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User Manual of WNAP-7320
Lifetime settings determine when a new key is generated. Any time a key
lifetime is reached, the associated SA is also renegotiated. The process
of generating new keys at intervals is called dynamic rekeying or key
 IPSec Key Life time
regeneration. Lifetimes allow you to force the generation of a new key
after a specific interval. For example, if the communication takes 12
hours and you specify the key lifetime as 1 hour, 12 keys will be
generated (one every 1 hour) during the exchange.
NAT Traversal also known as UDP encapsulation allows traffic to get to
 NAT Traversal
the specified destination when a device does not have a public address.
This is usually the case if your ISP is doing NAT, or the external interface
of your firewall is connected to a device that has NAT enabled.
 Perfect Forward
Secrets
 IPSec Compression
 IPSec Conn. Keep
Alive
 IPSec Tunnel UP
Select the checkbox to enable PFS (Perfect Forward Secrets).
Select the checkbox to enable compression of content on the connection.
When the firewall is located behind a NAT device, it sends keep alive
packets to maintain the connection. You can also force it to send keep
alive packets for all NAT-T connections.
This field indicates the IPSec Tunnel is UP and running.
5.5.1.5. PPTP
If your ISP provides PPTP connection, please select PPTP. And enter the following parameters.
Figure 5-5-6
The page includes the following fields:
Object
Description
 WAN Connections
Select PPTP from the list.
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