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.\" @(#)protocols.5 8.1 (Berkeley) 6/5/93 29.\" $FreeBSD: src/share/man/man5/protocols.5,v 1.3.2.2 2001/08/17 13:08:47 ru Exp $ 30.\" $DragonFly: src/share/man/man5/protocols.5,v 1.3 2006/02/17 19:37:10 swildner Exp $ 31.\" 32.Dd June 5, 1993 33.Dt PROTOCOLS 5 34.Os 35.Sh NAME 36.Nm protocols 37.Nd protocol name data base 38.Sh DESCRIPTION 39The 40.Nm 41file contains information regarding the known protocols used in the 42.Tn DARPA 43Internet. For each protocol a single line should be present 44with the following information: 45.Bd -unfilled -offset indent 46official protocol name 47protocol number 48aliases 49.Ed 50.Pp 51Items are separated by any number of blanks and/or 52tab characters. A ``#'' indicates the beginning of 53a comment; characters up to the end of the line are 54not interpreted by routines which search the file. 55.Pp 56Protocol names may contain any printable 57character other than a field delimiter, newline, 58or comment character. 59.Sh FILES 60.Bl -tag -width /etc/protocols -compact 61.It Pa /etc/protocols 62The 63.Nm 64file resides in 65.Pa /etc . 66.El 67.Sh SEE ALSO 68.Xr getprotoent 3 69.Sh HISTORY 70The 71.Nm 72file format appeared in 73.Bx 4.2 . 74.Sh BUGS 75A name server should be used instead of a static file. 76