From owner-freebsd-security Thu Jul 18 10:53:12 2002 Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 541A437B400 for ; Thu, 18 Jul 2002 10:53:06 -0700 (PDT) Received: from 119.216-123-194-0.interbaun.com (118.216-123-194-0.interbaun.com [216.123.194.118]) by mx1.FreeBSD.org (Postfix) with SMTP id 4178343E58 for ; Thu, 18 Jul 2002 10:53:00 -0700 (PDT) (envelope-from j.laurenson@epicmail.ca) Received: (qmail 27931 invoked from network); 18 Jul 2002 17:57:10 -0000 Received: from unknown (HELO epicjim) (216.123.194.122) by 10.0.1.2 with SMTP; 18 Jul 2002 17:57:10 -0000 From: "Jim Laurenson" To: "Craig Miller" , "freebsd-security" Subject: RE: wierdness in my security report Date: Thu, 18 Jul 2002 11:53:58 -0600 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0036_01C22E51.CCC61F00" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: <006301c22e83$2b3d5b30$fe01a8c0@Desktop> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org This is a multi-part message in MIME format. ------=_NextPart_000_0036_01C22E51.CCC61F00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit I have found the same logs on one of my older builds (4.3 I think). The offending MAC address was found to be a Cisco router on my ISP's network. I found no solution for it though. Jim Laurenson -----Original Message----- From: owner-freebsd-security@FreeBSD.ORG [mailto:owner-freebsd-security@FreeBSD.ORG]On Behalf Of Craig Miller Sent: July 18, 2002 11:47 AM To: freebsd-security Subject: wierdness in my security report Anyone have any ideas as to what might be causing the following to appear in my security report? arp: 12.236.220.1 moved from 00:b0:64:b7:6f:54 to 00:b0:64:b7:6f:a8 on dc0 > Jul 17 05:47:56 server /kernel: arp: 12.236.220.1 moved from 00:b0:64:b7:6f:54 to 00:b0:64:b7:6f:a8 on dc0 > arp: 12.236.220.1 moved from 00:b0:64:b7:6f:a8 to 00:b0:64:b7:6f:54 on dc0 > Jul 17 05:47:57 server /kernel: arp: 12.236.220.1 moved from 00:b0:64:b7:6f:a8 to 00:b0:64:b7:6f:54 on dc0 I thought those : delimited fields would be MAC addresses, but they don't match the MAC addresses of either of the two cards in my free-bsd box. I have not checked the MAC addresses of the other network cards on my network. Also, where does the "server /kernel" name come from. "kernel" is not the name I gave my kernel, so I am suspicious. Thanks, --Craig ------=_NextPart_000_0036_01C22E51.CCC61F00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I=20 have found the same logs on one of my older builds (4.3 I think). The = offending=20 MAC address was found to be a Cisco router on my ISP's network. I found = no=20 solution for it though.

Jim Laurenson

-----Original Message-----
From:=20 owner-freebsd-security@FreeBSD.ORG=20 [mailto:owner-freebsd-security@FreeBSD.ORG]On Behalf Of Craig=20 Miller
Sent: July 18, 2002 11:47 AM
To:=20 freebsd-security
Subject: wierdness in my security=20 report

Anyone have any ideas as to what = might be causing=20 the following to appear in my security report?

arp: 12.236.220.1 moved from 00:b0:64:b7:6f:54 to = 00:b0:64:b7:6f:a8=20 on dc0
> Jul 17 05:47:56 server /kernel: arp: 12.236.220.1 moved = from=20 00:b0:64:b7:6f:54 to 00:b0:64:b7:6f:a8 on dc0
> arp: = 12.236.220.1 moved=20 from 00:b0:64:b7:6f:a8 to 00:b0:64:b7:6f:54 on dc0
> Jul 17 = 05:47:57=20 server /kernel: arp: 12.236.220.1 moved from 00:b0:64:b7:6f:a8 to=20 00:b0:64:b7:6f:54 on dc0

I thought those : delimited fields = would be MAC=20 addresses, but they don't match the MAC addresses of either of the two = cards=20 in my free-bsd box. I have not checked the MAC addresses of the = other=20 network cards on my network.

Also, where does the "server /kernel" = name come=20 from. "kernel" is not the name I gave my kernel, so I am=20 suspicious.

Thanks,

--Craig

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