Update the following line of code in config file’s server Block. 1add_header Strict-Transport-Security “max-age=63072000; includeSubdomains; “; Restart the NGINX server. More details in https://medium.com/@sslsecurity/how-to-enable-hsts-on-apache-nginx-and-lighttpd-8b0c64155911

https://www.digitalocean.com/community/tutorials/understanding-nginx-http-proxying-load-balancing-buffering-and-caching

Solution: In server block, add "client_max_body_size" directive like the following 1server { 2listen 8080; 3client_max_body_size 100M; 4... 5... 6} See details in https://www.cyberciti.biz/faq/linux-unix-bsd-nginx-413-request-entity-too-large/

https://raymii.org/s/tutorials/OCSP_Stapling_on_nginx.html

1sudo yum install epel-release 2sudo yum install nginx 3sudo systemctl start nginx 4... 5... 6edit /etc/nginx/nginx.conf 78... 9... 10#add this line in bottom of 'server' block: 11Redirect 301 https://your_domain_here/$request_uri; 1213sudo systemctl restart nginx 14sudo systemctl enable nginx

1server { 23listen 80 default_server; 4server_name _; 56root /var/www/default; 78} details in https://serverfault.com/questions/527156/setting-nginx-to-catch-all-unhandled-vhosts

https://scaron.info/blog/improve-your-nginx-ssl-configuration.html

See https://griffith.wordpress.com/tag/sslpassphrasedialog/