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: memcached_next_upstream_timeout time; Default: memcached_next_upstream_timeout 0; Context: http, server, location This directive appeared in version 1.7.5. Limits the time during which a request can be passed to the next server. The 0 value turns off this limitation.

Syntax: spdy_headers_comp level; Default: spdy_headers_comp 0; Context: http, server Sets the header compression level of a response in a range from 1 (fastest, less compression) to 9 (slowest, best compression). The special value 0 turns off the header compression.

Syntax: fastcgi_cache_lock_timeout time; Default: fastcgi_cache_lock_timeout 5s; Context: http, server, location This directive appeared in version 1.1.12. Sets a timeout for fastcgi_cache_lock. When the time expires, the request will be passed to the FastCGI server, however, the response will not be cached. Before 1.7.8, the response could be cached.

Syntax: hash key [consistent]; Default: — Context: upstream Specifies a load balancing method for a server group where client-server mapping is based on the hashed key value. The key can contain text, variables, and their combinations (1.11.2). Usage example: hash $remote_addr; Note that adding or removing a server from the group may result in remapping most of the keys to different servers. The method is compatible with the Cache::Memcached Perl library. If the consistent pa

Syntax: ssl_verify_depth number; Default: ssl_verify_depth 1; Context: mail, server This directive appeared in version 1.7.11. Sets the verification depth in the client certificates chain.

Syntax: proxy_buffer_size size; Default: proxy_buffer_size 4k|8k; Context: http, server, location Sets the size of the buffer used for reading the first part of the response received from the proxied server. This part usually contains a small response header. By default, the buffer size is equal to one memory page. This is either 4K or 8K, depending on a platform. It can be made smaller, however.

Syntax: empty_gif; Default: — Context: location Turns on module processing in a surrounding location.

Syntax: proxy_next_upstream on | off; Default: proxy_next_upstream on; Context: stream, server When a connection to the proxied server cannot be established, determines whether a client connection will be passed to the next server. Passing a connection to the next server can be limited by the number of tries and by time.

Syntax: proxy_pass_request_headers on | off; Default: proxy_pass_request_headers on; Context: http, server, location Indicates whether the header fields of the original request are passed to the proxied server. location /x-accel-redirect-here/ { proxy_method GET; proxy_pass_request_headers off; proxy_pass_request_body off; proxy_pass ... } See also the proxy_set_header and proxy_pass_request_body directives.