Netgear UTM9S – ProSECURE Unified Threat Management (UTM) Appliance with DSL and Wireless modules Manual De Referência

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Virtual Private Networking Using IPSec Connections
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 ProSecure Unified Threat Management (UTM) Appliance
4. 
Configure a VPN policy on the remote gateway that allows connection to the UTM.
5. 
Activate the IPSec VPN connection:
a. Select Monitoring > Active Users & VPNs > IPSec VPN Connection Status. The 
IPSec VPN Connection Status screen displays. (The UTM9S also shows the PPTP 
Active Users and L2TP Active Users tabs.)
Figure 140.  
b.  Locate the policy in the table, and click the Connect table button. The IPSec VPN 
connection becomes active.
Note:  
When using FQDNs, if the Dynamic DNS service is slow to update 
its servers when your DHCP WAN address changes, the VPN tunnel 
will fail because the FQDNs do not resolve to your new address. If 
you have the option to configure the update interval, set it to an 
appropriately short time.
Create a Client-to-Gateway VPN Tunnel
Figure 141.