From owner-freebsd-hackers Fri Aug 30 11:16:19 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA11286 for hackers-outgoing; Fri, 30 Aug 1996 11:16:19 -0700 (PDT) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id LAA11275 for ; Fri, 30 Aug 1996 11:16:14 -0700 (PDT) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id LAA00819; Fri, 30 Aug 1996 11:04:02 -0700 From: Terry Lambert Message-Id: <199608301804.LAA00819@phaeton.artisoft.com> Subject: Re: Sun NFS interop problem To: bwithrow@baynetworks.com (Robert Withrow) Date: Fri, 30 Aug 1996 11:04:02 -0700 (MST) Cc: hackers@FreeBSD.ORG In-Reply-To: <199608301548.LAA10680@tuva.engeast.baynetworks.com> from "Robert Withrow" at Aug 30, 96 11:48:57 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > I wrote about this a while ago, but I still (2.1.5) have the problem > interoping with sun NFS where the FreeBSD machine sends a message > to one sun machine port and gets a reply from another port on the > sun machine and drops it. [ ... ] > So, can someone tell me where this check is in the FreeBSD code, > so I can try to disable it? Look in the anti-spoofing code. The reason it's there is to prevent someone from outside taking over a local NFS connection and raping your file system. The Sun looks like two machines: the valid machine, and a spoofer trying to hack NFS. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.