L2TP VPN using rp-l2tpd

Prepare the rp-l2tpd Server To configure the rp-l2tpd VPN server, we need a Linux system with least of two network interfaces. I use CentOS 5 Linux operating system for my VPN installation. You can also use other Linux’s flavors, but avoid using Fedora Core 8. Fedora Core 8 has some bug in pppd that doesn’t…

L2TP VPN using xl2tpd

L2TP (Layer 2 Tunneling Protocol) L2TP (Layer 2 Tunneling Protocol) is a tunneling protocol used for VPN. It uses the UDP port 1701 to communicate. It doesn’t have any encryption, but we can encrypt the L2TP packets by using it with IPSec. For theoretical information on L2TP you can visit its Wiki. In Linux, you…