How To Install Squid On Centos 7

Squid Proxy Server is a popular proxy server that sits between client browser and your website and allows yous to hands cache frequently requested spider web pages on your site. It improves website speed & performance. In this commodity, nosotros will look at how to install & configure Squid Proxy Server in CentOS 7. You tin can also use these steps on Redhat & Fedora Linux systems.

How to Install & Configure Squid Proxy Server

Here are the steps to install & configure squid proxy server.

i. Update Software Repositories

Open up terminal and run the following command to update CentOS software repositories.

$          sudo yum -y update        

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2. Install Squid Package

Run the post-obit command to install Squid Package.

$          yum -y install squid        

If you run across whatever prompts during installation, enter Y.

One time Squid server is installed, start it with the following control.

$ sudo systemctl start squid

If yous want to automatically start squid at the time of boot, run the following command.

$ sudo systemctl enable squid

If you desire to view the status of your squid server, run the following command

$ sudo systemctl status squid

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3. Configure Squid Proxy Server

Side by side, nosotros volition configure Squid Proxy Server. Open its configuration file found at /etc/squid/squid.conf using a text editor.

$ sudo half dozen /etc/squid/squid.conf

Look for the following line

http_port 3128

If you desire to alter the port to some other number, replace 3128 with a port number of your choice. Too, set the proxy style to transparent if you don't desire the Squid proxy server to change the requests & responses of your website.

http_port 3128 transparent

Delight make sure that you have opened port 3128 on your firewall.

By default, Squid Proxy server is configured to block all incoming HTTP traffic using the following line.

          http_access deny all        

Modify information technology to

          http_access permit all        

Restart Squid proxy to use changes.

$          sudo systemctl restart squid        

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iv. Configure Squid Client

On your client car, open up your web browser (due east.g. Firefox) and get to

Carte > Options > Network Settings > Settings

Select Manual proxy configuration in the displayed window. In the HTTP Proxy textbox, enter the IP address of machine that hosts your proxy server.

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At this indicate, y'all are good to use Squid Proxy. Nosotros have provided some optional configurations, in case you need them.

Create Access Control List (ACL)

If y'all are unable to access your proxy server from exterior its network, then create an admission command list. Open Squid Proxy configuration file

$ sudo vi /etc/squid/squid.conf

Add the following line to allow access from 54.43.32.21

          acl localnet src          54.43.32.21

You tin also allow admission from an IP range using CIDR notations

                      acl localnet src            54.43.32.0/24

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Set up basic hallmark

Squid also supports basic hallmark. Run the post-obit control to install httpd-tools

yum -y install httpd-tools

Once the installation is consummate, create new file

$ sudo          touch /etc/squid/passwd && chown squid /etc/squid/passwd        

Use the following control to create countersign, replace user_name with your username

          htpasswd /etc/squid/passwd user_name

Enter the password for this new user, when prompted.

Open Squid Proxy configuration file

$ sudo six /etc/squid/squid.conf

Add together the following lines.

auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/passwd auth_param basic children 5 auth_param bones realm Squid Basic Authentication auth_param basic credentialsttl 2 hours acl auth_users proxy_auth REQUIRED http_access allow auth_users        

Restart Squid Proxy Server to apply changes.

$          sudo systemctl restart squid        

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How to Cake Websites using Squid Proxy

Squid proxy too allows you to block specific websites. Create a new file to list blocked websites

$ sudo 6 /etc/squid/blocked.acl

Add the websites to exist blocked, one per line. Each starting with a dot.

.twitter.com .facebook.com .pinterest.com

Open Squid configuration file

$ sudo half-dozen /etc/squid/squid.conf

Add the following lines to a higher place your ACL list

          acl blocked_websites dstdomain "/etc/squid/blocked.acl"          http_access deny blocked_websites        

Salvage and shut the file. Restart Squid Proxy to apply changes.

$ sudo systemctl restart squid

That's it. Now your listing of specified websites volition be blocked.

In this article, we have looked at how to install and configure Squid Proxy server. We take also looked diverse boosted configuration options.

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Source: https://fedingo.com/how-to-install-configure-squid-proxy-server-in-centos-7/

Posted by: sevignymues1965.blogspot.com

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