NGINX QUIC reuseport: HTTP/3 Silently Breaks Without It
Multi-worker NGINX HTTP/3 silently fails without reuseport on the QUIC listener: ~30% of connections fall back to HTTP/2 with nothing in the error log.…
http3
Practical http3 guides from the GetPageSpeed engineering team: configuration, performance tuning and security for production Linux servers.
8 articles
NGINX Post-Quantum TLS: X25519MLKEM768 with OpenSSL 3.5
Our RPM and DEB builds link OpenSSL 3.5, so hybrid post-quantum key exchange with X25519MLKEM768 works out of the box on every platform we…
NGINX Early Hints: HTTP 103 Benchmarked on Enterprise Linux
NGINX early hints support arrived in 1.29.0, but every stock Enterprise Linux, Debian and Ubuntu package still ships something older. We install a current…
aws-lc NGINX in 2026: Why We Ship OpenSSL 3.5 LTS
Why GetPageSpeed packages aws-lc on EL but links nginx-mod against OpenSSL 3.5 LTS: the honest current state of TLS for NGINX HTTP/3 in 2026.
How to Enable NGINX HTTP/3 on Ubuntu and Debian
Getting NGINX HTTP/3 on Ubuntu to actually work is harder than the nginx docs make it look. You enable http3 on; in your NGINX…
NGINX HTTP/3 Is Broken After Reload — Here’s the Fix F5 Won’t Ship
NGINX silently drops ~50% of HTTP/3 connections after reload when quic_bpf is enabled. The bug has been known for over a year. F5 won't…
NGINX http3 http_host Is Empty — Here’s the Fix
NGINX HTTP/3 leaves $http_host empty, breaking FastCGI, proxy configs, and logs. nginx-mod fixed this at the protocol layer — four months before upstream shipped…
Enable NGINX HTTP3 (QUIC) on RHEL, Rocky Linux, CentOS & Fedora
Learn how to enable NGINX HTTP/3 on Rocky Linux, RHEL, CentOS, and Fedora. Install QUIC-enabled packages, configure firewall for UDP 443, and verify HTTP/3.