From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alexis" Subject: Re: How to setup netfilter to stop outbound DHCP? Date: Sun, 29 Feb 2004 18:11:07 -0300 Sender: netfilter-admin@lists.netfilter.org Message-ID: <002001c3ff08$8c27ddb0$51a2fea9@heretic> References: <001001c3fefd$daf70a70$6401a8c0@LSchmitt> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org A router is a solution. ----- Original Message ----- From: "Dr. Lawrence J. Schmitt" To: Sent: Sunday, February 29, 2004 4:54 PM Subject: How to setup netfilter to stop outbound DHCP? > > I am setting up a lab for students to configure and experiment with > Linux. I need to set up something that will keep responses to DHCP > requests from leaving the lab to keep from driving the network support > people crazy. > 1. What is the appropriate tool to use? > 2. Can anyone suggest an iptables rule that will block either > dhcp requests from entering the lab subnet or responses from > exiting. > 3. I would like to set up one pc running Linux as a router and > firewall, filter that also would run DHCP and DNS for the local > lab as well as block responses to DHCP requests on the nic that > is connected to the campus network. > > Any thoughts or comments are appreciated. > > Thanks in advance, > > Larry Schmitt > > > > > >