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HTTP Basic Auth with nginx on CentOS 7

10 February 2016 by

The other day I decided to set up a fresh VPS for few of my small apps. Essentially it's a CentOs 7 box with nginx which serves one static site when requests come on one domain (in few different contexts/locations with different settings for each of them) and proxies traffic to a Node app on a different domain.

Since CentOS7 doesn't have httpd-tools package installed by default we'll need to install that first:

yum -y install httpd-tools

Next - use it to generate password. We will want to output this to a .htpasswd file. Assuming username "exampleuser":

htpasswd -c /etc/nginx/.htpasswd exampleuser

This will prompt you for password which will be later encrypted.

Then add these two lines to your nginx config (location or server block):

auth_basic "Restricted";
auth_basic_user_file /your-app-path/.htpasswd;

Restart nginx to pick up the changes and you should be asked for password when you next try to reach that URL.

sudo systemctl restart nginx

Extra reading: https://www.digitalocean.com/community/tutorials/how-to-set-up-http-authentication-with-nginx-on-ubuntu-12-10

https://www.digitalocean.com/community/tutorials/understanding-nginx-server-and-location-block-selection-algorithms


Tags: http, basic, auth, htpasswd, centos, nginx