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Telnet Extended Options: List Option (RFC0861)

IP.com Disclosure Number: IPCOM000003909D
Original Publication Date: 1983-May-01
Included in the Prior Art Database: 2019-Feb-14
Document File: 2 page(s) / 2K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Postel: AUTHOR [+1]

Related Documents

10.17487/RFC0861: DOI

Abstract

This Telnet Option provides a mechanism for extending the set of possible options. This RFC specifies a standard for the ARPA Internet community. Hosts on the ARPA Internet are expected to adopt and implement this standard. Obsoletes NIC 16239.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 68% of the total text.

Network Working Group J. Postel Request for Comments: 861 J. Reynolds ISI Obsoletes: NIC 16239 May 1983

TELNET EXTENDED OPTIONS - LIST OPTION

This RFC specifies a standard for the ARPA Internet community. Hosts on the ARPA Internet are expected to adopt and implement this standard.

1. Command Name and Code

EXTENDED-OPTIONS-LIST (EXOPL) 255

2. Command Meanings

IAC DO EXOPL

The sender of this command REQUESTS that the receiver of this command begin negotiating, or confirms that the receiver of this command is expected to begin negotiating, TELNET options which are on the "Extended Options List".

IAC WILL EXOPL

The sender of this command requests permission to begin negotiating, or confirms that it will begin negotiating, TELNET options which are on the "Extended Options List".

IAC WON’T EXOPL

The sender of this command REFUSES to negotiate, or to continue negotiating, options on the "Extended Options List".

IAC DON’T EXOPL

The sender of this command DEMANDS that the receiver conduct no further negotiation of options on the "Extended Options List".

IAC SB EXOPL <subcommand>

The subcommand contains information required for the negotiation of an option of the "Extended Options List". The format of the subcommand is discussed in section 5 below.

3. Default

WON’T EXOPL, DON’T EXOPL

Postel & Reynolds [Page 1]

RFC 861 May 1983

Negotiation of options on the "Extended Options List" is not permitted.

4. Motivation for the Option

Eventually, a 257th TELNET option will be needed. This option will extend the option list for another 256 options in a manne...

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