PROTOCOLS(5) - File Formats Manual #
PROTOCOLS(5) - File Formats Manual
NAME #
protocols - protocol name database
DESCRIPTION #
The protocols file contains information regarding the known protocols used in the Internet. For each protocol, a single line should be present with the following information:
official protocol name
protocol number
aliases
Items are separated by any number of blanks and/or tab characters.
A hash mark
(’#’)
indicates the beginning of a comment; subsequent characters up to the
end of the line are not interpreted by the routines which search the file.
Protocol names may contain any printable character other than a field delimiter, newline, or comment character.
FILES #
/etc/protocols
SEE ALSO #
HISTORY #
The protocols file format appeared in 4.2BSD.
BUGS #
A name server should be used instead of a static file.
Lines in
/etc/protocols
are limited to
BUFSIZ
characters (currently 1024).
Longer lines will be ignored.
OpenBSD 7.5 - March 3, 2019