From owner-freebsd-hackers@FreeBSD.ORG Tue Jul 8 04:55:05 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A5AD437B401 for ; Tue, 8 Jul 2003 04:55:05 -0700 (PDT) Received: from cicero2.cybercity.dk (cicero2.cybercity.dk [212.242.40.53]) by mx1.FreeBSD.org (Postfix) with ESMTP id 16CF743F3F for ; Tue, 8 Jul 2003 04:55:05 -0700 (PDT) (envelope-from db@traceroute.dk) Received: from user1.cybercity.dk (fxp0.user1.ip.cybercity.dk [212.242.41.34]) by cicero2.cybercity.dk (Postfix) with ESMTP id EC26118F745; Tue, 8 Jul 2003 13:55:03 +0200 (CEST) Received: from main (port132.ds1-arsy.adsl.cybercity.dk [212.242.239.73]) by user1.cybercity.dk (Postfix) with SMTP id 3174F68B01; Tue, 8 Jul 2003 13:54:53 +0200 (CEST) Date: Tue, 8 Jul 2003 14:03:15 +0200 From: Socketd To: "Andrey Alekseyev" , hackers@freebsd.org Message-Id: <20030708140315.651b3799.db@traceroute.dk> In-Reply-To: References: <3F0AA830.9A82CB37@mindspring.com> X-Mailer: Sylpheed version 0.8.10claws (GTK+ 1.2.10; i386-portbld-freebsd4.8) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: 5 "Advanced" networking questions X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jul 2003 11:55:05 -0000 On Tue, 08 Jul 2003 15:50:30 +0400 "Andrey Alekseyev" wrote: > You may also take a look at the IPSTEALTH kernel config > option (see LINT): > > # IPSTEALTH enables code to support stealth forwarding (i.e., > forwarding > # packets without touching the ttl). This can be useful to hide > firewalls > # from traceroute and similar tools. Jep, have already seen that one :-) br socketd