services(4)services(4)NAME
services - Defines the sockets and protocols used for Internet services
SYNOPSIS
/etc/services
DESCRIPTION
The /etc/services file associates Internet service names and aliases
with the port number and protocol used by the service. Each service is
listed in this file on a single line of the form:
ServiceName PortNumber/ProtocolName Aliases
The fields contain the following information: The official Internet
service name. The socket port number used for the service and the
transport protocol used for the service. A list of unofficial service
names.
Items on a line are separated by spaces or tabs. Comments begin with a
# (number sign) and continue to the end of the line.
EXAMPLES
Entries in the /etc/services file for the inetd internal services might
look like this:
echo 7/tcp echo 7/udp discard 9/tcp sink
null discard 9/udp sink null daytime 13/tcp daytime
13/udp chargen 19/tcp ttytst source chargen 19/tcp
ttytst source ftp 21/tcp time 37/tcp timeserver
time 37/udp timeserver
SEE ALSO
Functions: endservent(3), getservbyname(3), getservbyport(3), getserā
vent(3), setservent(3)
The RFC923 specification
services(4)