Date: Tue, 9 Mar 1999 02:48:12 -0500 (EST) From: <mike@seidata.com> To: Paul MacKenzie <pc.mackenzie@utoronto.ca> Cc: freebsd-security@FreeBSD.ORG Subject: Re: Quick question about arp error Message-ID: <Pine.BSF.4.05.9903090245260.972-100000@ns1.seidata.com> In-Reply-To: <4.1.19990308175812.009d0310@mail.elehost.com>
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On Mon, 8 Mar 1999, Paul MacKenzie wrote: > But, what I do not understand is why is this happening? Is this a security > risk? What if anything can be done to fix it? What causes it? The cause is having different logical subnets on the same physical ethernet segment. The FreeBSD machine on subnet A sees arp from sbunet B because they are physically attached, but it gets confused because the addressing scheme says different subnets. I get this here, as well, and I believe the only real fix is to keep one subnet per physical wire... i.e. don't have multiple logical subnets on the same physical segment. Later, -Mike To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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