not
spelled is not allowed.  I guess ISPs on NANOG should be aware of this new
spam/ip-spoofing method when writing contracts with their clients.


>J.D. Falk                         voice: +1-650-482-2840 	
>Supervisor, Network Operations      fax: +1-650-482-2844
>PRIORI NETWORKS, INC.              http://www.priori.net
>"The People You Know.  The People You Trust."

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