RFC 3950 · DRAFT STANDARD · 2005
WED · 29 JUL 2026
Tag Image File Format Fax eXtended - image/tiff-fx MIME Sub-type Registration
Overview
RFC 3950, “Tag Image File Format Fax eXtended - image/tiff-fx MIME Sub-type Registration”, is a Draft Standard document published in February 2005 by L. McIntyre, G. Parsons, J. Rafferty. It obsoletes RFC 3250. The canonical text is published by the RFC Editor.
Abstract
This document describes the registration of the MIME sub-type image/tiff-fx. The encodings are defined by File Format for Internet Fax and its extensions. [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 3950 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2005
- RFC 3949 File Format for Internet Fax
- RFC 3948 UDP Encapsulation of IPsec ESP Packets
- RFC 3947 Negotiation of NAT-Traversal in the IKE
- RFC 3953 Telephone Number Mapping Service Registration for Presence Services
- RFC 3957 Authentication, Authorization, and Accounting Registration Keys for Mobile IPv4
- RFC 3958 Domain-Based Application Service Location Using SRV RRs and the Dynamic Delegation Discovery Service
- RFC 3961 Encryption and Checksum Specifications for Kerberos 5
- RFC 3962 Advanced Encryption Standard Encryption for Kerberos 5