nadzoring.network_base.service_on_port module

Service name resolution for port numbers.

nadzoring.network_base.service_on_port.get_service_on_port(port: int) → str

Get the service name associated with a given port number.

Attempts to determine the standard service name (e.g., ‘http’, ‘https’, ‘ssh’) for the specified port number using the system’s service database.

Parameters:

port – The port number to look up. Must be in range 0-65535.

Returns:

The service name if found, otherwise returns “unknown”. Service names are typically lowercase strings like ‘http’, ‘ssh’, etc.

Examples

>>> get_service_on_port(80)
'http'
>>> get_service_on_port(22)
'ssh'
>>> get_service_on_port(9999)
'unknown'