1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)services.5 8.1 (Berkeley) 6/5/93 29.\" $FreeBSD: src/share/man/man5/services.5,v 1.5.2.4 2001/08/17 13:08:47 ru Exp $ 30.\" $DragonFly: src/share/man/man5/services.5,v 1.3 2006/02/17 19:37:10 swildner Exp $ 31.\" 32.Dd June 5, 1993 33.Dt SERVICES 5 34.Os 35.Sh NAME 36.Nm services 37.Nd service name data base 38.Sh DESCRIPTION 39The 40.Nm 41file contains information regarding 42the known services available in the 43Internet. 44For each service a single line should be present 45with the following information: 46.Bd -unfilled -offset indent 47official service name 48port number 49protocol name 50aliases 51.Ed 52.Pp 53Items are separated by any number of blanks and/or tab characters. 54The port number and protocol name are considered a single 55.Em item ; 56a ``/'' is used to 57separate the port and protocol (e.g. ``512/tcp''). 58A ``#'' indicates the beginning of 59a comment; subsequent characters up to the end of the line are 60not interpreted by the routines which search the file. 61.Pp 62Service names may contain any printable 63character other than a field delimiter, newline, 64or comment character. 65.Sh NIS INTERACTION 66Access to the NIS 67.Pa services.byname 68map can be enabled by adding a single ``+'' on a line by itself 69in the 70.Pa /etc/services 71file. 72This causes the contents of the NIS services map to be inserted 73at the location where the ``+'' appears. 74.Sh FILES 75.Bl -tag -width /etc/services -compact 76.It Pa /etc/services 77The 78.Nm 79file resides in 80.Pa /etc . 81.El 82.Sh SEE ALSO 83.Xr getservent 3 84.Sh HISTORY 85The 86.Nm 87file format appeared in 88.Bx 4.2 . 89.Sh BUGS 90A name server should be used instead of a static file. 91