RFC 675 · HISTORIC · 1974
MON · 27 JUL 2026
Specification of Internet Transmission Control Program
Overview
RFC 675, “Specification of Internet Transmission Control Program”, is a Historic document published in December 1974 by V. Cerf, Y. Dalal, C. Sunshine. It has been obsoleted by RFC 7805 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
The first detailed specification of TCP; see RFC 793.
What “Historic” means
A specification that has been superseded or is otherwise no longer recommended for use.
Read this RFC
The canonical text of RFC 675 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1974
- RFC 674 Procedure call documents: Version 2
- RFC 672 Multi-site data collection facility
- RFC 678 Standard file formats
- RFC 671 Note on Reconnection Protocol
- RFC 669 November, 1974, survey of New-Protocol Telnet servers
- RFC 667 Host Ports
- RFC 666 Specification of the Unified User-Level Protocol
- RFC 663 Lost message detection and recovery protocol