Dear All, I have an issue with the Nginx HTTP3. when I add the "add_header alt-svc 'h3-29=":443"; ma=86400';" instead of "add_header Alt-Svc 'h3=":443"';" to the server block browser " err_too_many_redirects". Below is my simple config file to run a Magento 2.4.2 site.
upstream fastcgi_backend { server unix:/run/php/php7.4-fpm.sock; } server { listen 80; server_name demo3.eazykart.lk; set $MAGE_ROOT /var/www/html/demo3.eazykart.lk/public_html; include /var/www/html/demo3.eazykart.lk/public_html/nginx.conf.sample; listen 443 http3 reuseport; # UDP listener for QUIC+HTTP/3 listen 443 ssl http2; # TCP listener for HTTP/1.1 ssl_protocols TLSv1.3; # QUIC requires TLS 1.3 ssl_certificate /etc/letsencrypt/live/demo3.eazykart.lk/fullchain.pem; # managed by Certbot ssl_certificate_key /etc/letsencrypt/live/demo3.eazykart.lk/privkey.pem; # managed by Certbot include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot add_header alt-svc 'h3-29=":443"; ma=86400'; add_header QUIC-Status $quic; # Sent when QUIC was used } With the "add_header Alt-Svc 'h3=":443"';" https://www.http3check.net/ says quic & http3 supported, but browser shows h2. If I add " add_header alt-svc 'h3-29=":443"; ma=86400';" browser shows h3-29 but after few seconds it shows "err_too_many_redirects" With the "add_header Alt-Svc 'h3=":443"';" https://gf.dev/http3-test test fail. But the test is successful if I check with "add_header alt-svc 'h3-29=":443"; ma=86400'; " & cannot load the web page. SITE URL : https://demo3.eazykart.lk/ Please help me to resolve the issue, If anyone can share the correct config for magento much appreciate it. [image: image.png] -- Thanks & Regards, *Raminda Subhashana* Mobile : 0773482137 *Please consider the environmental impact of needlessly printing this e-mail.*
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