Just ask any economist: When a commodity is in short supply, several things happen. The price goes up, rationing begins, and people start scrambling for substitutes. Globally unique Internet addresses ...

One of the vexing things about IP Security (IPSec) VPNs is network address translation (NAT); that is, converting private IP addresses to public ones when traffic crosses a firewall so Internet ...

MAC address stands for media access control address. It is basically a unique identifier given to a network interface controller for use as a network address in communications within a network sector.

You might think that connecting anonymously to a public Wi-Fi network doesn’t reveal much about you. You might be using a VPN (virtual private network) to protect everything you do. Even if you aren’t ...