- listen [::]:80 ipv6only=on fastopen=1024 default_server;
- listen *:80 fastopen=1024 default_server;
+ listen 80 deferred backlog=16384 reuseport fastopen=2048 default_server;
+ listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2; # No default_server here unless certificate specified here too.
+