Assigned Numbers
RFC 1340

Document Type RFC - Historic (July 1992; Errata)
Obsoleted by RFC 1700
Obsoletes RFC 1060
Last updated 2013-03-02
Stream Legacy
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IESG IESG state RFC 1340 (Historic)
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Network Working Group                                        J. Reynolds
Request for Comments: 1340                                     J. Postel
Obsoletes RFCs: 1060, 1010, 990, 960,                                ISI
943, 923, 900, 870, 820, 790, 776, 770,                        July 1992
762, 758,755, 750, 739, 604, 503, 433, 349
Obsoletes IENs: 127, 117, 93

                            ASSIGNED NUMBERS

Status of this Memo

   This memo is a status report on the parameters (i.e., numbers and
   keywords) used in protocols in the Internet community.  Distribution
   of this memo is unlimited.

Table of Contents

   INTRODUCTION...................................................  2
   Data Notations.................................................  3
   Special Addresses..............................................  4
   VERSION NUMBERS................................................  6
   PROTOCOL NUMBERS...............................................  7
   WELL KNOWN PORT NUMBERS........................................  9
   REGISTERED PORT NUMBERS........................................ 23
   INTERNET MULTICAST ADDRESSES................................... 27
   IANA ETHERNET ADDRESS BLOCK.................................... 29
   IP TOS PARAMETERS.............................................. 30
   IP TIME TO LIVE PARAMETER...................................... 32
   DOMAIN SYSTEM PARAMETERS....................................... 33
   BOOTP PARAMETERS............................................... 35
   NETWORK MANAGEMENT PARAMETERS.................................. 36
   MILNET LOGICAL ADDRESSES....................................... 49
   MILNET LINK NUMBERS............................................ 50
   MILNET X.25 ADDRESS MAPPINGS................................... 51
   IEEE 802 NUMBERS OF INTEREST................................... 53
   ETHERNET NUMBERS OF INTEREST................................... 54
   ETHERNET VENDOR ADDRESS COMPONENTS............................. 57
   ETHERNET MULTICAST ADDRESSES................................... 60
   XNS PROTOCOL TYPES............................................. 62
   PROTOCOL/TYPE FIELD ASSIGNMENTS................................ 63
   PRONET 80 TYPE NUMBERS......................................... 64
   POINT-TO-POINT PROTOCOL FIELD ASSIGNMENTS...................... 65
   ADDRESS RESOLUTION PROTOCOL PARAMETERS......................... 69
   REVERSE ADDRESS RESOLUTION PROTOCOL OPERATION CODES............ 70
   DYNAMIC REVERSE ARP............................................ 70
   INVERSE ADDRESS RESOULUTION PROTOCOL........................... 70
   X.25 TYPE NUMBERS.............................................. 71

Reynolds & Postel                                               [Page 1]
RFC 1340                    Assigned Numbers                   July 1992

   PUBLIC DATA NETWORK NUMBERS.................................... 72
   TELNET OPTIONS................................................. 75
   MAIL ENCRYPTION TYPES.......................................... 76
   MIME TYPES..................................................... 77
   CHARACTER SETS................................................. 79
   MACHINE NAMES.................................................. 83
   SYSTEM NAMES................................................... 87
   PROTOCOL AND SERVICE NAMES..................................... 88
   TERMINAL TYPE NAMES............................................ 92
   DOCUMENTS...................................................... 96
   PEOPLE.........................................................109
   Security Considerations........................................139
   Authors' Addresses.............................................139

INTRODUCTION

   This Network Working Group Request for Comments documents the
   currently assigned values from several series of numbers used in
   network protocol implementations.  This RFC will be updated
   periodically, and in any case current information can be obtained from
   the Internet Assigned Numbers Authority (IANA).  If you are developing
   a protocol or application that will require the use of a link, socket,
   port, protocol, etc., please contact the IANA to receive a number
   assignment.

   Joyce K. Reynolds
   Internet Assigned Numbers Authority
   USC - Information Sciences Institute
   4676 Admiralty Way
   Marina del Rey, California  90292-6695

   Phone: (310) 822-1511

   Electronic mail: IANA@ISI.EDU

   Most of the protocols mentioned here are documented in the RFC series
   of notes.  Some of the items listed are undocumented.  Further
   information on protocols can be found in the memo "IAB Official
   Protocol Standards" [62].

   In the entries below, the name and mailbox of the responsible
   individual is indicated.  The bracketed entry, e.g., [nn,iii], at the
   right hand margin of the page indicates a reference for the listed
   protocol, where the number ("nn") cites the document and the letters
   ("iii") cites the person.  Whenever possible, the letters are a NIC
   Ident as used in the WhoIs (NICNAME) service.

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