Syntax: fastcgi_temp_file_write_size size; Default: fastcgi_temp_file_write_size 8k|16k; Context: http, server, location Limits the size of data written to a temporary file at a time, when buffering of responses from the FastCGI server to temporary files is enabled. By default, size is limited by two buffers set by the fastcgi_buffer_size and fastcgi_buffers directives. The maximum size of a temporary file is set by the fastcgi_max_temp_file_size directive.

Syntax: client_body_temp_path path [level1 [level2 [level3]]]; Default: client_body_temp_path client_body_temp; Context: http, server, location Defines a directory for storing temporary files holding client request bodies. Up to three-level subdirectory hierarchy can be used under the specified directory. For example, in the following configuration client_body_temp_path /spool/nginx/client_temp 1 2; a path to a temporary file might look like this: /spool/ngin

Syntax: scgi_store on | off | string; Default: scgi_store off; Context: http, server, location Enables saving of files to a disk. The on parameter saves files with paths corresponding to the directives alias or root. The off parameter disables saving of files. In addition, the file name can be set explicitly using the string with variables: scgi_store /data/www$original_uri; The modification time of files is set according to the received “Last-Modified” response he

Syntax: http { ... } Default: — Context: main Provides the configuration file context in which the HTTP server directives are specified.

Syntax: limit_req zone=name [burst=number] [nodelay]; Default: — Context: http, server, location Sets the shared memory zone and the maximum burst size of requests. If the requests rate exceeds the rate configured for a zone, their processing is delayed such that requests are processed at a defined rate. Excessive requests are delayed until their number exceeds the maximum burst size in which case the request is terminated with an error 503 (Service Temporarily Unavail

Syntax: proxy_http_version 1.0 | 1.1; Default: proxy_http_version 1.0; Context: http, server, location This directive appeared in version 1.1.4. Sets the HTTP protocol version for proxying. By default, version 1.0 is used. Version 1.1 is recommended for use with keepalive connections and NTLM authentication.

How nginx processes a request How to prevent processing requests with undefined server names Mixed name-based and IP-based virtual servers A simple PHP site configuration

Syntax: limit_conn_zone key zone=name:size; Default: — Context: stream Sets parameters for a shared memory zone that will keep states for various keys. In particular, the state includes the current number of connections. The key can contain text, variables, and their combinations (1.11.2). Connections with an empty key value are not accounted. Usage example: limit_conn_zone $binary_remote_addr zone=addr:10m; Here, the key is a client IP address set by the $binary_remot

Syntax: proxy_next_upstream_tries number; Default: proxy_next_upstream_tries 0; Context: http, server, location This directive appeared in version 1.7.5. Limits the number of possible tries for passing a request to the next server. The 0 value turns off this limitation.

Syntax: keepalive_timeout timeout [header_timeout]; Default: keepalive_timeout 75s; Context: http, server, location The first parameter sets a timeout during which a keep-alive client connection will stay open on the server side. The zero value disables keep-alive client connections. The optional second parameter sets a value in the “Keep-Alive: timeout=time” response header field. Two parameters may differ. The “Keep-Alive: timeout=time” header field is recognized by Mo