[63806] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: New mail blocks result of Ralsky's latest attacks?

daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Fri Oct 10 11:33:15 2003

Date: Fri, 10 Oct 2003 20:57:06 +0530
From: Suresh Ramasubramanian <suresh@outblaze.com>
To: Brian Bruns <bruns@2mbit.com>
Cc: Bob German <bobgerman@irides.com>, nanog@merit.edu
In-Reply-To: <007401c38f40$f9818600$cf90b93f@2mbit.com>
Errors-To: owner-nanog-outgoing@merit.edu


Brian Bruns writes on 10/10/2003 8:42 PM:

> Tis one of the reasons why I've disabled SMTP AUTH on all of my servers 
> for now.  I've known about this for a few weeks now.  Its not 
> surprising.  Most of the servers cracked are Exchange servers (probably 
> thanks to weak passwords), but I still don't feel like taking a chance.

Exchange (and MDaemon) seem to be targeted extensively - they have 
admin:admin and guest:guest type default accounts that, if they aren't 
locked down, can be used to AUTH and send out mail.

-- 
srs (postmaster|suresh)@outblaze.com // gpg : EDEDEFB9
manager, outblaze.com security and antispam operations


home help back first fref pref prev next nref lref last post