Anti-Tailgating At Doors With Input Signals

The anti-tailgating feature is supported from the BioStar 2.7.8 and the latest firmware of Suprema devices. To use this feature, you need to upgrade both BioStar 2 and device firmwares to the versions listed below or above.


When you match both BioStar 2 server and device firmware version, you can configure anti-tailgating feature in 'Door' and 'Device'.


1. Anti-tailgating at door

In the door configuration page, you can see the anti-tailgating feature as below.
You can configure anti-tailgating as an exit button or a door sensor.


  • If there is an input and the anti-tailgating feature is 'ON', you can see the Access Denied(Anti-Tailgating) in Event Log.
  • Note: The anti-tailgating feature is supported when the input is on, however, there is no 'Input Detected' log.


  • Alarm and Trigger & Action event for doors are not supported by the anti-tailgating feature.

2. Anti-tailgating on the device

With the supporting firmware version, you can configure the Trigger & Action for devices with the anti-tailgating feature.

  • BioStar 2 - Device - (Choose your device) - Advanced - Trigger & Action


  • If you try to re-add the anti-tailgating feature configured device in the lower BioStar 2 version, you need to do factory reset the device.