Four of the top firewall solutions on the market are Fortinet FortiGate, Cisco ASA, Sophos UTM and Palo Alto Networks WildFire. Users give a shout out for some of their favorite features, but also give the vendors a little tough love. Firewalls create a barrier between a secure internal network and a potentially less-secure outside network. The firewalls are becoming more important as more companies move to the cloud and software defined networks. The IT Central Station community takes a look at what enterprise users really think about these tools.”]