To install Squid on CentOS 8, you can follow the steps below: Step 1: Update System Packages ```html

$ sudo dnf update

``` Step 2: Install Squid ```html

$ sudo dnf install squid

``` Step 3: Start and Enable Squid Service ```html

$ sudo systemctl start squid
$ sudo systemctl enable squid

``` Step 4: Configure Firewall ```html

$ sudo firewall-cmd --add-port=3128/tcp --permanent
$ sudo firewall-cmd --reload

``` By default, Squid is configured to run on port 3128. Adjust the firewall settings according to your specific setup. Step 5: Test Squid Proxy To test if Squid proxy is working correctly, you can set up your browser or system to use the proxy server with port 3128. You should be able to access the internet through the proxy server. Brief Information about Squid: Squid is a popular open-source proxy/cache server that is commonly used for web content caching, speeding up web access and improving network performance. It is highly configurable and can serve as a proxy for HTTP, HTTPS, FTP, and many other protocols. Squid caches frequently requested web pages and objects in memory to reduce the bandwidth usage and response time for future requests. It also supports various features like access control, authentication, logging, and SSL/TLS encryption. Using Squid as a proxy server can benefit organizations by reducing the load on internet connections, saving bandwidth costs, improving user experience, and providing access control and content filtering capabilities.