Easy to setup and use as its based off Redhat
Intuitive ACL menu for writing rules
Pre-populated common ports
Suite of tools to report and troubleshoot network conditions
Room for Improvement:
At the beginning the design can be overwhelming, where to start
Getting used to the CLI syntax but do-able
This enterprise class firewall appliance is great and very intuitive menu. Great for inline firewall access control to work with Cisco or any vendor switch. It has a suite of applications to help you setup virtual firewalls and provide redundancy or bandwidth to whatever application or service you are providing.