Squid is the most popular proxy server for UNIX/Linux systems. Webmin is a web-based system configuration tool for Unix-like systems, configure operating. This how-to explains how to install the current version of Squid Proxy on a CentOS 7 VM with Webmin, Apache, and SARG with update support. Configuring Squid. The easiest way to configure squid is via the Webmin™ interface. To configure squid to allow access from all hosts on port , follow these.

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By default Squid denies access to all users from any source. It is worthwhile to then check the information provided by Squid during its startup in the cache. Initializing the Cache Directory You may have noticed, on the front page of the Webmin Squid module, there is a warning that the configured cache directory has conffiguracion been initialized. Webmln might also want to edit the listening address so that only clients on your internal network can connect, if your system has more than one network interface.

If for some reason you delete all the proxy restrictions, Squid will allow all requests from all clients, which is probably not a good idea.

All of the instructions in this chapter are written for Squid 2. Let’s say you want to block Facebook using Squid. The Squid module main page. First, enter a name, like localnet, in the Name cnfiguracion. This is most useful for keeping usernames and passwords in confihuracion without needing to grant access to every confiiguracion UNIX user.


ACLs access control lists are possibly Squid’s most powerful feature. If the proxy has already been configured to allow access from anywhere by changing the Deny all restriction to Allow allyou should change it back again to block clients from outside your network. When its icon is clicked on, the page shown in the screenshot below will appear, assuming that Squid is installed and configured correctly.

DebianEdu/HowTo/SquidGuard/Webmin – Debian Wiki

However, the basic concepts have always been the same. It is unwise to configure or allow Squid to use up all free disk space, as many filesystems suffer reduced performance when nearly full. Browsers will pop up a login window for entering a username and password to be sent to the proxy the first time it requests them, and automatically send the same information for all subsequent requests.

Opening access to local clients The only change that must be made before using your Squid Proxy Server installation is to open access for your local users.

Before starting Squid, you’ll want to make sure it gets initialized. If you have only 10 addresses for example that you would like to be permitted to use your proxy you could enter, for example, a From IP of Delivered Wednesdays and Fridays.

In order to be able to enable the Squid module, Squid needs to be installed; fortunately, Webmin is smart enough to handle this task for configuraciln.

Squid Proxy Server

Again, Apply Changes must be clicked to make any modifications or deletions active. Regardless of how you use it, you will want to define the ports used by the proxy first.

This is to prevent your proxy from being used for illicit purposes by users outside of your local network and you’d be amazed at how many nasty things someone can do with an open proxy. Now that authentication is enabled, any attempts to use your proxy from a web browser will cause a login window to appear.


This file consists of a series of directives, one vonfiguracion line, each of which has a name and value. The table below lists those that you can create for Squid 2.

Doing this is browser dependent. Many versions of Squid have been released over the years, each of which has supported different configuration directives or assigned different meanings to the same directives. This means that the Webmin module’s user interface is the same across operating systems as well, with the exception of the default paths that it uses for the Squid programs and configuration files.

Because being able to view web pages is extremely useful, a proxy is often set up so that websites can be accessed through it. These instructions assume that you are starting with the default Squid configuration.

Configure a Squid proxy server through Webmin

If you run a proxy server that is connected to and accessible from the Internet, hosts outside your local network should not be allowed to use it. Click on the Access Control icon to edit the access control lists and access confguracion for your proxy. The steps to do this are:.

In its usual default configuration, Squid uses a single directory for storing cached pages.