Name

protocols - protocol name data base

Description

The protocols file contains information regarding the known protocols used in the DARPA 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 ``#'' indicates the beginning of a comment; characters up to the end of the line are not interpreted by routines which search the file.

Protocol names may contain any printable character other than a field delimiter, newline, or comment character.

Files

/etc/protocols The protocols file resides in /etc.

See Also

getprotoent(3)

Bugs

A name server should be used instead of a static file.

History

The protocols file format appeared in 4.2BSD.

Table of Contents

• Name
• Description
• Files
• See Also
• Bugs
• History