- listen [::]:80 ipv6only=on fastopen=1024 default_server;
- listen *:80 fastopen=1024 default_server;
+ listen [::]:80 fastopen=2048 default_server;
+ listen *:80 fastopen=2048 default_server;
+ listen [::]:443 fastopen=2048 ssl http2; # No default_server here unless certificate specified here too.
+ listen *:443 fastopen=2048 ssl http2; # No default_server here unless certificate specified here too.