How Virtual Private Networks Work - Cisco

Encryption and Security Protocols in a VPN | HowStuffWorks May 24, 2019 Networking 101: Understanding Tunneling Aug 03, 2006 The PPTP VPN protocol: Is it safe? - Infosec Resources

What is Point-to-Point Tunneling Protocol (PPTP

L2TP may be a tunnelling protocol that's usually combined with another VPN security protocol like IPSec to make a highly safe VPN connection. L2TP builds a tunnel between two L2TP link points, and IPSec protocol encrypts the information and handles secure transmission between the tunnelling. 3. Point to Point Tunneling Protocol (PPTP):

May 24, 2019

[MS-SSTP]: Secure Socket Tunneling Protocol (SSTP Specifies the Secure Socket Tunneling Protocol (SSTP), which is a mechanism to transport data-link layer (L2) frames on a Hypertext Transfer Protocol over Secure Sockets Layer (HTTPS) connection. This page and associated content may be updated frequently. Layer 2 Tunneling Protocol - Wikipedia In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel … Point-to-Point Tunneling Protocol - Wikipedia The Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks. PPTP has many well known security issues. PPTP uses a TCP control channel and a Generic Routing Encapsulation tunnel to encapsulate PPP packets. Many modern VPNs use various forms of UDP for this same functionality. Types of Virtual Private Network (VPN) and its Protocols