From owner-freebsd-net@FreeBSD.ORG Wed Aug 10 13:48:59 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BF89A16A41F; Wed, 10 Aug 2005 13:48:59 +0000 (GMT) (envelope-from steve.langdon@mail.ru) Received: from f31.mail.ru (f31.mail.ru [194.67.57.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6467F43D46; Wed, 10 Aug 2005 13:48:59 +0000 (GMT) (envelope-from steve.langdon@mail.ru) Received: from mail by f31.mail.ru with local id 1E2qwz-0005um-00; Wed, 10 Aug 2005 17:48:57 +0400 Received: from [195.14.57.50] by win.mail.ru with HTTP; Wed, 10 Aug 2005 17:48:57 +0400 From: Steve Langdon To: Sten Daniel S=?koi8-r?Q?=F8?=rsdal Mime-Version: 1.0 X-Mailer: mPOP Web-Mail 2.19 X-Originating-IP: [195.14.57.50] Date: Wed, 10 Aug 2005 17:48:57 +0400 In-Reply-To: <42FA0295.1030503@wm-access.no> Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 8bit Message-Id: Cc: freebsd-net@freebsd.org, freebsd-questions@freebsd.org Subject: Re[2]: Stranges with ARP X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Steve Langdon List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Aug 2005 13:48:59 -0000 Sten, thanks for helping me. Another question: ``route -blackhole' is the same thing like ``arp -S [IP] 00:00:00:00:00'? So packet will ignore on router. Or not? -----Original Message----- From: Sten Daniel Sørsdal To: Steve Langdon Date: Wed, 10 Aug 2005 15:35:17 +0200 Subject: Re: Stranges with ARP [snip] > Using static arp is a very VERY bad idea. > Consider an flood attack against this IP. All packets will be sent to > ALL clients and you would have a hard time tracking down the problem. > > Just use -blackhole or firewall instead.