RFC 7405 · PROPOSED STANDARD · 2014
SUN · 14 JUN 2026
Case-Sensitive String Support in ABNF
Overview
RFC 7405, “Case-Sensitive String Support in ABNF”, is a Proposed Standard document published in December 2014 by P. Kyzivat. It updates RFC 5234. The canonical text is published by the RFC Editor.
Abstract
This document extends the base definition of ABNF (Augmented Backus-Naur Form) to include a way to specify US-ASCII string literals that are matched in a case-sensitive manner.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 7405 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2014
- RFC 7404 Using Only Link-Local Addressing inside an IPv6 Network
- RFC 7406 Extensions to the Emergency Services Architecture for Dealing With Unauthenticated and Unauthorized Devices
- RFC 7403 A Media-Based Traceroute Function for the Session Initiation Protocol
- RFC 7407 A YANG Data Model for SNMP Configuration
- RFC 7408 Forwarding and Control Element Separation Model Extension
- RFC 7409 Forwarding and Control Element Separation Packet Parallelization
- RFC 7400 6LoWPAN-GHC: Generic Header Compression for IPv6 over Low-Power Wireless Personal Area Networks
- RFC 7410 A Property Types Registry for the Authentication-Results Header Field