RFC 9213 - Targeted HTTP Cache Control

Document Information

• RFC Number: 9213
• Title: Targeted HTTP Cache Control
• Authors: S. Ludin (Akamai), M. Nottingham (Fastly), Y. Wu (Cloudflare)
• Date: June 2022
• Category: Standards Track
• Status: IETF Standards Track

Abstract

This specification defines a convention for HTTP response header fields that allow cache directives to be targeted at specific caches or classes of caches. It also defines one such header field, the CDN-Cache-Control response header field, which is targeted at content delivery network (CDN) caches.

Table of Contents

• 1. Introduction
• 2. Targeted Cache-Control Header Fields
• 3. The CDN-Cache-Control Targeted Field
• 4. IANA Considerations
• 5. Security Considerations
• 6. References
• Authors' Addresses

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 7841.

Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at https://www.rfc-editor.org/info/rfc9213.

Copyright Notice

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