Nginx HTTP Server - Fourth Edition

Limits, timeouts, and errors

The following directives will help you define timeout behavior, as well as various limitations regarding communications with the backend server:

Directive	Description
proxy_connect_timeout Context: http, server, location	Defines the backend server connection timeout. This is different from the read/send timeout. If Nginx is already connected to the backend server, the proxy_connect_timeout is not applicable. Syntax: Time value (in seconds) Example: proxy_connect_timeout 15;
proxy_read_timeout Context: http, server, location	The timeout for reading data from the backend server. This timeout isn't applied to the entire response delay but between two read operations instead. Syntax: Time value ...