Agent
Central communication is also a one way communication. The agent contacts the Central. It runs three threads to contact the Central. Go through the table given below to know the functionality and the time interval of each thread.
Thread
Functionality
Time interval
Thread 1
Checks whether any configuration is assigned to the device
5 mins once
Thread 2
Sends the collected data
5 mins once
Thread 3
Check whether any request of remote control connection is created
30 seconds once
The Agent contacts the central via port 443 for (i) checking the configurations assigned to it and (ii) sending the collected data. It uses port 8443 to establish remote control connection. Hence, 8443 outbound port should be opened for remote control operations. The communication is fully SSL encrypted.