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Date:      Thu, 15 Nov 2001 18:15:37 -0900
From:      Greg Wirth <greg@beldamar.com>
To:        security@FreeBSD.ORG
Subject:   Re[2]: unusual  log in var/log/messages
Message-ID:  <12126694534.20011115181537@rapidfx.com>
In-Reply-To: <20011116020109.S18296-100000@mail.tietoverkot.net>
References:  <20011116020109.S18296-100000@mail.tietoverkot.net>

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Hello... 
I also see these from time to time, and have never pinned down
exactly what it means. I've never found any damage or abuse
during or after these messages. I would really like to know.
The times always match, and happen at random times.
Versions don't seem to matter, as it has happened since 3.3

Nov 12 06:18:41 aix /kernel: arp: 24.237.82.161 moved from
 00:40:c7:81:22:04 to 00:04:ac:1a:4e:e7 on dc0
Nov 12 06:18:41 aix /kernel: arp: 24.237.82.161 moved from
 00:04:ac:1a:4e:e7 to 00:40:c7:81:22:04 on dc0

Thursday, November 15, 2001, 3:03:01 PM, you wrote:
LM> On Thu, 15 Nov 2001, Sven Wittig wrote:
>> I recently discovered this entry in my messages-logfile
>> " Nov 14 15:10:44 leo2 /kernel: arp: 137.226.141.33 moved from
>> 00:40:33:39:80:d1 to 00:50:bf:7e:6e:70 on de0"
>> is this a kind of attack or what?
>>       Sven Wittig

LM> I have same logs now and then and i guess it comes from
LM> multiple interfaces with diffrent ips on same switch
LM> i guess i am not sure but this cheapo switch i bought sumhow forgets
LM> things and it comes from there.
LM> never happened b4 when it was sitting in catalyst.
LM> must be something to do with switches. :)




LM> .....................................................................
LM>     Len Merikanto
LM>     MMI Tietoverkot Oy
LM>     Munkkisaarenkatu 2, 4. krs.
LM>     FIN - 00150 Helsinki


- --
Greg S. Wirth


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