paulbsd-salt/states/nginx/templates/proxy_params.j2

## {{ salt['pillar.get']('salt_managed', default='Salt Managed') }}

proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 0;
client_body_buffer_size 8192k;
proxy_connect_timeout 600;
proxy_send_timeout 600;
proxy_read_timeout 600;
proxy_buffers 32 4k;

proxy_cache_path /var/lib/nginx/cache levels=1:2 keys_zone=cache:10m inactive=24h max_size=1g;
proxy_cache cache;
proxy_cache_valid 200 302 1h;
proxy_cache_valid 404 1d;