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Welcome to the IETF

IETF 118 Prague registration now open

Gather with the Internet technical leaders from around the world to work on technologies at the foundation of the Internet of today and tomorrow.

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Upcoming events

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    IETF 118 Prague 

    IETF 118 starts Saturday 4 November and runs through 17:00 Friday afternoon, 10 November.

  • IETF 119 Brisbane

    IETF 119 Brisbane 

    IETF 119 starts Saturday 16 March and runs through Friday afternoon, 22 March.

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What's new?

  • IETF 117 Highlights 

    IETF 117 is a few weeks behind us and Dhruv Dhody, IAB Member and liaison to the IESG, took the opportunity to report on a few highlights and some impressions.

    21 Aug 2023
  • Proposed response to meeting venue consultations and the complex issues raised 

    The IETF Administration LLC recently sought feedback from the community on the possibility of holding an IETF Meeting in the cities of Beijing, Istanbul, Kuala Lumpur and Shenzhen, with received feedback including views that were well expressed and well argued but strongly conflicting. The IETF LLC has considered this feedback in-depth and now seeks community feedback on its proposed response.

    21 Aug 2023
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Search the IETF email archive

Much of the daily work of the IETF is conducted on electronic mailing lists. A new mail archive tool realizing the requirements developed in RFC 6778 is now in use:

Search IETF Datatracker

The IETF Datatracker contains data about IETF documents, working groups, meetings, agendas, minutes, presentations, and more:

Understanding the Internet Engineering Task Force

Working Groups

Working Groups are the primary mechanism for development of IETF specifications and guidelines. Working Groups are typically created to address a specific problem or to produce one or more specific deliverables (a guideline, standards specification, etc.).

Featured Working Group

Messaging Layer Security

Messaging Layer Security provides end-to-end security that makes it easy for apps to provide users the highest level of security, keeping user information safe even if the cloud service they’re using…


Request for Comments (RFCs)

The IETF publishes RFCs authored by network operators, engineers, and computer scientists to document methods, behaviors, research, or innovations applicable to the Internet.

Featured RFC

The Messaging Layer Security (MLS) Protocol

The Messaging Layer Security (MLS) protocol specifies a key establishment protocol that provides efficient asynchronous group key establishment with forward secrecy (FS) and post-compromise security …

RFC 9420was:

Topics of interest

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Next IETF meeting

Stay tuned for the latest information on the next IETF meeting scheduled for 4-10 November 2023

Visit the IETF 118 meeting webpage