have you disabled ident on the imap processes?  that can cause security
alerts even though it is not considered an attack

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
Jason Haar
Sent: Thursday, April 29, 2004 5:40 PM
To: [EMAIL PROTECTED]
Subject: Re: [Qmail-scanner-general]Port Scan Attack


On Thu, Apr 29, 2004 at 02:06:43PM -0700, Lloyd Albin wrote:
> Hello,
>
> Since I upgraded our email server to qmail-scanner-1.21st (from 1.16)
> and courier-imap-3.0.3 (from 2.2.1) we have been seeing Port Scan
> Attack's hit client computers which are running McAfee Internet Security
> Suite 6 and behind a Netgear Firewall.

Sorry - you're a bit vague there. Are you saying you are seeing port scans
originating from your Qmail-Scanner server? If so, then either the box is
compromised, or your firewall/IDS is misidentifying attacks

Not really much to do with Qmail-Scanner....

--
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1


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