Cloudflare blocks 15M rps HTTPS DDoS attack
April 27, 2022 3:02PM
Earlier this month, Cloudflare’s systems automatically detected and mitigated a 15.3 million request-per-second (rps) DDoS attack — one of the largest HTTPS DDoS attacks on record...
PIPEFAIL: How a missing shell option slowed Cloudflare down
April 05, 2022 1:57PM
Post Mortem Outage Deep Dive Speed & ReliabilityThis post tells the story of how a missing shell option called “pipefail” slowed Cloudflare down....
Unlocking QUIC’s proxying potential with MASQUE
March 20, 2022 4:58PM
Proxying Content Security Policy Deep Dive Research QUICWe continue our technical deep dive into traditional TCP proxying over HTTP...
A Primer on Proxies
March 19, 2022 5:01PM
Deep Dive TCP Proxying Research iCloud Private RelayA technical dive into traditional TCP proxying over HTTP...
Missing Manuals - io_uring worker pool
February 04, 2022 1:58PM
Kernel Linux io_uring aio Deep DiveChances are you might have heard of io_uring. It first appeared in Linux 5.1, back in 2019, and was advertised as the new API for asynchronous I/O. Its goal was to be an alternative to the deemed-to-be-broken-beyond-repair AIO, the “old” asynchronous I/O API...
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