No doubt, you’ve heard the term “firewall” in regard to computing, but do you know what it is? When it comes to security, we should all be educated consumers, so this is an introduction to the basic ...

A firewall is software or hardware that sits between two networks -- typically, between your LAN and the Internet -- and allows some sorts of network traffic through while preventing others. It works ...

With the whole of the networking worldmoving toward inhabiting a single global village, we inevitablyhave to start thinking about locking our doors and bolting ourwindows. It has to be recognized that ...

Enterprise firewalls must have policies to control traffic, ability to create site-to-site VPNs using standards-based IPsec, translate addresses and port numbers (NAT) when needed, and apply basic ...

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 ...

The ufw (uncomplicated firewall) represents a serious simplification to iptables and, in the years that it’s been available, has become the default firewall on systems such as Ubuntu and Debian. And, ...

Last month in Minding the Network we discussed three common firewall schemes and issues to think about as you determine your firewall needs. This month we’ll talk about some firewall configurations.

Four basic types of firewall protection exist--network level, circuit level, application-level and stateful multilayer. Each type has advantages and disadvantages, ranging from ease of implementation ...

The results of our soon-to-be-published Advanced Cloud Firewall (ACFW) test are hard to ignore. Some vendors are failing badly at the basics like SQL injection, command injection, Server-Side Request ...