Using SSL/TLS (Explicit FTPS or FTPES) is mandatory
The maximum number of simultaneous connections from 1 IP address is 3
The maximum number of simultaneous connections of 1 user is 3
The maximum number of simultaneous connections from different IP addresses of 1 user is 3
The maximum number of simultaneous non-authentified connections from 1 IP address is 3
Range of TCP ports for passive mode - 50000-51000
Time out of connection in idle mode - 10 minutes