RFC 1180 · INFORMATIONAL · 1991
TUE · 28 JUL 2026
TCP/IP tutorial
Overview
RFC 1180, “TCP/IP tutorial”, is an Informational document published in January 1991 by T.J. Socolofsky, C.J. Kale. The canonical text is published by the RFC Editor.
Abstract
This RFC is a tutorial on the TCP-IP protocol suite, focusing particularly on the steps in forwarding an IP datagram from source host to destination host through a router. It does not specify an Internet standard.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 1180 is hosted at rfc-editor.org. Available in TXT,HTML.
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