From owner-freebsd-security Mon Dec 10 15:15: 3 2001 Delivered-To: freebsd-security@freebsd.org Received: from mta06-svc.ntlworld.com (mta06-svc.ntlworld.com [62.253.162.46]) by hub.freebsd.org (Postfix) with ESMTP id 9C4DC37B449 for ; Mon, 10 Dec 2001 15:14:43 -0800 (PST) Received: from there ([80.4.125.7]) by mta06-svc.ntlworld.com (InterMail vM.4.01.03.23 201-229-121-123-20010418) with SMTP id <20011210231442.DTMS3849.mta06-svc.ntlworld.com@there> for ; Mon, 10 Dec 2001 23:14:42 +0000 Content-Type: text/plain; charset="iso-8859-1" From: Mike D To: freebsd-security@FreeBSD.ORG Subject: Re: ICMP from within only Date: Mon, 10 Dec 2001 23:14:08 +0000 X-Mailer: KMail [version 1.3] References: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20011210231442.DTMS3849.mta06-svc.ntlworld.com@there> 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 > Allows YOU to ping, and run traceroute. > $fwcmd add allow icmp from any to via icmptypes > 0,3,11 > > Denies others to ping you. > $fwcmd add deny icmp from any to via icmptypes 0,8 > > Allows pinging etc, from your personal network. > $fwcmd add allow icmp from to via > icmptypes 0,8 the problem is that I have a dynamically assigned IP address, what could you suggest for this? Shall I just do the rule for 123.123.*? (123.123 being the first 2 numbers of the DHCP range) Thanks again in advance! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message