access

This module allows limiting access to certain client addresses.

geo

This module creates variables, whose values depend on the IP-address of the client.

geoip

This module creates variables based on the IP-address of the client matched against the MaxMind GeoIP binary files.

geoip2

This module creates variables based on the IP-address of the client matched against the MaxMind GeoIP2 binary files.

javascript

This module implements location and variable handlers in nginScript.

limit_conn

This module is used to limit the number of connections per the defined key.

map

This module allows you to classify, or map a set of values into a different set of values and store the result in a variable.

realip

This module allows to change the client's IP address to value from request header (e. g. X-Real-IP or X-Forwarded-For).

return

This module allows sending a specified value to the client and then closing the connection.

split_clients

This module provides A/B testing support.

ssl_preread

This module allows extracting information from the ClientHello message without terminating SSL/TLS.

upstream_hash

This module provides the ability to distribute upstream requests based on hashed key value.

upstream_least_conn

This module provides the ability to distribute upstream requests using load balancing methods.

upstream_zone

This module makes it possible to define a shared memory zone that keeps the group's configuration and run-time state that are shared between worker processes.