If it isn’t then Comodo Free Firewall will alert you that a possibly malicious file is attempting to access your PC.

It works by using a cross reference system to ensure that whenever unknown software has been introduced to your system, Comodo Free Firewall will cross-reference it with a white-list of over 15 million files and apps to see if it is legitimate. It uses something called default deny protection (DDP) to prevent any threats from entering, and affecting your system. Your free antivirus and firewall need to be frequently updated to protect against the most recently developed malware. This free firewall protects your computer from all manner of external threats in an efficient and effective way. Type the following command and hit Enter after each: netsh winsock reset catalog (reset winsock entries) netsh int ip reset reset.log hit (reset TCP/IP stack) c. Secures all connections when you are online. Press Windows Key + X together and select Command Prompt (admin).Fast and hassle-free online experience.Not only is it pleasing on the eyes, it also provides enhanced protection via a constantly updated cloud database to always keep your system as safe as possible. The interface is modern, sleek and intuitive and easy to navigate. Comodo Free Firewall is a superb replacement for Windows’ default utility.

Comodo firewall windows 10