Iphone L2tp Vpn

iphone
The iPhone is a line of Internet and multimedia-enabled smartphones designed and marketed by Apple Inc. The first iPhone was introduced on January 9, 2007.
The Linksys iPhone is a line of internet appliances from Cisco Systems. The first iPhone model, released by Infogear in 1998, combined the features of a regular phone and a web terminal.
A combination camera phone, PDA, multimedia player, and wireless communication device made by Apple Inc

l2tp
In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs). It does not provide any encryption or confidentiality by itself; it relies on an encryption protocol that it passes within the tunnel to provide privacy.
L2TP provides security for transmission of sensitive information over unprotected networks such as the Internet.
go on ‘protocols’ page

vpn
Virtual private network
A virtual private network (VPN) is a network that uses a public telecommunication infrastructure and their technology such as the Internet, to provide remote offices or individual users with secure access to their organization's network.
(Virtual Private Network) A private network between two remote sites, over a secure encrypted virtual Internet connection (a tunnel).
A computer network that allows an authorized user that is not physically connected to the office network to securely connect to the network. The process of securely connecting to a VPN is called “tunneling”.