Enable dhparam and weaken TLS on port 25 using starttls

7 years ago · 40e6604d16
parent f9708e874a
commit 40e6604d16
2 changed files with 5 additions and 3 deletions
--- a/nginx/conf/nginx.conf
+++ b/nginx/conf/nginx.conf
@ -124,6 +124,8 @@ mail {
      listen 25;
      listen [::]:25;
      {% if TLS and not TLS_ERROR %}
+      ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+      ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:ECDHE-RSA-AES128-GCM-SHA256:AES256+EECDH:DHE-RSA-AES128-GCM-SHA256:AES256+EDH:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
      starttls on;
      {% endif %}
      protocol smtp;
--- a/nginx/conf/tls.conf
+++ b/nginx/conf/tls.conf
@ -1,7 +1,7 @@
 ssl_protocols TLSv1.1 TLSv1.2;
-ssl_ciphers 'EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA256:EECDH:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!IDEA:!ECDSA:kEDH:CAMELLIA128-SHA:AES128-SHA';
+ssl_ciphers 'ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384';
 ssl_prefer_server_ciphers on;
-ssl_session_timeout 5m;
+ssl_session_timeout 10m;
 ssl_certificate {{ TLS[0] }};
 ssl_certificate_key {{ TLS[1] }};
-
+ssl_dhparam /certs/dhparam.pem;