Windows Defender Firewall with Advanced Security, a Microsoft Management Console (MMC) snap-in, in Windows 11/10 is a stateful, host-based firewall that filters incoming and outgoing connections based ...

Enterasys Networks is jumping into the multi-function security router business with three devices meant to compete against similar Cisco offerings. The three boxes, called XSR-3020, XSR-3150 and ...

IPv6 is starting to show up in around the Internet. Adoption is slow, but with the magic number of 4 billion- plus IPv4 addresses about to be reached, IPv6 will see a much faster pace of adoption as ...

As remote access to business networks increases and as threats against these networks grow, IT executives need to support technology that is flexible and that can combat evolving attacks effectively.

VPN (Virtual Private Network) is a technology that provides secure communication through an insecure and untrusted network (like the Internet). Usually, it achieves this by authentication, encryption, ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...

IPsec is a suite of protocols that are used to secure internet communications—in fact, the name itself is an abbreviation for Internet Protocol Security. IPsec was first codified in the ’90s, spurred ...

The third time could be a charm for Check Point Software as it introduces yet another SSL virtual private network product. Marguerite Reardon started as a CNET News reporter in 2004, covering ...

Mac OS X comes with a built-in firewall service that can be used to protect your Mac from online security risks. The firewall sits between OS X and the internet and only allows incoming traffic to ...