2 # Copyright (C) The Arvados Authors. All rights reserved.
4 # SPDX-License-Identifier: AGPL-3.0
10 # Based on https://ssl-config.mozilla.org/#server=nginx&version=1.14.2&config=intermediate&openssl=1.1.1d&guideline=5.4
11 ssl_hardening_default.conf:
12 - ssl_session_timeout: 1d
13 - ssl_session_cache: 'shared:arvadosSSL:10m'
14 - ssl_session_tickets: 'off'
16 # intermediate configuration
17 - ssl_protocols: TLSv1.2 TLSv1.3
18 - ssl_ciphers: ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
19 - ssl_prefer_server_ciphers: 'off'
21 # HSTS (ngx_http_headers_module is required) (63072000 seconds)
22 - add_header: 'Strict-Transport-Security "max-age=63072000" always'
26 - ssl_stapling_verify: 'on'
28 # verify chain of trust of OCSP response using Root CA and Intermediate certs
29 # - ssl_trusted_certificate /path/to/root_CA_cert_plus_intermediates
31 # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam
32 # - ssl_dhparam: /path/to/dhparam
34 # replace with the IP address of your resolver
35 # - resolver: 127.0.0.1