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Table of Contents
Understand the basic principles
Configure Apache's port virtual host
How to configure Nginx?
Notes and FAQs
Home Operation and Maintenance Apache How to configure a port-based virtual host?

How to configure a port-based virtual host?

Jul 18, 2025 am 04:08 AM
port virtual host

The key to configuring a port-based virtual host is to distinguish multiple website services through different ports so that they run on the same server without interfering with each other. 1. First, when configuring in Apache, you need to open the httpd.conf or ports.conf file and add listening ports such as Listen 8080 and Listen 8000; 2. Then create VirtualHost blocks in the virtual host configuration file, specifying different ports, document root directory and server names respectively; 3. Enable configuration and restart the Apache service, while ensuring that the firewall releases the corresponding ports. The configuration steps of Nginx are similar: 1. Modify the server block and set the listen instruction to different ports such as 8080 and 8000; 2. Specify the root and server_name parameters respectively; 3. Use nginx -t to check the configuration and overload the service to take effect changes. Notes include: ensuring that the port is not occupied, public network servers open security group rules, avoiding exposure of sensitive services to non-standard ports, and that each virtual host must bind a unique port.

Configuring a port-based virtual host is not complicated, but it requires a certain understanding of the network basics and web server configuration. The key is to distinguish multiple website services through different ports so that they run on the same server without interfering with each other.

Understand the basic principles

Port-based virtual hosts rely on the "port number" in the TCP/IP protocol to identify different services. By default, HTTP uses port 80 and HTTPS uses port 443. If you bind multiple websites to different ports (such as 8080, 8000), add the port number when accessing, you can open the corresponding site.

This method is suitable for internal testing environments or when you are unable to use domain names, such as:

  • Testing new projects will not affect the main site
  • Build multiple services in the internal LAN
  • Without DNS resolution permissions

Configure Apache's port virtual host

Apache is a common web server software and is also more intuitive to configure. The steps are as follows:

  1. Add a listening port
    Open the httpd.conf or ports.conf file and add the port you want to use, for example:

     Listen 8080
Listen 8000

  2. Create a virtual host configuration block
    In the virtual host configuration file (usually in sites-available directory), add something like the following:

     <VirtualHost *:8080>
    ServerAdmin admin@example.com
    DocumentRoot "/var/www/site1"
    ServerName localhost
</VirtualHost>

<VirtualHost *:8000>
    ServerAdmin admin@example.com
    DocumentRoot "/var/www/site2"
    ServerName localhost
</VirtualHost>

  3. Enable configuration and restart Apache
    Some systems need to enable the site with the a2ensite command and then restart the service to make the configuration take effect.

Note: If the firewall restricts these ports, remember to release the corresponding ports in the firewall.

How to configure Nginx?

The configuration method of Nginx is similar, but the syntax is slightly different.

  1. Modify the listening port of the server block
    For example, if you want to use 8080 and 8000:

     server {
    listen 8080;
    server_name localhost;
    root /var/www/site1;
}

server {
    listen 8000;
    server_name localhost;
    root /var/www/site2;
}

  2. Check the configuration and overload the service
    Use nginx -t to check whether the configuration is correct, and after no problem, execute systemctl reload nginx .

Tips: You can use your browser to access http://服務(wù)器IP:8080 to test whether it is effective.

Notes and FAQs

  • Make sure the port is not occupied: you can view it with netstat -tuln | grep 端口號(hào).
  • If it is a public network server, you must confirm that the security group or cloud platform firewall has opened the corresponding port.
  • It is not recommended to expose sensitive services to non-standard ports without protection, as they are easily targeted.
  • It's OK to share one IP for multiple services, but each virtual host must have a different port bound.

Basically that's it. As long as you understand the mapping relationship between the listening port and the service directory, the rest is to write the configuration according to the template.

The above is the detailed content of How to configure a port-based virtual host?. For more information, please follow other related articles on the PHP Chinese website!

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