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 ...

I have two sites connected via an IPsec VPN tunnel over cable internet connections. Site A had 100/7 available for bandwidth. Site B had 150/25 available bandwidth. An iperf site A --> site B ...

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 ...

There are several basic tasks that must typically be addressed when implementing IPsec. In this section we will explore basic tasks common to most of the fundamental IPsec VPN implementations, ...

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, ...