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	# -------------------------------------------------------------
	# nginx :: configuration :: TLS
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
	# Project: Nasqueron
	# Description: Compatible TLS configuration for most clients
	# Strategy: nginx 1.22.1, intermediate config, OpenSSL 1.1.1o
	# See also: https://ssl-config.mozilla.org/
	# License: Trivial work, not eligible for copyright.
	# Source file: roles/webserver-core/nginx/files/includes/tls
	# -------------------------------------------------------------
	#
	# <auto-generated>
	# This file is managed by our rOPS SaltStack repository.
	#
	# Changes to this file may cause incorrect behavior
	# and will be lost if the state is redeployed.
	# </auto-generated>

	{% if salt["pkg.version_cmp"](nginx_version, "1.25.1") >= 0 -%}
	listen 443 ssl;
	listen [::]:443 ssl;
	http2 on;
	{%- else -%}
	listen 443 ssl http2;
	listen [::]:443 ssl http2;
	{%- endif %}

	keepalive_timeout 70;

	ssl_session_timeout 1d;
	ssl_session_cache shared:SSL:10m;
	ssl_session_tickets off;

	ssl_dhparam {{ nginx_dir }}/dhparams.pem;

	ssl_protocols TLSv1.2 TLSv1.3;
	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:DHE-RSA-CHACHA20-POLY1305;
	ssl_prefer_server_ciphers off;

	# -------------------------------------------------------------
	# HSTS - HTTP Strict Transport Security
	#
	# As we provide a Let's Encrypt certificate for all our services,
	# browser should be instructed to connect directly to HTTPS.
	#
	# This is low risk, as the browser only honour this request
	# as soon as it successfully connected to HTTPS without any
	# certificate issue.
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	add_header Strict-Transport-Security "max-age=63072000" always;

	# -------------------------------------------------------------
	# OCSP - Online Certificate Status Protocol
	#
	# To improve TLS handshake speed, and to help protecting the
	# privacy of the users connecting here, as there isn't any need
	# for them to connect to the CRL anymore, OSCP is enabled.
	#
	# The parameter `ssl_trusted_certificate` points to a bundle
	# of CA certificates, currently containing Let's Encrypt
	# intermediate and root certificates. If any certificate
	# is issued by another CA, their certificates must be added
	# to the bundle too.
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	ssl_stapling on;
	ssl_stapling_verify on;

	ssl_trusted_certificate /usr/local/share/certs/ocsp-ca-certs.pem;

	resolver 127.0.0.1;

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