Browse Prior Art Database

Telnet Authentication Option (RFC1409)

IP.com Disclosure Number: IPCOM000002234D
Original Publication Date: 1993-Jan-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 6 page(s) / 12K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Borman: AUTHOR [+2]

Abstract

Status of this Memo

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 22% of the total text.

Network Working Group D. Borman, Editor

Request for Comments: 1409 Cray Research, Inc.

January 1993

Telnet Authentication Option

Status of this Memo

This memo defines an Experimental Protocol for the Internet

community. Discussion and suggestions for improvement are requested.

Please refer to the current edition of the "IAB Official Protocol

Standards" for the standardization state and status of this protocol.

Distribution of this memo is unlimited.

1. Command Names and Codes

AUTHENTICATION 37

IS 0

SEND 1

REPLY 2

NAME 3

Authentication Types

NULL 0

KERBEROS_V4 1

KERBEROS_V5 2

SPX 3

RSA 6

LOKI 10

Modifiers

AUTH_WHO_MASK 1

AUTH_CLIENT_TO_SERVER 0

AUTH_SERVER_TO_CLIENT 1

AUTH_HOW_MASK 2

AUTH_HOW_ONE_WAY 0

AUTH_HOW_MUTUAL 2

2. Command Meanings

This document makes reference to a "server" and a "client". For the

purposes of this document, the "server" is the side of the connection

that did the passive TCP open (TCP LISTEN state), and the "client" is

the side of the connection that did the active open.

IAC WILL AUTHENTICATION

The client side of the connection sends this command to indicate

that it is willing to send and receive authentication information.

IAC DO AUTHENTICATION

The servers side of the connection sends this command to indicate

that it is willing to send and receive authentication information.

IAC WONT AUTHENTICATION

The client side of the connection sends this command to indicate

that it refuses to send or receive authentication information; the

server side sends this command if it receives a DO AUTHENTICATION

command.

IAC DONT AUTHENTICATION

The server side of the connection sends this command to indicate

that it refuses to send or receive authentication information; the

client side sends this command if it receives a WILL

AUTHENTICATION command.

IAC SB AUTHENTICATION SEND authentication-type-pair-list IAC SE

The sender of this command (the server) requests that the remote

side send authentication information for one of the authentication

types listed in "authentication-type-pair-list". The

"authentication-type-pair-list" is an...