The Best Free Firewalls Available for Mac and PC
 

If you are a neophyte to the world of computer firewalls, but still want to get the best free protection available, Digital Trends has put together a list of free firewalls that will give you varying degrees of protection. It's a delicate balance, because some firewalls don't do enough to protect you and your information, while others close off too many ports, require a lot of user maintenance and cause problems with access to online games or streaming service.

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