Applicable Version: 10.00 onwards
You can enforce authentication upon users by stopping all unauthenticated traffic from passing through Cyberoam. You can block unauthenticated traffic by configuring the LAN_WAN_AnyTraffic Firewall Rule, i.e., Default Firewall Rule No. 1, to drop all traffic.
If users have the ISP DNS configured in their systems, create a firewall rule to allow DNS traffic from LAN to WAN.
Document Version: 1.0 – 03/08/2012