ZyWALL User's Guide

Chapter 26 L2TP VPN Example
ZyWALL USG 100/200 Series User’s Guide
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1 Click Start > Run. Type regedit and click OK.
Figure 320 Starting the Registry Editor
2 Click Registry > Export Registry File and save a backup copy of your registry. You
can go back to using this backup if you misconfigure the registry settings.
3 Select
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Rasman\Parame
ters.
Figure 321 Registry Key
4 Right-click Parameters and select New > DWORD Value.
Figure 322 New DWORD Value
5 Enter ProhibitIpSec as the name. And make sure the Data displays as 0’s.