Which port is used for heartbeat communication between the Manager and Agent/VA?

The port used for heartbeat communication between the Manager and Agent/Virtual Appliance (VA) in Trend Micro Deep Security is indeed port 4120. This heartbeat communication is crucial as it ensures that the Manager can continuously monitor the status and performance of the Agent/VA. It allows for timely updates, health checks, and the ability to send configurations or receive alerts.

Maintaining this heartbeat communication over a specific port helps in establishing secure and reliable connections within the deep security infrastructure. It ensures that any changes in the security state of the systems being monitored can be promptly addressed by the Manager. Understanding the specific role of port 4120 is essential for those managing Deep Security deployments, as it is a fundamental aspect of ensuring effective communication and operational oversight between the Manager and its agents.