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Re: how secure are sendmail and POP3 on Red Hat?

daemon@ATHENA.MIT.EDU (Chuck Mead)
Fri Nov 20 12:34:02 1998

Date: Fri, 20 Nov 1998 12:29:08 -0500 (EST)
From: Chuck Mead <chuck@moongroup.com>
To: redhat-list@redhat.com
In-Reply-To: <862566C2.00557B05.00@domino.prominic.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

On Fri, 20 Nov 1998, Justin Kuntz wrote:
> I am wondering: is it fairly safe to open only the SMTP port to sendmail
> running on Linux?  I thought a while ago this was considered a big security
> hole.  

To date there aren't any compromises that I'm aware of with sendmail
8.9.1.  I subscribe to CERT and I haven't seen any reports come
through there.  I use it on my box (the source of this email) and
have had no problems what ever.



> What about POP3?  Are there "safer" versions of these services that
> are in wide use on Linux? 

The imap rpm seems to be solid.  The previous version suffered from a
buffer overflow exploit which was fixed in the current release and
I've not heard any negative reports at all.  I use it.  (Note:  the
imap rpm aldo contains the standard pop daemons for Linux).

> The functionality we seek is fairly simple
> compared to all of the features of sendmail, which as everyone knows is a
> vast MTA package.
> 
> Thank you,
> 
> Justin
> 
> 
> 
> -- 
>   PLEASE read the Red Hat FAQ, Tips, Errata and the MAILING LIST ARCHIVES!
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Cheers!
--                         
Chuck Mead, CEO - Moongroup Consulting, Inc. <chuck@moongroup.com>
http://www.moongroup.com/
http://www.moongroup.com/unix/

There's no such thing as a free lunch.
                -- Milton Friendman



-- 
  PLEASE read the Red Hat FAQ, Tips, Errata and the MAILING LIST ARCHIVES!
		http://www.redhat.com http://archive.redhat.com
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