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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Google Chrome now blocks access to websites on an additional seven TCP ports to protect against the NAT Slipstreaming 2.0 vulnerability. As a way to reduce the amount of public IP addresses and to ...

The Interactive Connectivity Establishment draft provides a framework to unify the various NAT traversal techniques. This enables SIP-based VoIP clients to successful traverse the variety of firewalls ...