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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

# uncomment to choose an appropriate UID/GID; default is 'nobody'
# user bind bind;

worker_processes auto;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
    multi_accept on;
}

stream {
    upstream dns_tcp_servers {
	server 127.0.0.1:8853;
    }

    server {
	listen 853 ssl;
	proxy_pass dns_tcp_servers;

	# update to a suitable SSL certificate (e.g. from LetsEncrypt),
	# and uncomment the following lines:
	# ssl_certificate       /etc/nginx/lego/certificates/<cert>.crt;
	# ssl_certificate_key   /etc/nginx/lego/certificates/<cert>.key;

	ssl_protocols         TLSv1.2;
	ssl_ciphers           ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
	ssl_session_tickets   on;
	ssl_session_timeout   4h;
	ssl_handshake_timeout 30s;
    }
}