how to check log files and connected users ?

[s4miii]

Thank you so much because of your great job

I have 3 questions,

1. is there any way to check who is connected to our service ? how to set one key per user ?
2. where is the location of log files ?
3. as I see outline open these ports : 9090,9091,9092,49982,62350 may I ask you to explain them ?

thnx

[skala-vl]

Hi! Did you manage to find answers to the questions?