Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)
RFC 6266
Document | Type |
RFC - Proposed Standard
(June 2011; Errata)
Updates RFC 2616
|
|
---|---|---|---|
Author | Julian Reschke | ||
Last updated | 2020-01-21 | ||
Replaces | draft-reschke-rfc2183-in-http | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized with errata bibtex | ||
Reviews | |||
Stream | WG state | WG Document | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 6266 (Proposed Standard) | |
Action Holders |
(None)
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||
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Alexey Melnikov | ||
IESG note | Mark Nottingham (HTTPBIS chair) is the document shepherd | ||
Send notices to | (None) |
Internet Engineering Task Force (IETF) J. Reschke Request for Comments: 6266 greenbytes Updates: 2616 June 2011 Category: Standards Track ISSN: 2070-1721 Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP) Abstract RFC 2616 defines the Content-Disposition response header field, but points out that it is not part of the HTTP/1.1 Standard. This specification takes over the definition and registration of Content- Disposition, as used in HTTP, and clarifies internationalization aspects. 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/rfc6266. Copyright Notice Copyright (c) 2011 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. Reschke Standards Track [Page 1] RFC 6266 Content-Disposition in HTTP June 2011 Table of Contents 1. Introduction ....................................................2 2. Notational Conventions ..........................................3 3. Conformance and Error Handling ..................................3 4. Header Field Definition .........................................3 4.1. Grammar ....................................................4 4.2. Disposition Type ...........................................5 4.3. Disposition Parameter: 'Filename' ..........................5 4.4. Disposition Parameter: Extensions ..........................6 4.5. Extensibility ..............................................7 5. Examples ........................................................7 6. Internationalization Considerations .............................8 7. Security Considerations .........................................8 8. IANA Considerations .............................................8 8.1. Registry for Disposition Values and Parameters .............8 8.2. Header Field Registration ..................................8 9. Acknowledgements ................................................9 10. References .....................................................9 10.1. Normative References ......................................9 10.2. Informative References ....................................9 Appendix A. Changes from the RFC 2616 Definition ..................11 Appendix B. Differences Compared to RFC 2183 ......................11 Appendix C. Alternative Approaches to Internationalization ........11 C.1. RFC 2047 Encoding ..........................................12 C.2. Percent Encoding ...........................................12 C.3. Encoding Sniffing ..........................................12 Appendix D. Advice on Generating Content-Disposition Header Fields ................................................13 1. Introduction RFC 2616 defines the Content-Disposition response header field (Section 19.5.1 of [RFC2616]) but points out that it is not part of the HTTP/1.1 Standard (Section 15.5): Content-Disposition is not part of the HTTP standard, but since it is widely implemented, we are documenting its use and risks for implementers. This specification takes over the definition and registration of Content-Disposition, as used in HTTP. Based on interoperability testing with existing user agents (UAs), it fully defines a profile of the features defined in the Multipurpose Internet Mail Extensions (MIME) variant ([RFC2183]) of the header field, and also clarifies internationalization aspects. Reschke Standards Track [Page 2] RFC 6266 Content-Disposition in HTTP June 2011 Note: This document does not apply to Content-Disposition headerShow full document text