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97759ccc71
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
85 lines
2.8 KiB
Groff
85 lines
2.8 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd December 7, 2020
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.Dt PROTOCOLS 5
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.Os
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.Sh NAME
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.Nm protocols
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.Nd protocol name data base
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.Sh DESCRIPTION
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The
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.Nm
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file contains information regarding the assigned protocol numbers
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used by IPv4 and IPv6 to identify the next level protocol.
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For each protocol a single line should be present
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with the following information:
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.Bd -unfilled -offset indent
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official protocol name
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protocol number
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aliases
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.Ed
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.Pp
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Items are separated by any number of blanks and/or
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tab characters.
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A ``#'' indicates the beginning of
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a comment; characters up to the end of the line are
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not interpreted by routines which search the file.
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.Pp
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Protocol names may contain any printable
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character other than a field delimiter, newline,
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or comment character.
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.Sh FILES
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.Bl -tag -width /etc/protocols -compact
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.It Pa /etc/protocols
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The
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.Nm
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file resides in
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.Pa /etc .
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.El
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.Sh SEE ALSO
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.Xr getprotoent 3
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.Rs
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.%R RFC 2780
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.%D March 2000
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.%T "IANA Allocation Guidelines For Values In the \
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Internet Protocol and Related Headers"
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.Re
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.Rs
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.%R RFC 5237
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.%D February 2008
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.%T "IANA Allocation Guidelines for the Protocol Field"
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.Re
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.Sh HISTORY
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The
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.Nm
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file format appeared in
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.Bx 4.2 ,
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describing the "known protocols used in the DARPA Internet".
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.Sh BUGS
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A name server should be used instead of a static file.
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