Lisa teaches about VPNs at the annual Internet Security Conference and writes frequently about network and security technologies, including a VPN column published monthly by ISP-Planet. Before you can tackle the security issues surrounding your VPN and its remote users, you need to understand which type of VPN you have and how it works. This white paper explains secure VPNs and their applications, the technology that supports them, and how they are deployed.
Helpful diagrams illustrate the concepts.
To offer a successful remote access VPN service, an ISP must master many challenges, ranging from trouble-free client software to user database integration. In this column, we examine layer two L2TP and L2F options. This requirement may seem obvious, but satisfying it can be a challenge. VPN client administration. In this column, we discuss the importance of securing residential PCs which operate as remote access tunnel endpoints.