MP-20x Telephone Adapter 114 Document #: LTRT-50609
User's Manual
10.3 WAN PPTP
Point-to-Point Tunneling Protocol (PPTP) is a protocol developed by Microsoft targeted at
creating VPN connections over the Internet. This enables remote users to access MP-20x
via any ISP that supports PPTP on its servers. PPTP encapsulates network traffic,
encrypts content using Microsoft's Point-to-Point Encryption (MPPE) protocol that is based
on RC4, and routes using the generic routing encapsulation (GRE) protocol.
With your MP-20x, PPTP is targeted at serving two purposes:
1. Connecting MP-20x to the Internet when it is used as a cable modem, or when using
an external cable modem. Such a connection is established using user name and
password authentication.
2. Connecting MP-20x to a remote network using a Virtual Private Network (VPN) tunnel
over the Internet. This enables secure transfer of data to another location over the
Internet, using user name and password authentication.
10.3.1 Creating a PPTP Connection with the Connection Wizard
¾ To create a new PPTP connection:
1. From the sidebar menu, click the Network Connections menu; the screen 'Network
Connections' opens.
Figure 10-8: Network Connections Screen
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