RFC 1864 · DRAFT STANDARD · 1995
SUN · 14 JUN 2026
The Content-MD5 Header Field
Overview
RFC 1864, “The Content-MD5 Header Field”, is a Draft Standard document published in October 1995 by J. Myers, M. Rose. It obsoletes RFC 1544. The canonical text is published by the RFC Editor.
Abstract
This memo specifies an optional header field, Content-MD5, for use with MIME-conformant messages. [STANDARDS-TRACK]
What “Draft Standard” means
A historical maturity level (retired in 2011) that sat between Proposed Standard and Internet Standard and required multiple interoperable implementations.
Read this RFC
The canonical text of RFC 1864 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1995
- RFC 1863 A BGP/IDRP Route Server alternative to a full mesh routing
- RFC 1862 Report of the IAB Workshop on Internet Information Infrastructure, October 12-14, 1994
- RFC 1866 Hypertext Markup Language - 2.0
- RFC 1861 Simple Network Paging Protocol - Version 3 -Two-Way Enhanced
- RFC 1867 Form-based File Upload in HTML
- RFC 1860 Variable Length Subnet Table For IPv4
- RFC 1868 ARP Extension - UNARP
- RFC 1859 ISO Transport Class 2 Non-use of Explicit Flow Control over TCP RFC1006 extension