+ # 2017-07-02
+ # https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=apache-2.4.18&openssl=1.0.1p&hsts=no&profile=intermediate
+ # https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=apache-2.4.25&openssl=1.0.1p&hsts=no&profile=intermediate
+ # https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=apache-2.4.25&openssl=1.1.0&hsts=no&profile=intermediate
+ SSLCipherSuite ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS
+
+ <%- if has_variable?("apache2deb9") && @apache2deb9 -%>
+ SSLUseStapling On
+
+ # the default size is 32k, but we make it 1M.
+ # | If more than a few SSL certificates are used for the server
+ # |
+ # | OCSP responses are stored in the SSL stapling cache. While the
+ # | responses are typically a few hundred to a few thousand bytes in size,
+ # | mod_ssl supports OCSP responses up to around 10K bytes in size. With more
+ # | than a few certificates, the stapling cache size (32768 bytes in the
+ # | example above) may need to be increased. Error message AH01929 will be
+ # | logged in case of an error storing a response.
+ # [ https://httpd.apache.org/docs/2.4/ssl/ssl_howto.html#ocspstapling ]
+
+ SSLStaplingCache shmcb:${APACHE_RUN_DIR}/ssl_stapling(1048576)
+ SSLStaplingReturnResponderErrors off
+ SSLStaplingResponderTimeout 5
+ SSLStaplingFakeTryLater off
+ <% end -%>