WhatsApp is free communication software. It's function is such that it can allow users to bypass Exinda Control Processes, even after creating a Policy to block the traffic.
Hotspot Shield can be blocked by the following steps:
- Block UDP and TCP: 5222, 5223, 5228, and 3478.
- Create a Policy to block traffic for the following:
- whatsapp application objects.
- whatsapp-audio objects.
- whatsapp-video objects.
These can all be done through creating an application object and then using that application object in a block policy.