With OpenVPN, a new generation VPN entered the scene. While other VPN solutions often use proprietary or non-standard mechanisms, OpenVPN has a modular concept both for underlying security and networking. OpenVPN uses the secure, stable, and lauded SSL/TLS mechanisms for authentication and encryption, and does not suffer from the complexity that characterizes other VPN implementations like market leader IPsec. At the same time, it offers possibilities that go beyond every other VPN implementation's scope:
Layer 2 and Layer 3 VPN: OpenVPN offers two basic modes, which run either as Layer 2 or Layer 3 VPN. Thus OpenVPN tunnels can also transport Ethernet Frames, IPX packets, and Windows Network Browsing packets (NETBIOS), all of which are problems in most other VPN solutions.
Protecting field workers with the internal firewall: A field worker connected to the central branch of his or her company with a VPN tunnel can change the network setup on his or her laptop, so that...