Upgrade to get the firewall

Upgrade to get the firewall
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Avast is known for providing a wide range of features in its free product, but this firewall isn't one of them. The firewall comes only with Avast Internet Security 6. This tutorial explains how to use it.

February 25, 2011 2:31 PM PST

Photo by: Screenshot by Seth Rosenblatt/CNET


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