simplified nginx tls config

Author: hhund

dsf-docker-dev-setup-3dic-ttp/proxy/nginx.conf

@@ -28,9 +28,7 @@ http {
 
 	ssl_certificate /run/secrets/localhost.chain.crt;
 	ssl_certificate_key /run/secrets/localhost.key.plain;
-	ssl_protocols TLSv1.2 TLSv1.3;
-	ssl_ciphers TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;
-	ssl_prefer_server_ciphers on;
+	ssl_protocols TLSv1.3;
 	add_header Strict-Transport-Security "max-age=63072000" always;
 
 	ssl_client_certificate /run/secrets/issuing_ca.crt;