HTTP/2 Rapid Reset: deconstructing the record-breaking attack
2023-10-10
This post dives into the details of the HTTP/2 protocol, the feature that attackers exploited to generate the massive Rapid Reset attacks, and the mitigation strategies we took to ensure all our customers are protected...
Introducing HTTP/3 Prioritization
2023-06-20
Today, Cloudflare is very excited to announce full support for HTTP/3 Extensible Priorities, a new standard that speeds the loading of webpages by up to 37%...
Examining HTTP/3 usage one year on
2023-06-06
With the HTTP/3 RFC celebrating its 1st birthday, we examined HTTP version usage trends between May 2022 - May 2023. We found that HTTP/3 usage by browsers continued to grow, but that search engine and social media bots continued to effectively ignore the latest version of the web’s core protocol...
HTTP RFCs have evolved: A Cloudflare view of HTTP usage trends
2022-06-06
HTTP/3 is now RFC 9114. We explore Cloudflare's view of how it is being used...
Unlocking QUIC’s proxying potential with MASQUE
2022-03-20
We continue our technical deep dive into traditional TCP proxying over HTTP...
QUIC Version 1 is live on Cloudflare
2021-05-28
QUIC is a new fast and secure transport protocol. Version 1 has just been published as RFC 9000 and today Cloudflare has enabled support for all customers, come try it out. ...
A Last Call for QUIC, a giant leap for the Internet
2020-10-22
QUIC and HTTP/3 are open standards that have been under development in the IETF for almost exactly 4 years. On October 21, 2020, following two rounds of Working Group Last Call, draft 32 of the family of documents that describe QUIC and HTTP/3 were put into IETF Last Call....
How to test HTTP/3 and QUIC with Firefox Nightly
2020-06-30
Now that Firefox Nightly supports HTTP/3 we thought we'd share some instructions to help you enable and test it yourselves....
Adopting a new approach to HTTP prioritization
2019-12-31
HTTP prioritization is important for web performance. This is the story behind a new approach recently adopted for further work in the IETF....