You can limit the number of sessions on the domain here.
Max number of sessions
Limit the number of sessions logged on this domain simultaneously.
Max session Per IP
Limit the number of sessions from the same IP.
Max sessions per user account
Specifies the maximum number of concurrent sessions that may be opened from a single user account.
Max sessions per IP
Specifies the maximum number of concurrent sessions that a user may open from a single IP address.
Automatic idle connection timeout
When a client has been idle for a specific time, it will be automatically disconnected.