How to Enable NGINX HTTP/3 on Ubuntu and Debian
by Danila Vershinin, April 11, 2026
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 config, restart, and Chrome still negotiates HTTP/2. Or worse: HTTP/3 appears to work, but connections silently die after every nginx -s reload. Both problems trace back to how stock Debian/Ubuntu nginx […]
Read More...NGINX HTTP/3 Is Broken After Reload — Here’s the Fix F5 Won’t Ship
by Danila Vershinin, March 13, 2026
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 fix it. nginx-mod ships the fix today.
Read More...Enable NGINX HTTP3 (QUIC) on RHEL, Rocky Linux, CentOS & Fedora
by Danila Vershinin, November 6, 2022
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.
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