NPM (Nginx Proxy Manager) – Configure Basic HTTP Authentication and Use Universal SSL Certificate from Cloudflare

This post is to show you some useful features from NPM. You can restrict access to your website or some parts of it by implementing a username/password authentication. One of NPM (Nginx Proxy Manager) features is 

• Access Lists and basic HTTP Authentication for your hosts

You also can add a wilecard certificate from Cloudflare into NPM. In this way, you don't have to apply each certificate for your each subdomain. 

Steps to configure basic http authentication

1. Create Access List

2. Creaet a nwe Proxy host and assign access-list to it

3. Apply a new SSL certificate for your website "notepad.51sec.org"

4. Assign this new applied certificate to our Proxy Host

5. Testing with https://notepad.51sec.org/51sec

If you entered the wrong usernmae/password, you will get an 401 authentication failed message.