Learn how to keep your network secure without slowing it down or causing latency. Understand everything from unified threat management (UTM) and proxys to purchasing advice and firewall placement.

A firewall is a device that protects you from a possibly hostile network by monitoring and restricting TCP/IP communications based on the policies that you set. The device is traditionally dedicated ...

Mike Chapple is a teaching professor of IT, analytics and operations at the University of Notre Dame. Network firewalls are one of the mainstay security controls that organizations rely on to protect ...