roles/common-web/files/etc/nginx/include.d/ssl


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ssl on;

# See http://nginx.org/en/docs/http/configuring_https_servers.html#optimization
keepalive_timeout           75 75;
ssl_session_timeout         5m;
ssl_session_cache           shared:SSL:5m;

# XXX: Ideally we want to get rid of TLSv1, to be immune to the BEAST
# attack. Sadly as of 2013 many clients don't support TLSv1.2, though.
# The alternative would be to reject BEAST-vulnerable ciphers from TLSv1
# in favor of RC4, but that's not satisfactory either since RC4 has
# other weaknesses.
ssl_protocols               TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers                 HIGH:!SSLv2:!aNULL:!eNULL:!3DES:!MD5:@STRENGTH;
ssl_dhparam                 /etc/ssl/private/dhparams.pem;
ssl_prefer_server_ciphers   on;

# Strict Transport Security header for enhanced security. See
# http://www.chromium.org/sts.
add_header Strict-Transport-Security "max-age=15552000";