From owner-freebsd-security Fri Apr 5 2:59:56 2002 Delivered-To: freebsd-security@freebsd.org Received: from pa169.kurdwanowa.sdi.tpnet.pl (pa169.kurdwanowa.sdi.tpnet.pl [213.77.148.169]) by hub.freebsd.org (Postfix) with ESMTP id 7CF6B37B404 for ; Fri, 5 Apr 2002 02:59:53 -0800 (PST) Received: from velvet.zaraska.dhs.org (velvet.zaraska.dhs.org [192.168.11.2]) by pa169.kurdwanowa.sdi.tpnet.pl (Postfix) with ESMTP id 9E1791E3D; Fri, 5 Apr 2002 10:59:47 +0000 (GMT) Received: from velvet.zaraska.dhs.org (velvet.zaraska.dhs.org [127.0.0.1]) by velvet.zaraska.dhs.org (8.11.2/8.11.2) with SMTP id g35Axim01221; Fri, 5 Apr 2002 12:59:44 +0200 Date: Fri, 5 Apr 2002 12:59:44 +0200 From: Krzysztof Zaraska To: "ozkan_kirik" Cc: freebsd-security@freebsd.org Subject: Re: Ping problem! Message-Id: <20020405125944.10c361c8.kzaraska@student.uci.agh.edu.pl> In-Reply-To: References: Organization: University Of Mining And Metallurgy X-Mailer: Sylpheed version 0.6.2 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Fri, 05 Apr 2002 07:44:45 -0000 ozkan_kirik wrote: > after i built my kernel, i couldnt ping to anywhere even router, & i > couldnt ping to my firewall. I don't quite understand you... Usually the firewall should be setup the way allowing you to ping outside host, but the external world should not be able to ping you. > what the problem can be? > > the options on kernel are: > > IPFIREWALL > IPDIVERT > IPFIREWALL_FORWARD > IPFIREWALL_VERBOSE > IPFIREWALL_VERBOSE_LIMIT=100 > IPFIREWALL_DEFAULT_TO_ACCEPT ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This will let through any traffic not explicitely denied. Standard recommended setup is 'default to deny'. > IPFILTER > IPFILTER_LOG Are you sure you want to run both ipf and ipfw at the same time? -- // Krzysztof Zaraska * kzaraska (at) student.uci.agh.edu.pl // Prelude IDS: http://www.prelude-ids.org/ // A dream will always triumph over reality, once it is given the chance. // -- Stanislaw Lem To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message