Extension | Required? | Usage
---|:---:|---
-[`openssl`](http://php.net/manual/en/book.openssl.php) | All | OpenSSL, HTTPS
+[`openssl`](http://php.net/manual/en/book.openssl.php) | requires | OpenSSL, HTTPS
[`php-json`](http://php.net/manual/en/book.json.php) | required | configuration parsing
+[`php-simplexml`](https://www.php.net/manual/en/book.simplexml.php) | required | REST API (Slim framework)
[`php-mbstring`](http://php.net/manual/en/book.mbstring.php) | CentOS, Fedora, RHEL, Windows, some hosting providers | multibyte (Unicode) string support
[`php-gd`](http://php.net/manual/en/book.image.php) | optional | required to use thumbnails
[`php-intl`](http://php.net/manual/en/book.intl.php) | optional | localized text sorting (e.g. `e->รจ->f`)
ssl_certificate /etc/ssl/shaarli.mydomain.org.crt;
ssl_certificate_key /etc/ssl/private/shaarli.mydomain.org.key;
+ # Let's Encrypt SSL settings from https://github.com/certbot/certbot/blob/master/certbot-nginx/certbot_nginx/_internal/tls_configs/options-ssl-nginx.conf
+ ssl_session_cache shared:le_nginx_SSL:10m;
+ ssl_session_timeout 1440m;
+ ssl_session_tickets off;
+ ssl_protocols TLSv1.2 TLSv1.3;
+ ssl_prefer_server_ciphers off;
+ ssl_ciphers "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
+
# increase the maximum file upload size if needed: by default nginx limits file upload to 1MB (413 Entity Too Large error)
client_max_body_size 100m;