Nginx HTTP Server - Fourth Edition

The stream module

The way TCP load balancing works in Nginx is remarkably similar to HTTP load balancing. However, since the module which brings forth the new set of directives is not included in the default build, you will need to run the configure command with the following flag before building the program:

 --with-stream

The stream module offers a new block called stream, which must be placed at the root of the configuration file (outside of the http block). In this block, you must declare two sets of directives:

• server declares a TCP server listening on a particular port, and optionally, a network interface, with or without SSL
• upstream defines a server group in a similar manner as seen previously

In your server blocks, the requests ...