+.\" Copyright (c) 1983 Regents of the University of California.
+.\" All rights reserved. The Berkeley software License Agreement
+.\" specifies the terms and conditions for redistribution.
+.\"
+.\" @(#)protocols.5 5.1 (Berkeley) %G%
+.\"
+.TH PROTOCOLS 5 "15 January 1983"
+.UC 5
+.SH NAME
+protocols \- protocol name data base
+.SH DESCRIPTION
+The
+.I protocols
+file contains information regarding the known protocols used in the DARPA
+Internet. For each protocol a single line should be present
+with the following information:
+.HP 10
+official protocol name
+.br
+.ns
+.HP 10
+protocol number
+.br
+.ns
+.HP 10
+aliases
+.PP
+Items are separated by any number of blanks and/or
+tab characters. A ``#'' indicates the beginning of
+a comment; characters up to the end of the line are
+not interpreted by routines which search the file.
+.PP
+Protocol names may contain any printable
+character other than a field delimiter, newline,
+or comment character.
+.SH FILES
+/etc/protocols
+.SH "SEE ALSO"
+getprotoent(3N)
+.SH BUGS
+A name server should be used instead of a static file.
+A binary indexed file format should be available for fast access.