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connecting to you to use (when acting as a server). When using PAP, the password is sent
unencrypted, whilst CHAP encrypts the password before sending, and also allows for
challenges at different periods to ensure that the client has not been
replaced by an intruder.
Data Encryption: Data sent over the VPN connection can be encrypted by an MPPE
algorithm.
Default is
Auto, so that this setting is negotiated when establishing a connection, or else you
can manually Enable or Disable encryption.
Key Length: The data can be encrypted by MPPE algorithm with 40 bits or 128 bits. Default
is Auto , it is negotiated when establishing a connection. 128 bit keys provide stronger
encryption than 40 bit keys.
Mode: You may select Stateful or Stateless mode. The key will be changed every 256
packets when you select Stateful mode. If you select Stateless mode, the key will be
changed in each packet.
Idle Time : Auto-disconnect the VPN connection when there is no activity on the connection
for a predetermined period of time. 0 means this connection is always on.
Active as default route : Enables the default route.
Click Apply button to apply your changes.
An Example of Configuring a Remote Access PPTP VPN Dial-in
Connection
Background of the Example
A remote worker establishes a PPTP VPN connection with the head office using Microsoft's
VPN Adapter, a piece of software included with Windows 2000/ME, etc. The Router is
installed in the Office Lan, connected to a couple of PCs and Servers.