Diffie Hellman Choose which Diffie Hellman protocol you want to use
for Phase 1.
Key Life Time Enter the life time for the key. After this time interval,
the key will expire.
PFS If you select “On,” the keys that protect data
transmission are not used to derive additional keys.
Also, seeds used to create data transmission keys are
not re-used.
Click “OK” at the bottom of the screen to save the above configurations.
3.8.2 L2TP Server
The Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point
Tunneling Protocol (PPTP). By enable this server, you can enable the operation
of a virtual private network (VPN) over the Internet.
