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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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When its icon is clicked on, the page shown in the screenshot below will appear, assuming that Squid is installed and configured correctly. As you can see, the main page consists only of a table of icons, each of which can be clicked on to bring up a form for editing settings in that category.

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 contiguracion your network.

Squid Proxy Server

To start Squid, click on the Start Squid link in the upper right corner of the main module page. Squid will also cache valid passwords as explained above to reduce the load on the authentication program, so a password change may take some time to take effect. You should now have a proxy set up to block all access to Facebook I’m not advocating this practice, just using it as an example. This will bring up an editing form identical to the one used for creating the restriction, but with Save and Delete buttons at the bottom.

Once you have Webmin up and running, you are very close to having Squid installed.

This page was last modified on 15 Septemberat Your plan for using the proxy will dictate how you configure it. All of the instructions in this chapter are written for Squid 2. Click on the Access Control icon to edit the access control lists and access rules for your proxy. Webmin, of course, will do this for you. Socks is not supported by Squid, though there are a few good Open Source Socks proxies available.

Just defining an ACL in the Squid configuration does not actually do anything – it must be applied in some way to have any effect. 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 If you are running an older or newer release, different fields may appear on the forms or have more or fewer options.


A proxy is also used for caching commonly requested pages so that if more than one client wants to view the same page it only has to be downloaded once. Inside the Raspberry Pi: The steps to do this are:. It is open source and is freely available for download from www.

In cases like this the ACL is automatically assumed not to match. Navigation menu Personal tools English Log in. After you log in to Webmin as an administrator, you can have Webmin install Squid and then enable the module for you. Because being able to view web pages is extremely useful, a proxy is often set up so that websites can be accessed through it.

Back at the module index, click Apply Changes to restart Squid with the newly created restrictions. And remember, Squid can be used for a lot more than blocking domains. This tutorial assumes you have already installed Squid, and have configured Webmin to know where to find all of the appropriate Squid files. The actual program that handles client requests is a permanently running server process called squid. It is also handy for keeping track of who has requested what through the proxy, as usernames are recorded in the Squid logs.

Squid is usually quite forthcoming about problems that might prevent it from starting or operating correctly. If you want to set up or configure Squid from within Cofiguracion, you will need to use the Squid Proxy Server module, found under the Servers category.

On the proxy selection page, choose the Allow option for the Action, and select localnet in the Match ACLs selection box. This may be done for security reasons, or to limit what employees can access on the Internet. Even though it is possible to write a program that does proxy authentication against the UNIX user database, there is another solution—configuring the module to add, delete, and update proxy users whenever a UNIX user is created, removed, or renamed.

Configure a Squid proxy server through Webmin

You can use the Webmin file manager, or you can add this log to the System Logs module for viewing there read the section covering that module for information on adding non-syslog log files to make them viewable. Let’s say you want to block Facebook using Squid. The most common use of ACLs is blocking connections from clients outside your network.


For example, each new version has introduced different ACL types, and authentication has been handled in three different ways through the history of the program. However, the basic concepts have always been the same.

DebianEdu/HowTo/SquidGuard/Webmin – Debian Wiki

If you’ve installed from a vendor supplied package, Webmin will probably already know where to find everything. Next, you need to add squud proxy restriction configurwcion permit the clients matched by the localnet ACL to use the proxy. You can apply this same idea to nearly anything you’d like to block.

The cache options form. The table below lists those that you can create for Squid 2. These instructions assume that you are starting with the default Squid configuration. If you continue seeing this error, here’s what you need to do:. The only change that must be made before using your Squid Proxy Server installation is to wrbmin access for your local users. I will walk you through the steps of setting up a Squid proxy server through the Webmin tool.

With the Webmin administration portal, you can easily set up a Squid proxy server and manage that proxy with the user friendly web-based administration tool. For more news about Jack Wallen, visit his website jackwallen. If Calamaris is installed on your system, Webmin will generate an access report on demand whenever you click the Calamaris icon on the Squid module main page.

In its usual default configuration, Squid uses a single directory for storing cached pages. A proxy is only useful webmi client browsers are configured to use it instead of connecting to web sites directly. For this reason, the final action in most Squid configurations is Allow all or Deny all.

Next, specify your network either in terms of a network range, or by specifying a network and netmask. It is worthwhile to then check the information provided by Squid during its startup in the cache.