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 ...

OK, I have a nice little 300Mhz machine running Win2k AS acting as a NAT firewall. I'm not using ICS, I'm using the real NAT functions. I want to be able to allow people to access a share on a machine ...

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 ...

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 ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. TL;DR: A lifetime subscription to Ivacy VPN ...