Date: Tue, 28 Aug 2001 10:23:00 -0400 From: Mark Woodson <mwoodson@bacxs.com> To: <questions@freebsd.org> Subject: Re: Security ! Message-ID: <5.1.0.14.0.20010828101902.026900a0@192.168.99.2> In-Reply-To: <62d801c12fc9$e3edd0b0$0a05030a@internal.ramnet.gr>
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At 05:01 PM 8/28/2001 +0300, midiostri@in.gr wrote: >Hi, > >I'm busy securing our LAN and I need to setup a freebsd 4.3 box that will >run as firewall and protect my vulnerable network from the internet chaos. >I also think of running NAT there too. > >There appear to be quite a lot of hackers and intruders in the wild and I >need to keep them out of my lan. > >I'd appreciate any suggestions or links/references to stuff that can help >me on this. The first thing I could suggest would be to get yourself a good book. "Building Internet Firewalls" published by O'Reilly is a good place to start. Next you'll need to learn about Unix/BSD so that you can properly secure your box. Then pick a filtering/NAT product. I use IP Filter/NAT. Then finally build your firewall. >Also, are there any scripts that can be run periodically on a computer and >check if there are changes made to files ? Tripwire, you'll find it in the ports collection. /usr/ports/security/tripwire Start with a good book on security and/or firewalls. -Mark To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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