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.\" @(#)protocols.5 8.1 (Berkeley) 6/5/93 33.\" $FreeBSD: src/share/man/man5/protocols.5,v 1.3.2.2 2001/08/17 13:08:47 ru Exp $ 34.\" $DragonFly: src/share/man/man5/protocols.5,v 1.3 2006/02/17 19:37:10 swildner Exp $ 35.\" 36.Dd June 5, 1993 37.Dt PROTOCOLS 5 38.Os 39.Sh NAME 40.Nm protocols 41.Nd protocol name data base 42.Sh DESCRIPTION 43The 44.Nm 45file contains information regarding the known protocols used in the 46.Tn DARPA 47Internet. For each protocol a single line should be present 48with the following information: 49.Bd -unfilled -offset indent 50official protocol name 51protocol number 52aliases 53.Ed 54.Pp 55Items are separated by any number of blanks and/or 56tab characters. A ``#'' indicates the beginning of 57a comment; characters up to the end of the line are 58not interpreted by routines which search the file. 59.Pp 60Protocol names may contain any printable 61character other than a field delimiter, newline, 62or comment character. 63.Sh FILES 64.Bl -tag -width /etc/protocols -compact 65.It Pa /etc/protocols 66The 67.Nm 68file resides in 69.Pa /etc . 70.El 71.Sh SEE ALSO 72.Xr getprotoent 3 73.Sh HISTORY 74The 75.Nm 76file format appeared in 77.Bx 4.2 . 78.Sh BUGS 79A name server should be used instead of a static file. 80