What we like There are major differences between the free and premium VPN solutions, and it’s not just a price. They typically differ in these areas. Layer 2 Tunneling Protocol (L2TP)/IPsec: The L2TP and IPsec protocols combine their best individual features to create a highly secure VPN client. Since L2TP isn't capable of encryption, it instead generates the tunnel while the IPSec protocol handles encryption, channel security, and data integrity checks to ensure all of the packets have arrived and that the channel has not been compromised. 26 reviews Datagram Transport Layer Security (DTLS) – used in Cisco AnyConnect VPN and in OpenConnect VPN[9] to solve the issues SSL/TLS has with tunneling over UDP. Startup Spotlight No data logging A Visual Breakdown of How Iran Censors the Internet Imprint February 13, 2018 at 1:37 am Really easy to use. Quick set-up. Number of servers: 700+