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This article describes device definitions in Nexus Hybrid Access Gateway.

How is a device definition used?

In Hybrid Access Gateway, devices (laptops, mobile phones, and so on) are used in numerous settings, for example, in access rules to control access for specific devices. Device definitions define how HTTP headers in requests are interpreted to identify specific devices. Device definitions are also used for client firewalls when creating firewall rules to control traffic to and from the Access Client.

Device definitions can be used in client firewall settings, for more information about this, click here.

How does device definitions for clients work?

When creating an access rule of the type client device, you specify one or several devices that the user must use to access a resource protected by the access rule. Devices available for selection are specified on the Manage Device Definitions page in the Manage System section.

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Step-by-step instruction

 Add Device definition
  1. In the Hybrid Access Gateway administration interface, go to Manage System.
  2. Click Manage Device Definition > Add Device Definition.
  3. Go through the steps in the wizard.
 About Device definition for Client firewall

Client firewalls can be used to specify rules based on the path or checksum of the process that is trying to connect to the Internet. To make this possible, you must first add a device definition that specifies the values of the path, and/or checksum of the process. There are two variables that can be used in device definitions that is used by client firewalls. These are:

  • clientfirewall-path
  • clientfirewall-checksum

Only device definitions containing these variables can be used in the client firewall rules.

See also Add device definition for client firewall.