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File Transfer Protocol HOST Command for Virtual Hosts (RFC7151)

IP.com Disclosure Number: IPCOM000235621D
Original Publication Date: 2014-Mar-01
Included in the Prior Art Database: 2014-Mar-13
Document File: 48 page(s) / 54K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Hethmon: AUTHOR [+2]

Abstract

It is common on the Internet for many DNS names to resolve to a single IP address. This practice has introduced the concept of a "virtual host", where a host appears to exist as an independent entity but, in reality, shares its physical resources with one or more similar hosts.

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This is the abbreviated version, containing approximately 5% of the total text.

Internet Engineering Task Force (IETF)                        P. Hethmon Request for Comments: 7151                              Hethmon Brothers Updates: 959                                                 R. McMurray Category: Standards Track                          Microsoft Corporation ISSN: 2070-1721                                               March 2014

          File Transfer Protocol HOST Command for Virtual Hosts

Abstract

   The File Transfer Protocol, as defined in RFC 959, does not provide a    way for FTP clients and servers to differentiate between multiple DNS    names that are registered for a single IP address.  This document    defines a new FTP command that provides a mechanism for FTP clients    and servers to identify individual virtual hosts on an FTP server.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7151.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

 Hethmon & McMurray           Standards Track                    [Page 1]
 RFC 7151           FTP HOST Command for Virtual Hosts         March 2014

 Table of Contents

   1. Introduction ....................................................2

   2. Document Conventions ............................................3

      2.1. Basic Tokens ...............................................3

      2.2. Server Replies .............................................4

   3. The HOST Command ................................................4

      3.1. Syntax of the HOST Command .................................5...