WebSerial API
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WebSerial API

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WebSerial API

Prisma Browser DesktopPrisma Browser ExtensionPrisma Browser for Mobile
Full supportNo support No support
The WebSerial API provides a method for websites to read from and write to serial devices. The devices can be connected via serial port, or by USB or Bluetooth devices that emulate a serial port.
This anti-exploitation policy controls the use of the WebSerial API, which can be potentially exploited.
Disabling WebSerial API may impact different websites using it in a legitimate way.
When a user attempts to access a domain that is blocked, they will receive an on-screen notification, and a Log event will be created.
  1. From Strata Cloud Manager, select ConfigurationPrisma Browser PolicyControlsBrowser Security
  2. Select WebSerial API.
  3. Select one of the following options:
    • Allow - Permit use of the WebSerial API.
    • Block - Block use of the WebSerial API.
  4. Click Set.