protocols - protocol name database
The protocols file contains information regarding the known
used in the DARPA Internet. For each protocol, a single
line should be
present with the following information:
official protocol name
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
which search the file.
Protocol names may contain any printable character other
than a field delimiter,
newline, or comment character.
The protocols file format appeared in 4.2BSD.
A name server should be used instead of a static file.
/etc/protocols are limited to BUFSIZ characters (currently
lines will be ignored.
OpenBSD 3.6 June 5, 1993
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