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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)services.5 8.1 (Berkeley) 6/5/93 33.\" $FreeBSD$ 34.\" 35.Dd June 5, 1993 36.Dt SERVICES 5 37.Os 38.Sh NAME 39.Nm services 40.Nd service name data base 41.Sh DESCRIPTION 42The 43.Nm 44file contains information regarding 45the known services available in the 46Internet. 47For each service a single line should be present 48with the following information: 49.Bd -unfilled -offset indent 50official service name 51port number 52protocol name 53aliases 54.Ed 55.Pp 56Items are separated by any number of blanks and/or tab characters. 57The port number and protocol name are considered a single 58.Em item ; 59a ``/'' is used to 60separate the port and protocol (e.g.\& ``512/tcp''). 61A ``#'' indicates the beginning of 62a comment; subsequent characters up to the end of the line are 63not interpreted by the routines which search the file. 64.Pp 65Service names may contain any printable 66character other than a field delimiter, newline, 67or comment character. 68.Sh NIS INTERACTION 69Access to the NIS 70.Pa services.byname 71map can be enabled by adding a single ``+'' on a line by itself 72in the 73.Pa /etc/services 74file. 75This causes the contents of the NIS services map to be inserted 76at the location where the ``+'' appears. 77.Sh FILES 78.Bl -tag -width /etc/services -compact 79.It Pa /etc/services 80The 81.Nm 82file resides in 83.Pa /etc . 84.El 85.Sh SEE ALSO 86.Xr getservent 3 87.Sh HISTORY 88The 89.Nm 90file format appeared in 91.Bx 4.2 . 92.Sh BUGS 93A name server should be used instead of a static file. 94