Layer 2 Tunneling Protocol - Wikipedia

10 Protocols of VPN | IPSec, PPTP, L2TP, MPLS etc. ⋆ IpCisco Internet Protocol Security (IPSec) One of the most important Protocols of VPN is IPSec. IPSec is a … PPTP and L2TP - Fortinet A virtual private network (VPN) is a way to use a public network, such as the Internet, as a vehicle to provide remote offices or individual users with secure access to private networks. FortiOS supports the Point-to-Point Tunneling Protocol (PPTP), which enables interoperability between FortiGate units and Windows or Linux PPTP clients. What is a VPN port? | VPNpro

What ports are used by your VPN service? - Knowledgebase

Which is the Best VPN Protocol? PPTP vs. OpenVPN vs. L2TP

PPTP vpn ports - Cisco Community

Avast SecureLine Firewall Ports Mar 27, 2013