32 lines
1.5 KiB
Nginx Configuration File
32 lines
1.5 KiB
Nginx Configuration File
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# ----------------------------------------------------------------------
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# | SSL engine |
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# ----------------------------------------------------------------------
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# Optimize SSL by caching session parameters for 10 minutes. This cuts down on the number of expensive SSL handshakes.
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# The handshake is the most CPU-intensive operation, and by default it is re-negotiated on every new/parallel connection.
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# By enabling a cache (of type "shared between all Nginx workers"), we tell the client to re-use the already negotiated state.
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# Further optimization can be achieved by raising keepalive_timeout, but that shouldn't be done unless you serve primarily HTTPS.
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#
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# A 1Mb cache can hold about 4000 sessions, so we can hold 40000 sessions
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ssl_session_cache shared:SSL:10m;
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ssl_session_timeout 24h;
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# SSL buffer size
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# 1400 bytes to fit in one MTU
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# ssl_buffer_size 1400;
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# Session tickets
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#
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# nginx does not auto-rotate session ticket keys: only a HUP / restart will do so and
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# when a restart is performed the previous key is lost, which resets all previous
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# sessions. The fix for this is to setup a manual rotation mechanism:
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# https://trac.nginx.org/nginx/changeset/1356a3b9692441e163b4e78be4e9f5a46c7479e9/nginx
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#
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# Note that you'll have to define and rotate the keys securely by yourself. In absence
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# of such infrastructure, consider turning off session tickets:
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ssl_session_tickets off;
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# Use a higher keepalive timeout to reduce the need for repeated handshakes
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# Default: 75s
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keepalive_timeout 300s;
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