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Software Firewall If Have A Linksys Router/gateway?


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#1 kabergmann

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Posted 19 April 2008 - 04:10 PM

I was told that I do not need a software firewall if my computer sits behind a router. Is this true?

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#2 Juha

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Posted 20 April 2008 - 10:48 AM

The differences between a software and hardware firewall are vast, and the best protection for your computer and network is to use both, as each offers different but much-needed security features and benefits.

http://www.webopedia.com/didyouknow/hardwa...ewall_types.asp

Choosing a Firewall: Hardware v. Software: http://technology.inc.com/security/article...refirewall.html

#3 quietman7

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Posted 21 April 2008 - 01:17 PM

Using two software firewalls on a single computer could cause issues with connectivity to the Internet or other unexpected behavior. Further, running multiple software firewalls can cause conflicts that are hard to identify and troubleshoot. Only one of the firewalls can receive the packets over the network and process them. Sometimes you may even have a conflict that causes neither firewall to protect your connection. However, you can use a hardware firewall (your router) and a software firewall (Kerio or ZoneAlarm) in conjunction.
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