Nginx: [warn] protocol options redefined

ByPieter Bakker

If you get an error message “nginx: [warn] protocol options redefined” after upgrading Nginx to the latest stable version 1.24, you can easily fix it by adding “http2” to the 443 “Listen” directive in the default.conf file. vi /etc/nginx/conf.d/default.conf server { listen 80 default_server; listen [::]:80 default_server; listen 443 default_server http2 ssl; listen [::]:443 default_server…