The SYS and AUTH POP Response Codes

Status of this Memo

  This document specifies an Internet standards track protocol for the
  Internet community, and requests discussion and suggestions for
  improvements.  Please refer to the current edition of the "Internet
  Official Protocol Standards" (STD 1) for the standardization state
  and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

  Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

  This memo proposes two response codes: SYS and AUTH, which enable
  clients to unambiguously determine an optimal response to an
  authentication failure.  In addition, a new capability (AUTH-RESP-
  CODE) is defined.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . .  2
   2.  Conventions Used in this Document . . . . . . . . . . . . . . 2
   3.  Background   . . . . . . . . . . . . . . . . . . . . . . . .  2
   4.  The SYS Response Code   . . . . . . . . . . . . . . . . . . . 3
   5.  The AUTH Response Code   . . . . . . . . . . . . . . . . . .  3
   6.  The AUTH-RESP-CODE Capability   . . . . . . . . . . . . . . . 4
   7.  IANA Considerations   . . . . . . . . . . . . . . . . . . . . 4
   8.  Security Considerations  . . . . . . . . . . . . . . . . . .  4
   9.  References   . . . . . . . . . . . . . . . . . . . . . . . .  5
  10.  Author's Address  . . . . . . . . . . . . . . . . . . . . . . 5
  11.  Full Copyright Statement   . . . . . . . . . . . . . . . . .  6


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