Syntax: underscores_in_headers on | off; Default: underscores_in_headers off; Context: http, server Enables or disables the use of underscores in client request header fields. When the use of underscores is disabled, request header fields whose names contain underscores are marked as invalid and become subject to the ignore_invalid_headers directive. If the directive is specified on the server level, its value is only used if a server is a default one. The value specified also ap

Syntax: scgi_cache_path path [levels=levels] [use_temp_path=on|off] keys_zone=name:size [inactive=time] [max_size=size] [manager_files=number] [manager_sleep=time] [manager_threshold=time] [loader_files=number] [loader_sleep=time] [loader_threshold=time] [purger=on|off] [purger_files=number] [purger_sleep=time] [purger_threshold=time]; Default: — Context: http Sets the path and other parameters of a cache. Cache data

Syntax: fastcgi_cache_purge string ...; Default: — Context: http, server, location This directive appeared in version 1.5.7. Defines conditions under which the request will be considered a cache purge request. If at least one value of the string parameters is not empty and is not equal to “0” then the cache entry with a corresponding cache key is removed. The result of successful operation is indicated by returning the 204 (No Content) response. If the cache key of a purge reque

Syntax: uwsgi_ignore_client_abort on | off; Default: uwsgi_ignore_client_abort off; Context: http, server, location Determines whether the connection with a uwsgi server should be closed when a client closes the connection without waiting for a response.

Syntax: keepalive_disable none | browser ...; Default: keepalive_disable msie6; Context: http, server, location Disables keep-alive connections with misbehaving browsers. The browser parameters specify which browsers will be affected. The value msie6 disables keep-alive connections with old versions of MSIE, once a POST request is received. The value safari disables keep-alive connections with Safari and Safari-like browsers on Mac OS X and Mac OS X-like operating systems. The valu

Syntax: fastcgi_param parameter value [if_not_empty]; Default: — Context: http, server, location Sets a parameter that should be passed to the FastCGI server. The value can contain text, variables, and their combination. These directives are inherited from the previous level if and only if there are no fastcgi_param directives defined on the current level. The following example shows the minimum required settings for PHP: fastcgi_param SCRIPT_FILENAME /home/www/scripts

Syntax: fastcgi_ignore_client_abort on | off; Default: fastcgi_ignore_client_abort off; Context: http, server, location Determines whether the connection with a FastCGI server should be closed when a client closes the connection without waiting for a response.

Syntax: scgi_cache_valid [code ...] time; Default: — Context: http, server, location Sets caching time for different response codes. For example, the following directives scgi_cache_valid 200 302 10m; scgi_cache_valid 404 1m; set 10 minutes of caching for responses with codes 200 and 302 and 1 minute for responses with code 404. If only caching time is specified scgi_cache_valid 5m; then only 200, 301, and 302 responses are cached. In addition, the any parameter ca

Syntax: client_body_buffer_size size; Default: client_body_buffer_size 8k|16k; Context: http, server, location Sets buffer size for reading client request body. In case the request body is larger than the buffer, the whole body or only its part is written to a temporary file. By default, buffer size is equal to two memory pages. This is 8K on x86, other 32-bit platforms, and x86-64. It is usually 16K on other 64-bit platforms.

Syntax: uwsgi_connect_timeout time; Default: uwsgi_connect_timeout 60s; Context: http, server, location Defines a timeout for establishing a connection with a uwsgi server. It should be noted that this timeout cannot usually exceed 75 seconds.