/etc/protocols
protocols5
Protocol name database
Overview
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
Releases
61 releases since OpenBSD 2.1; the text changed 8 times.