OID value: 1.3.6.1.1.1.2.3
OID description:
Abstraction an Internet Protocol service.
Maps an IP port and protocol (such as tcp or udp)
to one or more names; the distinguished value of
the cn attribute denotes the service"s canonical
name
MUST ( cn $ ipServicePort $ ipServiceProtocol )
MAY ( description )
URL for further info: http://www.cis.ohio-state.edu/htbin/rfc/rfc2307.html
See also the OID Repository website reference for 1.3.6.1.1.1.2.3