Great Circle Associates Majordomo-Users
(December 1997)
 

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Subject: Re: Majordomo Obsolete?
From: Teresa Downey <Teresa . Downey @ SLAC . Stanford . EDU>
Date: Mon, 08 Dec 1997 11:36:17 -0800 (Pacific Standard Time)
To: Mats Dufberg <Mats . Dufberg @ abc . se>
Cc: Majordomo Users <majordomo-users @ GreatCircle . COM>, Martin McGreal <mcgreal @ auidea . org>
In-reply-to: <199712042032.VAA06751@bar.pilsnet.sunet.se>

This seems pretty weak security. I'm very surprised Brent Chapman 
would leave such a wide-open hole to be able to get around the 
'restrict_post' specifications.  Is this going to be fixed in next 
version?  BTW, when might the next version come out???

I cannot turn off EXPN here since that would cause us to lose 
potential forgery alerts for ALL email.

Is this actually the only way to secure a list from being posted to 
by unauthorized people?

Thanks!

On Thu, 04 Dec 1997 21:29:29 +0100 Mats Dufberg <Mats.Dufberg@abc.se> 
wrote:

> On Thu, 4 Dec 1997 14:27:36 -0500, Martin McGreal wrote:
> 
> >Maybe I'm just set up improperly, but what's the purpose in having 
> >a moderated list if someone can simply send to the alias that 
> >indicates the *actual* list of recipients? 
> 
> Well, you CAN prevent that. If you rename the alias to the actual
> list
>    test-outgoing: :include:/path/test
> to someting non-obvious, e.g.
>    test-wioc: :include:/path/test
> and turn off EXPN in the SMTP server, it is hard to get around
> for outsider.
> 
> 
> 
> 
> 
> 
> 
> ------------------------------------------------------
> Mats Dufberg                       mats.dufberg@abc.se
> 
> 
> 

----------------------
Teresa Downey <Teresa.Downey@SLAC.Stanford.Edu>
SCS Networking, Stanford Linear Accelerator Center
Phone: 650-926-2903 ----- Fax: 650-926-3329




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