Add example for server with both ECDSA and RSA certificates

Author: JonasAlfredsson

examples/example_server_multicert.conf

@@ -0,0 +1,23 @@
+server {
+    listen              443 ssl default_server;
+    server_name         yourdomain.org www.yourdomain.org;
+
+    # Load the ECDSA keys.
+    ssl_certificate /etc/letsencrypt/live/test-ecc/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/test-ecc/privkey.pem;
+
+    # Load the RSA keys.
+    ssl_certificate /etc/letsencrypt/live/test-rsa/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/test-rsa/privkey.pem;
+
+    # Load the Diffie-Hellman parameter.
+    ssl_dhparam /etc/letsencrypt/dhparams/dhparam.pem;
+
+    # Define the ciphers to use in the preferred order.
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers on;
+    ssl_ciphers "EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:DHE+AESGCM:DHE:!RSA!aNULL:!eNULL:!LOW:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!CAMELLIA:!SEED";
+
+    return 200 'Let\'s Encrypt certificate successfully installed!';
+    add_header Content-Type text/plain;
+}