The login-password authorization is set for ports 9000-9999 (1000 ports). It is usually used for manual, quick integration and includes the following parameters:
Ports: from 9000 and up to 9999 (depends on the number of ports available for your package).
Protocols - HTTP or SOCKS5.
Take a look at the following video to learn how to connect via login/pass.
IP authorization requires the following parameters:
Whitelisting your IP address
Port number - starting from 10000
Take a look at the following video to fully understand how our IP authorization works.