Point to Point Tunneling Protocol [PPTP]

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Aa secure protocol running over TCP/IP that allows a remote office with its own private network to connect to a server on another, separate private network, both firewalled.

It is a lower-cost alternative to a leased line between the two offices, and allows all information that would be routed to machines on the remote network to go out over the internet connection secured to the other office. The firewall changes would be relatively simple: choose the port over which the PPTP will run, open it on both firewalls, route it to the server that handles it, and voila! you have a VPN.



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