NGINX Cookbook

How to do it...

To provide connection limiting, we first need to define a shared memory space to use for tracking. This needs to be done outside of the server directive and generally placed in the main NGINX configuration file (nginx.conf). Here's our directive:

limit_conn_zone $binary_remote_addr zone=conlimitzone:10m; 

Then, we incorporate this into our server block directive:

server { 
    listen 80; 
    server_name limitcon.nginxcookbook.com; 
    access_log  /var/log/nginx/limitcon.log  combined; 
    location / { 
        root   /var/www/html; 
        limit_conn conlimitzone 1; 
        limit_rate 5m; 
        index  index.html index.htm; 
    } 
} 

We can confirm this by downloading a large file via the browser and then opening another tab. If you navigate to any other page from the same site, you ...