From owner-freebsd-questions Tue Feb 26 8:58: 5 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mail.e-perception.com (mail.e-perception.com [63.100.80.23]) by hub.freebsd.org (Postfix) with ESMTP id 392F837B417 for ; Tue, 26 Feb 2002 08:58:03 -0800 (PST) Received: from localhost (soconnor@localhost) by mail.e-perception.com (8.11.6/8.11.6) with ESMTP id g1QGqL462720; Tue, 26 Feb 2002 08:52:21 -0800 (PST) (envelope-from soconnor@mail.e-perception.com) Date: Tue, 26 Feb 2002 08:52:21 -0800 (PST) From: "Shawn O'Connor" To: Ian Dowse Cc: freebsd-questions@freebsd.org Subject: Re: NFS replies with different IP address In-Reply-To: <200202260102.aa41839@salmon.maths.tcd.ie> Message-ID: <20020226083448.B62491-100000@mail.e-perception.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I'm trying not to just mount to the 10.1.1.10 IP address because the machine in question is part of a veritas cluster and whichever node is controlling NFS at that time assumes a virtual interface with an IP address of 10.1.1.9. I agree that this is a Solaris problem. I find it disconcerting that the Solaris box would respond back with it's primary IP address. I was just wondering if there was an easy work around. -Shawn On Tue, 26 Feb 2002, Ian Dowse wrote: > Why not just use the IP address that does work! Accepting replies > from any source address whatsoever (only the XID is checked) is not > a very secure behaviour; I don't think this has been ever allowed > in FreeBSD. As the RFC you quoted suggests, this is more a problem > with Solaris than FreeBSD. If you use FreeBSD as a multi-homed NFS > server there is a "-h" option to nfsd that allows you to bind to > each IP address to ensure that replies come from the right one. > > Ian To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message