Strengthen nginx SSL config - DH 2048, HSTS, lower SSL cache to 1MB
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							@ -59,6 +59,10 @@ apt-get -y --no-install-recommends install nginx-light uwsgi uwsgi-plugin-python
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openssl req -x509 -new -out /etc/ssl/certs/services.pem -keyout /etc/ssl/private/services.key -nodes -days 3654 -subj "/C=CZ/CN=$(hostname -f)"
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chmod 640 /etc/ssl/private/services.key
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# Create Diffie-Hellman param
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openssl dhparam -out /etc/ssl/dhparam.pem 2048
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chmod 640 /etc/ssl/dhparam.pem
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# Modify default nginx site
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mkdir /etc/nginx/apps-available /etc/nginx/apps-enabled
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mkdir /srv/portal
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@ -12,10 +12,12 @@ server {
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    ssl_certificate_key /etc/ssl/private/services.key;
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    ssl_protocols TLSv1.2;
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    ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
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    ssl_dhparam /etc/ssl/dhparam.pem;
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    ssl_prefer_server_ciphers on;
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    ssl_session_cache shared:SSL:30m;
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    ssl_session_cache shared:SSL:1m;
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    ssl_session_timeout 1d;
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    ssl_session_tickets off;
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    add_header Strict-Transport-Security "max-age=31536000;";
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    root /srv/portal;
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    index index.html;
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