Great Circle Associates Majordomo-Users
(December 2000)
 

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Subject: Re: Stop Virus Attacks
From: Todd Lyons <todd @ mrball . net>
Date: Fri, 29 Dec 2000 21:30:15 -0800
To: Ken Kramer <majorhost @ p-trader . net>
Cc: Majordomo-users @ GreatCircle . COM
References: <041e01c0720a$6b15bcc0$0201a8c0@pacbell.net>

> Ken Kramer wrote:
> 
> How do I stop message from coming through MajorDomo from people that are
> not registered on the list.  The program is setup for list members only,

Here's how they got in:

> Delivered-To: mars-ptrade-usa-list@phoebe.hosting4u.net

If they were to deliver to mars-ptrade-usa, majordomo would stop it. 
However, they are sending it to the alias that all it does is
:include:/path/to/listname.  No checking is done.  This is a classic example
of a good reason for using ,nobody to hide the internal distribution name
and an impetus to change it from *-list.

This sexyfun most target mailing lists.  A mailing list that I'm associated
with gets it daily as well, but I've at least got it so that it bounces
instead of leaking through.

Blue skies...		Todd
-- 
Most traditional Pee-Cee user groups, I've noticed, function mainly as
commiseration societies for people who've bought lousy hardware, are
struggling and wasting time trying to deal with it, and want to exchange
coping-strategy tips with others in the same boat.  --  Rick Moen



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