Guide – How To Start – Squid Proxy Server with Webmin GUI on CentOS 7.9

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. Squid has extensive access controls and makes a great server accelerator.

This is a quick deployment and ready-to-run image.
Simple and rapid installation. Easy to maintain.

The connection to Squid Proxy Server with Webmin GUI on CentOS 7.9 using Windows settings

To start the server, run the VM through Azure Portal.

  1. For the connection to the server, you should know the IP address of the VM. You can find it in the personal account of Azure. You need to select the virtual machine from the list. By clicking the item “Overview”, your IP is displayed in the line “Public IP Address
  1. To work, you must open TCP ports 3128 and 10000 in the network properties in the Azure firewall.
  1. To access the Webmin GUI, go to https://*vm_ip*:10000
  1. When you go to the address, you will need to accept a self-signed certificate, for this, click the “Advanced” button and then “Proceed to*vm_ip*”
  1. The authorization page will open. Use the username webminadmin and password admin.
  1. To go to squid settings, click on “Servers” and select “Squid Proxy Server”.
  1. To create a new user, the data that must be entered when connecting to the proxy can be performed using “Proxy Authentication”
  1. Click “Add a new proxy user” to add a new user. If you want to delete or change the old user, click on his name (in this case, “uadmin1”)
  1. Enter the Username and Password for the new account and the “Create” button (password must not exceed 10 characters)
  1. To apply the changes, click the “Apply Changes” button (looks like an update button)
  1. Further, in order to enable the proxy, you must click “Start”. Then select “Settings”
  1. In Settings select “Network & Internet.”
  1. Go to the “Proxy” section and set the “Use a proxy server” switch to On
  1. In the Address field, enter the address of the VM, and in the Port field, specify 3128. Then click the “Save” button.
  1. To check the connection to the proxy server, open the website in any browser and check if your IP address has changed.
  1. When you connect through the proxy server (for example, in the chrome browser), will be requested login and password for access. Enter the data that you used when registering a new Proxy User.

You can find more information about proxy server settings at the following links:

SquidFaq – Squid Web Proxy Wiki
Optimising Web Delivery
FrontPage – Squid Web Proxy Wiki
Optimising Web Delivery

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