What is a firewall


I have a high-speed internet connection. I am connected through a D-Link 4-port router to set up a home network. I recently downloaded Zone Alarm and noticed it used alot of memory. I would like to keep as much of my memory freed up as possible for performance. Do I need to have a firewall installed in addition to my router or is my router enough security ?


This question was answered on January 29, 2003. Much of the information contained herein may have changed since posting.

You don't really need another firewall the router's firewall is good enough The routers use a generic ip address that only cable mo0dem can see It cannot see your hardware or ip address on your computer nor can anyone else for example try netmeeting with a friend and you wil see that you cannot get a connection.

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Posted by Eugene of Katharine Gibbs School - New York on January 29, 2003