pfSense

Policy-based visibility and control over applications, users and content

Visualization tools present administrators with data on applications traversing the network, who is using them, and the potential security impact.

Inspecting permitted application traffic by means of threat prevention, URL filtering and data filtering

Firewall policy controls enable administrators to create firewall policies controlling what data is allowed to traverse the firewall

Integration with Active Directory and LDAP directories

Either command-line or web-based interface for centralized control and management

Custom and summary reports, and log files enabling analysis of security incidents, application usage and traffic patterns

VPN's implement encryption and anonymize IP addresses

Built-in capacity to prevent exposure if primary firewall stops working

Stateful inspection analyzes packet headers and contents of packets

A proxy server changes your IP address and masks the origin of your network traffic