Configure remote authentication through RADIUS

The ExtraHop system supports Remote Authentication Dial In User Service (RADIUS) for remote authentication and local authorization only. For remote authentication, the ExtraHop system supports unencrypted RADIUS and plaintext formats.

1. Log in to the Administration settings on the ExtraHop system through https://<extrahop-hostname-or-IP-address>/admin.
2. In the Access Settings section, click Remote Authentication.
3. From the Remote authentication method drop-down list, select RADIUS and then click Continue.
4. On the Add RADIUS Server page, type the following information:

   Host

   The hostname or IP address of the RADIUS server. Make sure that the DNS of the ExtraHop system is properly configured if you specify a hostname.

   Secret

   The shared secret between the ExtraHop system and the RADIUS server. Contact your RADIUS administrator to obtain the shared secret.

   Timeout

   The amount of time in seconds that the ExtraHop system waits for a response from the RADIUS server before attempting the connection again.

5. Click Add Server.
6. (Optional): Add additional servers as needed.
7. Click Save and Finish.
8. From the Privilege assignment options drop-down list, choose one of the following options:
   • Remote users have full write access

     This option grants remote users full write access to the ExtraHop system. In addition, you can grant additional access for packet downloads, TLS session keys, NDR module access, and NPM module access.

   • Remote users have full read-only access

     This option grants remote users read-only access to the ExtraHop system. In addition, you can grant additional access for packet downloads, TLS session keys, NDR module access, and NPM module access.

9. (Optional): Configure packet and session key access. Select one of the following options to allow remote users to download packet captures and TLS session keys.
   • No access
   • Packet slices only
   • Packets only
   • Packets and session keys
10. (Optional): Configure NDR and NPM module access.
    • No access
    • Full access
11. Click Save and Finish.
12. Click Done.