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November 25, 2021 5:27PM
Historically Cloudflare's core competency was operating an HTTP reverse proxy. We've spent significant effort optimizing traditional HTTP/1.1 and HTTP/2 servers running on top of TCP. Recently though, we started operating big scale stateful UDP services....
November 13, 2021 2:33PM
DDoS Attacks Mirai Botnet DNSEarlier this week, Cloudflare automatically detected and mitigated a DDoS attack that peaked just below 2 Tbps — the largest we’ve seen to date....
October 07, 2021 3:20AM
DDoS Ransom DDoS Trends SIP VoIPBecause of the sustained attacks we are observing, we are sharing details on recent attack patterns, what steps they should take before an attack, and what to do after an attack has taken place....
September 18, 2020 12:00PM
eBPF Linux UDP ProgrammingSYN-cookies help mitigating SYN-floods for TCP, but how can we protect services from similar attacks that use UDP? We designed an algorithm and a library to fill this gap, and it’s open source!...
January 08, 2020 5:08PM
QUIC UDP TCP HTTP3Significant work has gone into optimizing TCP, UDP hasn't received as much attention, putting QUIC at a disadvantage. Let's explore a few tricks that help mitigate this....
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