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Guest
I have 4 PC's that all access the Internet. All 4 PC's which run Windows XP Pro connect to each other via an 8 port mini hub. The Primary PC connects to the Internet via a Broadband Modem. This Primary PC is running a Firewall and Virus Protection (Mcafee) but the other 3 PC's only have Virus Protection (AVG v7 Pro). Do I need to install a Firewall on each PC?