Description

This function returns the port which corresponds to service for the specified protocol as per /etc/services.

Parameter

• string $service - name of the service to check

• string $protocol - access protocol

Return value

integer - port number of the service

Note

This function can be called statically.

The port number is retrieved from the machine where Net_Portscan is executed, not from the remote host, which you possibly used in Net_Portscan::checkPort().