getservbyport

(PHP 4, PHP 5)

getservbyport --  Get Internet service which corresponds to port and protocol

Description

string getservbyport ( int port, string protocol )

getservbyport() returns the Internet service associated with port for the specified protocol as per /etc/services. protocol is either "tcp" or "udp" (in lowercase).

See also: getservbyname().


add a note add a note User Contributed Notes
q9603062 at topaz dot cqu dot edu dot au
16-Jan-2001 06:28
Like the previous post of palands, the protcol tcp must be in lower case, either quoted or unquoted..

Example:
$value=getservbyport(31337, "tcp");

Uppercase will not work.
paland at stetson dot edu
30-Nov-2000 08:00
Example:
$value=getservbyport(137, "udp");

The same goes for getservbyname()