RFC 1919 · INFORMATIONAL · 1996
SUN · 14 JUN 2026
Classical versus Transparent IP Proxies
Overview
RFC 1919, “Classical versus Transparent IP Proxies”, is an Informational document published in March 1996 by M. Chatel. The canonical text is published by the RFC Editor.
Abstract
This document explains "classical" and "transparent" proxy techniques and attempts to provide rules to help determine when each proxy system may be used without causing problems. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
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 1919 is hosted at rfc-editor.org. Available in TXT,HTML.
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