Author: Roy Eassa
Date: 12:24:43 05/16/02
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On May 16, 2002 at 15:10:57, Jon Dart wrote: >On May 16, 2002 at 14:39:00, Roy Eassa wrote: > > >> >>Jon, may I ask a question about this topic? >> >>I have a Linksys cable router (BEFSR41) that connects my computers to the cable >>modem. I've heard that it's an "OK" firewall as is, but would be a very good >>firewall if you configure it a certain way. What would I need to do? > >This is getting pretty far OT .. routers can generally be configured to block >access to particular ports. Some routers can do more sophisticated firewall >functions, such as "stateful inspection": this allows you, for example, to let >in only Internet traffic that comes in response to a request you have initiated. >How you do this is vendor-dependent. My DSL router has a web-based admin GUI >that you can use to configure it. But if your ISP installed the router, they may >not want you reconfiguring it .. it is more possible support headaches for them >if you have problems. > >--Jon The Linksys router is my own, not the cable company's. They don't even like that I have it. It is, like yours, configurable via WWW. I don't recall seeing "stateful inspection" but I know you can block ports (etc.). I just don't know which ones to block. When I bought the thing (March of 2000) I thought I was forever safe because it separates the cable company from my computers (which are essentially on a separate LAN). Now I'm not so sure, but I guess I'm too thick-headed in this area to understand the nature of my vulnerability given the separate LAN. Any help is appreciated -- including more general explanation and/or links to web pages that explain. Thanks!
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