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Creating an IPSec Subnet VPN

Note: This topic applies to the Inverness Release.

Note: A Unified Threat Management serial is required to configure VPNs. For more information, contact your Smoothwall representative.

Typically, you use an IPSec subnet VPN to create a secure, encrypted tunnel between subnets, such as between two Smoothwall appliances located at a head office and a branch.

However, when creating a tunnel from the Smoothwall to another type of network appliance, the following recommendations are made:

Setting

Selection

Encryption

AES

Authentication type

ESP

Hashing algorithm

SHA1

Perfect Forward Secrecy

Enabled

Compression

Enabled — Unless predominant VPN traffic is already encrypted or compressed