You probably know what TCP/IP is; any computer using TCP/IP will have a unique IP address by which data in the form of packets is sent and received from other computers. The process of passing data ...

A software firewall is a standard tool for protecting computers from viruses and other malware. Some routers -- the device that carries packets of data between your network and the Internet -- offer ...

Ron Nutter helps a reader who asks: “For the average home user, how safe is having a simple NAT box between your Internet connection and your PC or network?” For the average home user, how safe is ...

To defend against data loss and theft, companies need as much protection as possible from external threats. Hardware and software firewalls prevent malicious traffic from reaching computers connected ...

You may have seen inexpensive home routers described as "NAT firewalls." For example, Linksys says of its BEFSR11 EtherFast Cable/DSL Router, "...the built-in NAT technology acts as a firewall ...

It’s been a good week for the videoconferencing industry four announcements (Tandberg, Polycom, VisualNexus and Jasomi/Radvision) for systems that deal with the firewall and NAT traversal issue that ...

Hey guys,<BR><BR>We're finally upgrading our network and systems around here, and I'm trying to work out on paper how everything will work. We're moving from an NT4 environment where everything was ...