From owner-freebsd-security Thu Apr 4 15:38:28 2002 Delivered-To: freebsd-security@freebsd.org Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by hub.freebsd.org (Postfix) with ESMTP id CAE1937B41A for ; Thu, 4 Apr 2002 15:38:24 -0800 (PST) Received: by elvis.mu.org (Postfix, from userid 1098) id 94C5CAE0C7; Thu, 4 Apr 2002 15:38:24 -0800 (PST) Date: Thu, 4 Apr 2002 15:38:24 -0800 From: Bill Fumerola To: Steve Shorter Cc: FreeBSD , freebsd-security@FreeBSD.ORG Subject: Re: IpFilter / IpFireWall Message-ID: <20020404233824.GN1135@elvis.mu.org> References: <001f01c1dc2c$23f86e40$0225d7c8@broilo> <20020404231901.GM1135@elvis.mu.org> <20020404182754.A98545@nomad.lets.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020404182754.A98545@nomad.lets.net> User-Agent: Mutt/1.3.27i X-Operating-System: FreeBSD 4.5-MUORG-20020317 i386 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, Apr 04, 2002 at 06:27:54PM -0500, Steve Shorter wrote: > On Thu, Apr 04, 2002 at 03:19:01PM -0800, Bill Fumerola wrote: > > > options IPSTEALTH > > > > this has nothing to do with ipfw or ipfilter. > > Hmm.. this adds a syctl parameter that when enabled > causes the firewall to not decrease the ttl for packets that > pass through it making it "invisible" to traceroute et al. ipfw and ipfilter don't decrement the ttl. > Or am I missing something? yes, the difference between a firewall and a router. -- - bill fumerola / fumerola@yahoo-inc.com / billf@FreeBSD.org / billf@mu.org - my anger management counselor can beat up your self-affirmation therapist To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message