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RFC 1123 - Requirements for Internet Hosts -- Application and Support

Published: October 1989
Status: Internet Standard (STD 3)
Editor: R. Braden (Internet Engineering Task Force)

Status of This Memo​

This RFC is an official specification for the Internet community. It incorporates by reference, amends, corrects, and supplements the primary protocol standards documents relating to hosts. Distribution of this document is unlimited.

Summary​

This RFC is one of a pair that defines and discusses the requirements for Internet host software. This RFC covers the application and support protocols; its companion RFC-1122 covers the communication protocol layers: link layer, IP layer, and transport layer.

Contents​

  • 1. Introduction

    • 1.1 The Internet Architecture
    • 1.2 General Considerations
      • 1.2.1 Continuing Internet Evolution
      • 1.2.2 Robustness Principle
      • 1.2.3 Error Logging
      • 1.2.4 Configuration
    • 1.3 Reading this Document
      • 1.3.1 Organization
      • 1.3.2 Requirements
      • 1.3.3 Terminology
    • 1.4 Acknowledgments

  • 2. General Issues

    • 2.1 Host Names and Numbers
    • 2.2 Using Domain Name Service
    • 2.3 Applications on Multihomed hosts
    • 2.4 Type-of-Service
    • 2.5 General Application Requirements Summary

  • 3. Remote Login -- Telnet Protocol

    • 3.1 Introduction
    • 3.2 Protocol Walk-Through
    • 3.3 Specific Issues
    • 3.4 Telnet/User Interface
    • 3.5 Telnet Requirements Summary

  • 4. File Transfer

    • 4.1 File Transfer Protocol -- FTP
      • 4.1.1 Introduction
      • 4.1.2 Protocol Walk-Through
      • 4.1.3 Specific Issues
      • 4.1.4 FTP Requirements Summary
    • 4.2 Trivial File Transfer Protocol -- TFTP
      • 4.2.1 Introduction
      • 4.2.2 Protocol Walk-Through
      • 4.2.3 Specific Issues
      • 4.2.4 TFTP Requirements Summary

  • 5. Electronic Mail -- SMTP and RFC-822

    • 5.1 Introduction
    • 5.2 Protocol Walk-Through
      • 5.2.1 RFC-822
      • 5.2.2 SMTP
    • 5.3 Specific Issues
      • 5.3.1 SMTP
      • 5.3.2 RFC-822
    • 5.4 SMTP Requirements Summary

  • 6. Support Services

    • 6.1 Domain Name Translation
      • 6.1.1 Introduction
      • 6.1.2 Protocol Walk-Through
      • 6.1.3 Specific Issues
      • 6.1.4 DNS Requirements Summary
    • 6.2 Host Initialization
      • 6.2.1 Introduction
      • 6.2.2 Protocol Walk-Through
      • 6.2.3 Specific Issues
      • 6.2.4 Initialization Requirements Summary
    • 6.3 Remote Management
      • 6.3.1 Introduction
      • 6.3.2 Protocol Walk-Through
      • 6.3.3 Specific Issues
      • 6.3.4 Management Requirements Summary

  • 7. References

Note: This document is derived from the official RFC 1123 specification published by the Internet Engineering Task Force (IETF). The original document states: "Distribution of this document is unlimited."

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