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.

Why waste money on an enterprise firewall when you can build your own from old PC parts?

Back in 1990s one of the debates was whether the network should be smart or just a "big dumb pipe." By the turn of the century we thought the "big dumb pipe" theory of networking won. The network ...

Firewalls act as gatekeepers that regulate data flow between internal and external networks based on security rules, while antivirus tools detect malicious activity in a computer or network system ...

Firewalls can be difficult to manage. Often times rules lack granularity due to a lack of understanding of the application traffic or trying to keep up with the speed of business. Firewalls get more ...

Understanding the stateful firewall vs stateless firewall distinction will help you decide on the best strategy for protecting your network. A stateful firewall keeps track of the state of network ...

A variety of firewalls are available that examine different aspects of network traffic. All firewalls compare this traffic against a set of rules that mediate the flow of packets. As a business grows, ...

Nir Zuk says he developed the technology used in all firewalls today. David Pensak claims to have built the first commercially successful firewall. Marcus Ranum says his own reputation as inventor of ...