Prestige 794M User’s Guide
Chapter 7 VPN
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The following table describes the labels in this screen.
Table 41
VPN: PPTP: Remote Access
LABEL
DESCRIPTION
Connection Name Enter a descriptive name for identification purposes.
Type
Select
Dial Out
if you want your Prestige to operate as a client (connecting to a
remote VPN device).
Select
Dial In
to allow computers to establish a VPN connection to the Prestige.
Server IP
Address (or
Domain
Name)
This field is applicable when you select
Dial
Out
in the
Type
field
Enter the IP address or the domain name of the remote VPN device.
Private IP
Address
Assigned to
Dialin User
This field is applicable when you select
Dial
In
in the
Type
field.
Enter the IP address (in dotted decimal notation) to assign to the remote VPN
client that initiates the VPN connection. For example, 192.168.1.10.
Username
If you select
Dial Out
in the
Type
field, enter the username provided.
If you select
Dial In
in the
Type
field, enter a username to be used when
establishing a VPN connection.
Password
Enter the password associated with the username above.
PPP
Authentication
Type
Specify the authentication type to use when accepting or establishing a VPN
connection. Choices are
PAP
(Password Authentication Protocol) and
CHAP
(Challenge Handshake Authentication Protocol). The default is
CHAP
.
When you select PAP, password is sent unencrypted. While CHAP provides better
security by encrypting the password before transmission and reauthenticates the
VPN client to protect against identity theft.
Data Encryption
You can set the Prestige to encrypt data sent over the VPN connection using
MPPE (Microsoft Point to Point Encryption).
Select
Auto
to set the Prestige to automatically detect whether the remote VPN
device uses data encryption.
Select
Enable
to activate data encryption on the Prestige. Make sure the remote
VPN device also has data encryption activated with the same encryption settings
as the Prestige.
Select
Disable
to deactivate data encryption on the Prestige. You cannot establish
a VPN connection if data encryption in enabled on the remote VPN device.
Key Length
Specify the key length for data encryption. Choices are
Auto
,
40 bits
and
128
bits
.
Select
Auto
to set the Prestige to automatically detect the key length used by the
remote VPN device.
Otherwise select
40 bits
or
128 bits
(for stronger encryption) to set the key length
manually.
Note:
Make sure the key length is the same on the Prestige and the
remote VPN device.
Mode
Specify the encryption mode. Choices are
Stateful
and
Stateless
.
Select
Stateful
to use a different encryption key after 256 packets of data
transmitted.
Select
Stateless
to use a different encryption key for each packet.
