ssl_certificate /etc/letsencrypt/live/matrix.arcticfoxes.net/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/matrix.arcticfoxes.net/privkey.pem;
ssl_trusted_certificate /etc/letsencrypt/live/matrix.arcticfoxes.net/chain.pem;

ssl_session_timeout 1d;
ssl_session_cache shared:MozSSL:10m; # about 40000 sessions
ssl_session_tickets off;

ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256;
ssl_prefer_server_ciphers on;
ssl_conf_command Options PrioritizeChaCha;

ssl_stapling on;
ssl_stapling_verify on;
ssl_stapling_file /var/cache/certbot-ocsp-fetchermatrix.arcticfoxes.net.der;