Since IPFire 2.15, the firewall capabilities of the IPFire system have been massively improved. A lot of new features have been introduced which require a lot more powerful GUI. You will find all what you need to know about to manage that on these pages.
Learn everything you need to know in the introduction.
For beginners and for quick results, there are quick start guides that explain how to execute day-to-day tasks:
The comprehensive reference documentation explains how to operate the IPFire firewall. It explains all the bells and whistles and how the firewall works internally. You should definitely read these pages because despite the things everyone should know about the IPFire firewall, there are best practices and many other useful tricks.