Syntax: memcached_gzip_flag flag; Default: — Context: http, server, location This directive appeared in version 1.3.6. Enables the test for the flag presence in the memcached server response and sets the “Content-Encoding” response header field to “gzip” if the flag is set.

Syntax: scgi_cache_max_range_offset number; Default: — Context: http, server, location This directive appeared in version 1.11.6. Sets an offset in bytes for byte-range requests. If the range is beyond the offset, the range request will be passed to the SCGI server and the response will not be cached.

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

Syntax: uwsgi_cache_lock_age time; Default: uwsgi_cache_lock_age 5s; Context: http, server, location This directive appeared in version 1.7.8. If the last request passed to the uwsgi server for populating a new cache element has not completed for the specified time, one more request may be passed to the uwsgi server.

Installing nginx nginx can be installed differently, depending on the operating system.

Syntax: upstream_conf; Default: — Context: location Turns on the HTTP interface of upstream configuration in the surrounding location. Access to this location should be limited. Configuration commands can be used to: view the group configuration; view, modify, or remove a server; add a new server. Since addresses in a group are not required to be unique, specific servers in a group are referenced by their IDs. IDs are assigned automatically and shown when adding a new server

Syntax: fastcgi_force_ranges on | off; Default: fastcgi_force_ranges off; Context: http, server, location This directive appeared in version 1.7.7. Enables byte-range support for both cached and uncached responses from the FastCGI server regardless of the “Accept-Ranges” field in these responses.

Syntax: ssl_session_tickets on | off; Default: ssl_session_tickets on; Context: http, server This directive appeared in version 1.5.9. Enables or disables session resumption through TLS session tickets.

Syntax: uwsgi_ssl_certificate file; Default: — Context: http, server, location This directive appeared in version 1.7.8. Specifies a file with the certificate in the PEM format used for authentication to a secured uwsgi server.

Syntax: allow address | CIDR | unix: | all; Default: — Context: stream, server Allows access for the specified network or address. If the special value unix: is specified, allows access for all UNIX-domain sockets.