D-Link DFL-500 User Manual page 84

·
Select Create a connection to the network of your workplace and select Next.
·
Select Virtual Private Network Connection and select Next.
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Name the connection and select Next.
· If the Public Network dialog box appears, choose the appropriate initial connection and select Next.
·
In the VPN Server Selection dialog, enter the external IP address or hostname of the DFL-500 to connect
to and select Next.
·
Select Finish.
Configuring the VPN connection
·
Right-click the icon that you have created.
·
Select Properties > Security .
·
Select Typical to configure typical settings.
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Select Require data encryption.
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Select Advanced to configure advanced settings.
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Select Settings.
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Select Challenge Handshake Authentication Protocol (CHAP).
· Make sure none of the other settings are selected.
·
Select the Networking tab.
·
Make sure the following are selected:
·
TCP/IP
· QoS Packet Scheduler
·
Make sure the following options are not selected:
·
File and Printer Sharing for Microsoft Networks
·
Client for Microsoft Networks
Disabling IPsec
· Select the Networking tab.
· Select Internet Protocol (TCP/IP) properties.
·
Double-click the Advanced tab.
·
Go to the Options tab and select IP security properties.
·
Make sure Do not use IPSEC is checked.
· Select OK and close the connection properties window.
The default Windows XP L2TP traffic policy does not allow L2TP traffic without IPSec encryption. You can disable
default behavior by editing the Windows XP Registry as described in the following steps. Please refer to the
Microsoft documentation for editing the Windows Registry.
· Use the registry editor (regedit) to locate the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Rasman\Parameters
·
Add the following registry value to this key:
Value Name: ProhibitIpSec
Data Type: REG_DWORD
Value: 1
·
Save your changes and restart the computer for the changes to take effect.
DFL-500 User Manual
84