please suggest a good freeware firewall for windows.

thanks.

For personal use, usually Windows Firewall (included) is the sensible choice. If you mean antivirus etc., check out Malwarebytes and AVG for good free options.

I never advise a software firewall, but a hardware one. Most personal LAN routers provide this service quite reasonably. Set your computers to use DHCP, or a local static IP address, and your router will use NAT (Network Address Translation) to map local->internet->local addresses. That way, unless you configure the router to tunnel specific ports to local servers (such as HTTP requests to a web server on port 80 or 443), nothing from outside can connect to your systems and compromise your network.

Comodo Firewall although not free but can offer a trial through it's webpage

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Yes I agree, ZoneAlarm has been great free Firewall in the past. Although, I'm not familiar with the product since CheckPoint purchased it.

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