This hunt is really awesome! Please read my reviews for this!

Pros:

• Security is what every individual wants and I bet this is the best for it
• It is an open source software which everyone can really take an advantage for its free of charge
• They also provide a perfect training that helps every user to be acquainted with the application
• With a good reviews about being the best open source firewall.

Cons:

• Since this is an open source software and a security tool, nothing I can speak of

Security is best at PfSense!!