From owner-freebsd-questions Tue Sep 25 20: 9:30 2001 Delivered-To: freebsd-questions@freebsd.org Received: from cx175057-a.ocnsd1.sdca.home.com (cx175057-a.ocnsd1.sdca.home.com [24.13.23.40]) by hub.freebsd.org (Postfix) with ESMTP id 091FC37B407 for ; Tue, 25 Sep 2001 20:09:26 -0700 (PDT) Received: from localhost (bri@localhost) by cx175057-a.ocnsd1.sdca.home.com (8.11.6/8.11.3) with ESMTP id f8Q39Jw61680; Tue, 25 Sep 2001 20:09:20 -0700 (PDT) (envelope-from bri@sonicboom.org) Date: Tue, 25 Sep 2001 20:09:19 -0700 (PDT) From: Brian Whalen X-X-Sender: To: David Kelly Cc: Subject: Re: natd/ipfw/sshd problem. In-Reply-To: <200109260307.f8Q37Ww18996@grumpy.dyndns.org> Message-ID: <20010925200850.A61552-100000@cx175057-a.ocnsd1.sdca.home.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I thought the thread was that potentially a few packets may be getting thru b4 the firewall loaded?? Brian "Sonic" Whalen Success = Preparation + Opportunity On Tue, 25 Sep 2001, David Kelly wrote: > Brian Whalen writes: > > Is anyone doing anything about that?? > [...] > > > > I find it interesting that somehow 27 packets got past 65000. Can only > > > > assume not all of the above rules were added at the same time. > > > > > > It is possible for packets to arrive before the firewall rules get > > > loaded. > > That's why the default is to deny all. Is exactly the same to IP from > the outside as if the interface was not up yet. > > Compile IPFW into the kernel and "deny all" will be in effect before > the interface is open for business. Load it via kld and you have a > moment of vulnerability during boot. > > -- > David Kelly N4HHE, dkelly@hiwaay.net > ===================================================================== > The human mind ordinarily operates at only ten percent of its > capacity -- the rest is overhead for the operating system. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message