From owner-freebsd-questions Fri Mar 2 9:23:27 2001 Delivered-To: freebsd-questions@freebsd.org Received: from moby.geekhouse.net (moby.geekhouse.net [64.81.6.36]) by hub.freebsd.org (Postfix) with ESMTP id 4C54C37B726 for ; Fri, 2 Mar 2001 09:23:18 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: from laptop.baldwin.cx (john@dhcp152.geekhouse.net [192.168.1.152]) by moby.geekhouse.net (8.11.0/8.9.3) with ESMTP id f22HNf157530; Fri, 2 Mar 2001 09:23:45 -0800 (PST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <002901c0a2f1$cdb23440$1401a8c0@tedm.placo.com> Date: Fri, 02 Mar 2001 09:22:45 -0800 (PST) From: John Baldwin To: Ted Mittelstaedt Subject: RE: Promiscuous Mode ?? Cc: freebsd-questions@FreeBSD.org, Doug Young Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 02-Mar-01 Ted Mittelstaedt wrote: >>[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of John Baldwin >>On 01-Mar-01 Doug Young wrote: >>> Would someone please comment on the following. The machine is >>> running fine so I don't believe its anything particularly bad, but I >>> don't recall seeing that particular message previously. >> >>Do you use DHCP? Every time you get or renew a lease dhclient puts the >>interface in promiscuous mode. > > No, it doesen't - DHCP is just another service, it requests via broadcast > packets and listens for a unicast packet response on a specified port. Hrm. At one point in time dhclient did use bpf to do this. Oh, but I think we fixed our IP stack to accept packets addressed to 0.0.0.0 (which dhclient uses as the interface's address) and once that was done promiscuous mode wasn't needed any longer. -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message