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getservbyport

Get Internet service which corresponds to port and protocol (PHP 4, PHP 5)
string getservbyport ( int port, string protocol )

getservbyport() returns the Internet service associated with port for the specified protocol as per /etc/services.

Parameters

port

The port number.

protocol

protocol is either "tcp" or "udp" (in lowercase).

Return Values

Returns the Internet service name as a string.