Firewalls are tools that can be used to enhance the security of computers in a public network. Comodo has a released a free to use application which requires a registration and license activation


This free firewall is a fully functional product and even the updates are free.

Some of the life time free products from comodo includes Comodo Antivirus,Antispam,Backup,
i-vault and verification engine.
Download Comodo here

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