Because they eliminate the high costs associated with dedicated leased lines, VPNs are becoming increasingly popular as a means of providing secure communication between enterprises and branch offices ...
Last month I introduced FreeS/WAN, Linux's implementation of the IPSec tunneling protocol for secure virtual private networks (VPNs). For my sample configuration, I used the common scenario of remote ...
The Layer 2 Tunneling Protocol (L2TP) is a standard protocol for tunneling L2 traffic over an IP network. Its ability to carry almost any L2 data format over IP or other L3 networks makes it ...