This document compares the Comodo Firewall 10 software firewall for open source operating systems and the Microsoft Windows 10 firewall. It provides information on installing and using Comodo Firewall 10, including its functions like permitting selective internet access for applications, tracking hacker attempts, and quarantining browser activities. It outlines the features of Comodo Firewall like different modes and the pros and cons. It also summarizes key features of the Windows 10 firewall like blocking unauthorized network traffic in both directions and integrating with network awareness settings.