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List: snort-users
Subject: Re: [Snort-users] HP Jetdirect Printers and portscans
From: Joe McAlerney <joey () SiliconDefense ! com>
Date: 2001-06-29 17:12:03
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Hello Paul,
You could add them to the portscan-ignorehosts list, or raise your
threshold a bit. 10 connections in 20 seconds seems a bit low. It
seems web browsing to pages with 10 or more banner adds would set that
off as well.
-Joe M.
--
| Joe McAlerney joey@silicondefense.com |
| Silicon Defense - Technical Support for Snort |
| http://www.silicondefense.com/ |
+-- --+
Paul Asadoorian wrote:
>
> I am logging all my HP JetDirect printers (we have many, like 100's) in
> the portscan module:
>
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3649 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3650 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3651 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3652 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3653 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3654 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3655 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3656 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3657 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3658 UDP
> Jun 29 11:29:17 MY.NET.51.32:161 -> MY.NET.19.248:3659 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3660 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3661 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3662 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3663 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3665 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3666 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3667 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3668 UDP
> Jun 29 11:29:18 MY.NET.51.32:161 -> MY.NET.19.248:3670 UDP
> Jun 29 11:29:27 MY.NET.51.32:161 -> MY.NET.19.248:3720 UDP
>
> My portscan settings are as follows:
>
> preprocessor portscan: $HOME_NET 10 20 portscan.log
>
> Any help is greatly appreciated...
>
> BTW: MY.NET.51.32 is a Jet Direct Print Server and MY.NET.19.248 is a
> Novell Server
>
> --
> Paul Asadoorian, GCIA
>
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