From owner-freebsd-questions Thu Aug 5 14:57:59 1999 Delivered-To: freebsd-questions@freebsd.org Received: from buffnet4.buffnet.net (buffnet4.buffnet.net [205.246.19.13]) by hub.freebsd.org (Postfix) with ESMTP id 3F4FB1556E for ; Thu, 5 Aug 1999 14:57:56 -0700 (PDT) (envelope-from shovey@buffnet.net) Received: from buffnet11.buffnet.net (buffnet11.buffnet.net [205.246.19.55]) by buffnet4.buffnet.net (8.8.7/8.8.7) with ESMTP id RAA12764; Thu, 5 Aug 1999 17:57:36 -0400 (EDT) (envelope-from shovey@buffnet.net) Date: Thu, 5 Aug 1999 17:57:35 -0400 (EDT) From: Steve Hovey To: marcus@mail01.redcentre.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: security check output In-Reply-To: <199908051627.CAA01600@mail.beyondtech.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG That means either you changed the ethernet cards in several boxes on your network, or someone was spoofing.. To stop spoofing from outside your network to inside your network, one of the things you can do is filter out packets FROM your internal class Cs if the come in from your external port. On Fri, 6 Aug 1999 marcus@mail01.redcentre.com wrote: > > > mail01 kernel log messages: > > Hi - would anybody be able to explain to me whats happening here > > (and what I should do to fix it)? > > > 7F00,0000,0000> e: table is full > > > arp: 203.xx.xx.xxx moved from 00:yy:yy:yy:yy:0f to 00:zz:zz:zz:zz:ba > > > arp: 203.xx.xx.xxx moved from 7F00,0000,000000:zz:zz:zz:zz:ba 7F00,0000,0000to 7F00,0000,000000:yy:yy:yy:yy:0f7F00,0000,0000 > > > arp: 203.xx.xx.xxx moved from 7F00,0000,000000:yy:yy:yy:yy:0f7F00,0000,0000 to 7F00,0000,000000:zz:zz:zz:zz:ba7F00,0000,0000 > > > arp: 203.xx.xx.xxx moved from 7F00,0000,000000:zz:zz:zz:zz:ba7F00,0000,0000 to 7F00,0000,000000:yy:yy:yy:yy:0f7F00,0000,0000 > > > arp: 203.43.52.130 moved from 7F00,0000,000000:yy:yy:yy:yy:0f7F00,0000,0000 to 7F00,0000,000000:zz:zz:zz:zz:ba7F00,0000,0000 > > > > Marcus > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message