PPTP

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Introduction

The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP has been made obsolete by Layer 2 Tunneling Protocol (L2TP) and IPSec. [1]

For an alternative, have a look at the OpenVPN article.

Security

A PPTP implementation may not fulfill enterprise class security requirements [2] but for home-use or for implementations that do not rely on high encryption grades should be sufficient. One of the big advantages of using PPTP over OpenVPN with DD-WRT is that PPTP is supported out-of-the-box for 4Mb firmware images and up.


DD-WRT Resources

A good article explaining the implementation of a PPTP server for roadwarrior (aka remote) client access.

A article explaining the implementation of a PPTP bridge over the WAN for two or more DD-WRT routers.