Nginx Variables API Reference

`Variables`

6 methods

Commonly used built-in variables available in the http context.

$host

Lowercase host name from the request line, or Host header, or server name matched.

string

nginx

add_header X-Served-For $host;

$request_uri

Full original request URI including query string, unmodified.

string

nginx

return 301 https://$host$request_uri;

$remote_addr

Client IP address of the connection.

string

nginx

log_format main '$remote_addr - $remote_user [$time_local] "$request"';

$args | $query_string

Full query string from the request line; identical values.

string

nginx

if ($args ~* ^debug=1) { add_header X-Debug on; }

$scheme

Request scheme: http or https.

string

nginx

return 301 $scheme://example.com$request_uri;

$http_<name>

Value of the request header whose lowercased name with dashes replaced by underscores is <name>.

Name	Type	Description
name	string	Header name with dashes converted to underscores (e.g. x_request_id for X-Request-Id).

string

nginx

proxy_set_header X-Request-Id $http_x_request_id;