Virtual Private Networking Using IPSec Connections
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ProSecure Unified Threat Management (UTM) Appliance
4. Click Apply to use the new settings immediately, and click Save to keep the settings for
future use.
Configure the Mode Config Global Parameters
 To specify the global parameters:
1. Click Global Parameters in the left column of the Configuration Panel screen. The
Global Parameters pane displays in the Configuration Panel screen.
Figure 177.
Subnet mask Enter 255.255.255.0 as the remote subnet mask of the UTM that opens the VPN
tunnel. This is the LAN IP subnet mask that you specified in the Local Subnet Mask
field on the Add Mode Config Record screen of the UTM. If you left the Local
Subnet Mask field blank, enter the UTM’s default IP subnet mask.
ESP Encryption Select 3DES as the encryption algorithm from the drop-down list.
Authentication Select SHA-1 as the authentication algorithm from the drop-down
list.
Mode Select Tunnel as the encapsulation mode from the drop-down list.
PFS and Group Select the PFS check box, and then select the DH2 (1024) key group from the
drop-down list.
Note: On the UTM, this key group is referred to as Diffie-Hellman Group 2 (1024
bit).
Table 73. VPN client IPSec configuration settings (Mode Config) (continued)
Setting Description
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