Perle Systems STS, SCS manual Exceptions

VPN

Remote Validation	Depending on the Authentication Method:
Criteria	Shared Secret—Specify the text-based secret that is used to authenticate the
	IPsec tunnel (case sensitive). This applies to all VPN tunnels (IPsec and
	L2TP/IPsec).
	X.509 Certificate—Specify the remote X.509 certificate validation criteria
	that must match for successful authentication (case sensitive). Note that all
	validation criteria must be configured to match the X.509 certificate. An
	asterisk (*) is valid as a wildcard.
	See Shared Secret Field Description on page 225 for more information.
	See Remote Validation Criteria Field Descriptions on page 226 for more
	information on the X.509 certificate validation criteria.
IPv4 Local IP	Specify the unique IPv4 address that hosts accessing the IOLAN through the
Address	L2TP tunnel will use.
	Field Format: IPv4 address
IPv4 Remote IP	Specify the first IPv4 address that can be assigned to incoming hosts through
Start Address	the L2TP tunnel.
	Field Format: IPv4 address
IPv4 Remote IP	Specify the end range of the IPv4 addresses that can be assigned to incoming
End Address	hosts through the L2TP tunnel.
	Field Format: IPv4 address
Authentication	Specify the authentication method that will be used for the L2TP tunnel.
	Data Options: CHAP, PAP, Both
	Default: Both

Exceptions

Exceptions allow specific hosts or any host in a network to access the IOLAN outside of a VPN tunnel. This is especially useful when allowing local network hosts access to the IOLAN when VPN tunnels have been configured for remote user security.

Field Descriptions

The following buttons are available:

Add Button	Click the Add button to add a VPN exception to the Exception List.
Edit Button	Highlight an Exception List entry and click the Edit button to change the
	entry.

228 IOLAN SDS/SCS/STS User’s Guide, Version 3.6