15 lines
934 B
Plaintext
15 lines
934 B
Plaintext
# Improve performance
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ssl_session_timeout 1d;
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ssl_session_cache shared:SSL:50m;
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ssl_session_tickets off;
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# Disable insecure cyphers
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ssl_protocols TLSv1.2;
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ssl_prefer_server_ciphers on;
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# From https://mozilla.github.io/server-side-tls/ssl-config-generator/
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# Oldest compatible clients: Firefox 27, Chrome 30, IE 11 on Windows 7, Edge, Opera 17, Safari 9, Android 5.0, and Java 8
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# We don't have a lot of those cyphers (using Ubuntu 15.04), but CBC is insecure:
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# https://blog.cloudflare.com/yet-another-padding-oracle-in-openssl-cbc-ciphersuites/
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ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
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# Unique DH Group, see https://weakdh.org/sysadmin.html
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ssl_dhparam /etc/ssl/private/dhparams.pem;
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