From owner-freebsd-security@FreeBSD.ORG  Sun Jan 18 05:56:33 2004
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Date: Sun, 18 Jan 2004 15:56:21 +0200 (EET)
From: Dan Airinen <dan.airinen@cyberdoom.org>
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To: Spades <spades@galaxynet.org>
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cc: freebsd-security@freebsd.org
Subject: Re: arp problem in /var/log/messages
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Hi,

you might want to check that you dont have a two machines/devices in your
network sharing the same IP-address.

Of course there is a possibility of some one doing sniffing in your
network.

On Sun, 18 Jan 2004, Spades wrote:

> hi all, i got flooded by these msgs like 1000+ lines, any idea?
> my kernel is dated Nov-30 FreeBSD 4.9-stable
>
> # tail -f /var/log/messages
> Jan 18 19:43:23 xb /kernel: arp: 202.79.180.1 moved from 00:04:5a:49:eb:74
> to 00:50:0f:4f:c0:00 on rl0
> Jan 18 19:45:06 xb /kernel: arp: 202.79.180.1 moved from 00:50:0f:4f:c0:00
> to 00:04:5a:49:eb:74 on rl0
> Jan 18 19:45:18 xb /kernel: arp: 202.79.180.1 moved from 00:04:5a:49:eb:74
> to 00:50:0f:4f:c0:00 on rl0
> Jan 18 19:45:41 xb /kernel: arp: 202.79.180.1 moved from 00:50:0f:4f:c0:00
> to 00:04:5a:49:eb:74 on rl0
> Jan 18 19:45:45 xb /kernel: arp: 202.79.180.1 moved from 00:04:5a:49:eb:74
> to 00:50:0f:4f:c0:00 on rl0
>
> thanks and regards,
>
> John
>
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