From owner-freebsd-security Fri Jul 2 9:12:49 1999 Delivered-To: freebsd-security@freebsd.org Received: from florence.pavilion.net (florence.pavilion.net [194.242.128.25]) by hub.freebsd.org (Postfix) with ESMTP id 7A9451571B for ; Fri, 2 Jul 1999 09:12:44 -0700 (PDT) (envelope-from joe@florence.pavilion.net) Received: (from joe@localhost) by florence.pavilion.net (8.9.2/8.8.8) id RAA27150; Fri, 2 Jul 1999 17:12:21 +0100 (BST) (envelope-from joe) Date: Fri, 2 Jul 1999 17:12:21 +0100 From: Josef Karthauser To: "Rodney W. Grimes" Cc: Dag-Erling Smorgrav , Snob Art Genre , Bill Fink , freebsd-security@FreeBSD.ORG Subject: Re: your mail Message-ID: <19990702171221.D69050@pavilion.net> References: <19990702104239.X69050@pavilion.net> <199907021541.IAA22509@gndrsh.aac.dev.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <199907021541.IAA22509@gndrsh.aac.dev.com>; from Rodney W. Grimes on Fri, Jul 02, 1999 at 08:41:53AM -0700 X-NCC-RegID: uk.pavilion Organisation: Pavilion Internet plc, 24 The Old Steine, Brighton, BN1 1EL, England Phone: +44-845-333-5000 Fax: +44-845-333-5001 Mobile: +44-403-596893 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, Jul 02, 1999 at 08:41:53AM -0700, Rodney W. Grimes wrote: > > Create a permanant arp entry for is IP address. Your server won't arp for > him any more, and if he changes his IP address his packets won't get to > him. > > See man 8 arp: > > arp -S ipaddress ethernet_add pub > > should do it for you. Yep, but unless you switch arp off it will arp for any other IP address that he decides to change to. One MAC address can be associated with multiple IP addresses, as any web farm manager will tell you ;) Does anybody know what the world record for IP addresses on one machine is? '-) Joe -- Josef Karthauser FreeBSD: How many times have you booted today? Technical Manager Viagra for your server (http://www.uk.freebsd.org) Pavilion Internet plc. [joe@pavilion.net, joe@uk.freebsd.org, joe@tao.org.uk] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message