Mastering Nginx

Appendix A

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Directive Explanation Context/Default

satisfy_any This is deprecated. Use the

any parameter of the satisfy

directive.

Valid contexts: http,

server, location

Default value: off

secure_link_secret A salt used to compute the MD5
hash of a URI.

Valid context:

location

Default value: -

send_lowat If non-zero, NGINX will try to
minimize the number of send
operations on client sockets.
Ignored in Linux, Solaris, and
Windows.

Valid contexts: http,

server, location

Default value: 0

send_timeout This directive sets a timeout
between two successive write
operations for a client receiving a
response.

Valid contexts: http,

server, location

Default value: 60s

sendfile Enable using sendfile(2) to

directly copy data from one file

descriptor to another.

Valid contexts: http,

server, location,

if in location

Default value: off

sendfile_max_chunk Sets the maximum size of data to
copy in one sendfile(2) call to
prevent a worker from seizing.

Valid contexts: http,

server, location

Default value: 0

server (http) Creates a new configuration
context, defining a virtual host.
The listen directive specifies
the IP address(es) and port(s);
the server_name directive lists
the Host header values that this
context matches.

Valid context: http

Default value: -

server (upstream) Refer to the Upstream modules
directives table in the The upstream
module section in Chapter 4, NGINX
as a Reverse Proxy.

Valid context:

upstream

Default value: -

server (mail) Creates a new configuration
context, defining a mail server.
The listen directive specifies
the IP address(es) and port(s); the
server_name directive sets the
name of the server.

Valid context: mail

Default value: -