How to Install Squid on CentOS 7


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Installing Squid on CentOS 7

Squid is a widely used open-source caching proxy server that can improve the speed and efficiency of web browsing by caching frequently requested web content. It acts as a middleman between clients and web servers, caching and delivering web content to clients much faster than if they were directly accessed from the server.

To install Squid on CentOS 7, follow the steps below:

 sudo yum update -y 
 sudo yum install squid -y 
 sudo systemctl start squid sudo systemctl enable squid 

The main configuration file for Squid is located at /etc/squid/squid.conf. You can use any text editor to modify it, for example, nano:

 sudo nano /etc/squid/squid.conf 

To configure Squid for general use, you may want to tweak settings such as the cache size, allowed networks, or tags for access control. However, the default configuration should be sufficient for basic usage.

Make sure to allow incoming connections on the port that Squid listens on (default is 3128). If you are using the default CentOS 7 firewall (firewalld), use the following command:

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

After completing the installation and configuration, you can test Squid by configuring your client's web browser to use the Squid server as a proxy. By doing so, you should notice improved page loading times, as Squid is now caching the web content.

You can monitor Squid for performance, cache usage, and any issues using the Squid logs or by using various third-party tools such as SquidGuard or web-based monitoring solutions.

  1. Update system packages:
  2. Install Squid:
  3. Start and enable Squid service:
  4. Configure Squid:
  5. Allow Squid in firewall:
  6. Test Squid:
  7. Monitor Squid:

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