{% set domain_name = item.nginx_domain_name %} {# assume HSTS is off unless a vhost explicitly sets it to "yes" #} {% set enable_hsts = item.nginx_enable_hsts | default("no") %} {# use self-signed certs? yes on development, no on production #} {% set use_snakeoil_cert = item.use_snakeoil_cert | default("no") %} {# better to check for "not yes" then "no" #} {% if use_snakeoil_cert != "yes" %} # concatenated key + cert # See: http://nginx.org/en/docs/http/configuring_https_servers.html ssl_certificate {{ tls_key_dir }}/{{ domain_name }}/fullchain.pem; ssl_certificate_key {{ tls_key_dir }}/{{ domain_name }}/privkey.pem; {% else %} # "snakeoil" certificate (self signed!) ssl_certificate /etc/ssl/certs/nginx-snakeoil.crt; ssl_certificate_key /etc/ssl/private/nginx-snakeoil.key; {% endif %} ssl_session_timeout {{ nginx_ssl_session_timeout }}; ssl_session_cache {{ nginx_ssl_session_cache }}; ssl_buffer_size {{ nginx_ssl_buffer_size }}; ssl_dhparam {{ nginx_ssl_dhparam }}; ssl_protocols {{ nginx_ssl_protocols }}; ssl_ciphers "{{ tls_cipher_suite }}"; ssl_prefer_server_ciphers on; {# OSCP stapling only works with real certs #} {% if use_snakeoil_cert != "yes" %} # OCSP stapling... ssl_stapling on; ssl_stapling_verify on; {% if linode_id is defined %} # use Linode internal DNS resolver 109.74.192.20 109.74.193.20; {% else %} resolver 8.8.8.8 8.8.4.4; {% endif %} {# end: linode_id #} {% endif %} {# end: use_snakeoil_cert #} # nginx does not auto-rotate session ticket keys: only a HUP / restart will do so and # when a restart is performed the previous key is lost, which resets all previous # sessions. The fix for this is to setup a manual rotation mechanism: # http://trac.nginx.org/nginx/changeset/1356a3b9692441e163b4e78be4e9f5a46c7479e9/nginx # # Note that you'll have to define and rotate the keys securely by yourself. In absence # of such infrastructure, consider turning off session tickets: ssl_session_tickets off; {% if enable_hsts == "yes" %} # Enable this if you want HSTS (recommended, but be careful) # Include all subdomains and indicate to Google that we want this pre-loaded in Chrome's HSTS store # See: https://hstspreload.appspot.com/ add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always; {% endif %}