Considerations around transport header confidentiality, network operations, and the evolution of Internet transport protocols

Fairhurst, G. and Perkins, C. (2021) Considerations around transport header confidentiality, network operations, and the evolution of Internet transport protocols. Internet RFC(9065), (doi: 10.17487/RFC9065)

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Publisher's URL: https://doi.org/10.17487/RFC9065

Abstract

To protect user data and privacy, Internet transport protocols have supported payload encryption and authentication for some time. Such encryption and authentication are now also starting to be applied to the transport protocol headers. This helps avoid transport protocol ossification by middleboxes, mitigate attacks against the transport protocol, and protect metadata about the communication. Current operational practice in some networks inspect transport header information within the network, but this is no longer possible when those transport headers are encrypted. This document discusses the possible impact when network traffic uses a protocol with an encrypted transport header. It suggests issues to consider when designing new transport protocols or features.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Perkins, Dr Colin
Authors: Fairhurst, G., and Perkins, C.
College/School:College of Science and Engineering > School of Computing Science
Journal Name:Internet RFC
Publisher:Internet Society
ISSN:2070-1721
ISSN (Online):2070-1721
Copyright Holders:Copyright © 2021 IETF Trust and the Authors
First Published:First published in Internet RFC 9065
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
301525Improving Protocol Standards for a more Trustworthy InternetColin PerkinsEngineering and Physical Sciences Research Council (EPSRC)EP/R04144X/1Computing Science