xref: /netbsd-src/share/man/man5/protocols.5 (revision 8195e6e4c8865b25e65db91a518f59b28b001e08)
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30b5930afcSjtc.\"     @(#)protocols.5	8.1 (Berkeley) 6/5/93
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32*8195e6e4Sjschauma.Dd November 27, 2022
3361f28255Scgd.Dt PROTOCOLS 5
347a1aea16Sgarbled.Os
3561f28255Scgd.Sh NAME
3661f28255Scgd.Nm protocols
3761f28255Scgd.Nd protocol name data base
3861f28255Scgd.Sh DESCRIPTION
3961f28255ScgdThe
4061f28255Scgd.Nm protocols
41*8195e6e4Sjschaumafile contains information regarding the assigned protocol numbers
42*8195e6e4Sjschaumaused by IPv4 and IPv6 to identify the next level protocol.
43*8195e6e4SjschaumaFor each protocol a single line should be present
4461f28255Scgdwith the following information:
4561f28255Scgd.Bd -unfilled -offset indent
4661f28255Scgdofficial protocol name
4761f28255Scgdprotocol number
4861f28255Scgdaliases
4961f28255Scgd.Ed
5061f28255Scgd.Pp
5161f28255ScgdItems are separated by any number of blanks and/or
5271e62d7dSlukemtab characters.  A hash
5371e62d7dSlukem.Pq Dq \&#
5471e62d7dSlukemindicates the beginning of
5561f28255Scgda comment; characters up to the end of the line are
5661f28255Scgdnot interpreted by routines which search the file.
5761f28255Scgd.Pp
5861f28255ScgdProtocol names may contain any printable
5961f28255Scgdcharacter other than a field delimiter, newline,
6061f28255Scgdor comment character.
6161f28255Scgd.Sh FILES
6261f28255Scgd.Bl -tag -width /etc/protocols -compact
6361f28255Scgd.It Pa /etc/protocols
6461f28255ScgdThe
6561f28255Scgd.Nm protocols
6661f28255Scgdfile resides in
6761f28255Scgd.Pa /etc .
6861f28255Scgd.El
6961f28255Scgd.Sh SEE ALSO
7061f28255Scgd.Xr getprotoent 3
71*8195e6e4Sjschauma.Rs
72*8195e6e4Sjschauma.%R RFC 2780
73*8195e6e4Sjschauma.%D March 2000
74*8195e6e4Sjschauma.%T "IANA Allocation Guidelines For Values In the \
75*8195e6e4SjschaumaInternet Protocol and Related Headers"
76*8195e6e4Sjschauma.Re
77*8195e6e4Sjschauma.Rs
78*8195e6e4Sjschauma.%R RFC 5237
79*8195e6e4Sjschauma.%D February 2008
80*8195e6e4Sjschauma.%T "IANA Allocation Guidelines for the Protocol Field"
81*8195e6e4Sjschauma.Re
8261f28255Scgd.Sh HISTORY
8361f28255ScgdThe
8461f28255Scgd.Nm
8561f28255Scgdfile format appeared in
86*8195e6e4Sjschauma.Bx 4.2 ,
87*8195e6e4Sjschaumadescribing the "known protocols used in the DARPA
88*8195e6e4SjschaumaInternet".
8942704c41Swiz.Sh BUGS
9042704c41SwizA name server should be used instead of a static file.
91