PPTP, L2TP, OpenVPN's, SSH advantages and disadvantages

PPTP connection, disconnect the speed requirements, firewall, router support, network requirements.

L2TP: penetrating power, network anti-flash function applies to PPTP can not use environment.

OpenVPN: able to penetrate into the most suitable for the campus network, limited company LAN network environment, you first install virtual NIC.

 

SSH: local agent, suitable for browsing the web and watch videos, software and browser you need to use SSH connection.