The use of Nginx Proxy Manager and SSL certificate: ensuring website security

Usage of Nginx Proxy Manager and SSL certificate: To ensure website security, specific code examples are required

Abstract: This article aims to introduce the use of Nginx Proxy Manager and SSL certificate. To ensure the security of the website. This article will introduce the basic concepts and functions of Nginx Proxy Manager, and use specific code examples to show how to configure an SSL certificate to ensure the security of the website.

1. Introduction
   In the modern Internet environment, the security of the website is crucial. As a method of encrypted communication, SSL certificates have become one of the standard means of ensuring website security. Nginx Proxy Manager is a proxy management tool based on Nginx. It provides a convenient interface to configure and manage web servers and reverse proxies.
2. Introduction to Nginx Proxy Manager
   Nginx Proxy Manager is a reverse proxy management tool based on Nginx. It provides an easy-to-use web interface for managing virtual hosts, reverse proxies, SSL certificates and Access control and other functions.

Through Nginx Proxy Manager, we can create multiple virtual hosts and assign these hosts to different domain names. At the same time, we can configure reverse proxy rules for each virtual host to forward requests from different domain names to different back-end servers. In addition, Nginx Proxy Manager also supports the management and configuration of SSL certificates to encrypt website communications.

3. Install and start Nginx Proxy Manager
   First, we need to install Nginx Proxy Manager. It can be done by following steps:

Step 1: Install Docker

sudo apt-get update
sudo apt-get install docker.io

Step 2: Start Nginx Proxy Manager container

sudo docker run -d -p 80:80 -p 81:81 -p 443:443 --name nginx-proxy-manager -v ~/nginx-proxy-manager:/data --restart always jlesage/nginx-proxy-manager

In this way, Nginx Proxy Manager is successful Installed and started. We can open the Nginx Proxy Manager web interface by accessing http://localhost:81 through the browser.

4. Configure SSL Certificate
   Next, we need to configure the SSL certificate to ensure the security of the website. First, we need to obtain an SSL certificate, which can be accomplished by following these steps:

Step 1: Open the web interface of Nginx Proxy Manager and log in.
Step 2: Click the "SSL Certificate" option in the left navigation bar.
Step 3: Click the " " button in the upper right corner to enter the SSL certificate configuration page.
Step 4: Enter your domain name in the "Domain name" field and click the "Save" button.

In this way, Nginx Proxy Manager will automatically help us obtain and set up the SSL certificate.

5. Configure reverse proxy
   Next, we need to configure reverse proxy rules for the virtual host to forward requests from different domain names to different backend servers. Here is an example reverse proxy configuration:

location / {
    proxy_pass http://backend_server;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

Replace backend_server in the above code with your backend server address.

6. Configure access control
   In order to increase the security of the website, we can also configure access control to restrict access to the virtual host. The following is an example access control configuration:

location / {
    allow IP1;
    allow IP2;
    deny all;
    # other configurations...
}

Replace IP1 and IP2 in the above code with the IP addresses you allow access to.

7. Conclusion
   This article introduces the use of Nginx Proxy Manager and SSL certificate to ensure the security of the website. Through Nginx Proxy Manager, we can easily configure reverse proxy and SSL certificate. At the same time, through specific code examples, we show how to configure SSL certificates and how to configure reverse proxy and access control. I hope this article will help you understand and apply Nginx Proxy Manager.

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