The best VPNs can make your online life more private with software that's convenient and cheap — sometimes even free. While keeping your IP address invisible, you can use your VPN to explore streaming ...

At first glance, stateful packet filtering appears to have conquered the firewall world, both in terms of market share and mind share. The list of products based on stateful packet filtering is a long ...

Network address translation and port address translation (NAT/PAT) originally were solutions for the depletion of the IPv4 addresses, and now are used by growing corporations to securely expand their ...

Researchers at Caltech, Harvard and MIT have been working with colleagues in Europe to come up with a method of boosting wireless network performance. What they've created is a network that is 10 ...