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 ...

Network appliances don't always offer all the firewalling features a user needs -- you know, the advanced port blocking and security procedures we'd like to keep our little home network fiefdoms ...

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 ...

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, ...

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 ...

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 ...

Cybersecurity would be a lot easier if you had a magic crystal ball that could see what attackers were going to do in the future and the approaches they might take. Obviously, that’s not going to ...