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Date:      Sun, 12 Jul 1998 20:50:26 -0700
From:      Ludwig Pummer <ludwigp@bigfoot.com>
To:        "Hallam Oaks P/L list account" <maillist@oaks.com.au>, "sthaug@nethelp.no" <sthaug@nethelp.no>
Cc:        "freebsd-security@FreeBSD.ORG" <freebsd-security@FreeBSD.ORG>
Subject:   Re: DNS zone xfers from random(?) sites
Message-ID:  <3.0.3.32.19980712205026.0077b070@mail.plstn1.sfba.home.com>
In-Reply-To: <199807130205.MAA22491@mail.aussie.org>

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At 12:05 PM 7/13/98 +1000, Hallam Oaks P/L list account wrote:
>ipfw: 4110 Deny TCP 137.166.79.129:1878 139.130.xx.xxx:143 in via tun0
>ipfw: 4110 Deny TCP 137.166.79.129:1878 139.130.xx.xxx:143 in via tun0
>ipfw: 4110 Deny TCP 137.166.79.129:1904 139.130.xx.xxx:110 in via tun0
>ipfw: 4110 Deny TCP 137.166.79.129:1904 139.130.xx.xxx:110 in via tun0
>
>Exactly two of each. The total time between the first and last was no more 
>than 40 seconds. Possibly generated by a program of some sort. No person 
>outside our site has the authority to access our POP3, IMAP, or TELNET 
>services.
>
>Does this pattern of port accesses seem familiar to anyone ?
Yup. I've got them in my log going back to early April. I'm only logging
and denying POP3 and IMAP, though. And my port checks are separated by 3
seconds.

--Ludwig Pummer
ludwigp@bigfoot.com
ICQ UIN: 692441   http://chipweb.home.ml.org

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