RFC 9065 on Considerations around Transport Header Confidentiality, Network Operations, and the Evolution of Internet Transport Protocols

rfc-editor@rfc-editor.org Thu, 15 July 2021 06:44 UTC

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A new Request for Comments is now available in online RFC libraries.

        
        RFC 9065

        Title:      Considerations around Transport Header Confidentiality, 
                    Network Operations, and the Evolution of 
                    Internet Transport Protocols 
        Author:     G. Fairhurst,
                    C. Perkins
        Status:     Informational
        Stream:     IETF
        Date:       July 2021
        Mailbox:    gorry@erg.abdn.ac.uk,
                    csp@csperkins.org
        Pages:      37
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-tsvwg-transport-encrypt-21.txt

        URL:        https://www.rfc-editor.org/info/rfc9065

        DOI:        10.17487/RFC9065

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.

This document is a product of the Transport Area Working Group Working Group of the IETF.


INFORMATIONAL: This memo provides information for the Internet community.
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