Syntax: fastcgi_bind address [transparent] | off;

Syntax: fastcgi_cache_lock on | off; Default: fastcgi_cache_lock

Syntax: geoip_proxy_recursive on | off; Default: geoip_proxy_recursive

Syntax: imap_client_buffer size; Default: imap_client_buffer 4k|8k;

Syntax: preread_timeout timeout; Default: preread_timeout 30s;

Syntax: map_hash_max_size size; Default: map_hash_max_size 2048;

Syntax: least_conn; Default: — Context: upstream

Syntax: variables_hash_max_size size; Default: variables_hash_max_size

Syntax: request_pool_size size; Default: request_pool_size 4k;

Syntax: server_tokens on | off | string; Default: