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Squid HTTP Proxy installation on Ubuntu Server

You can use the Squid proxy instead of Apache on the Ubuntu Server. To install and configure Squid on the Ubuntu Server (and similar Debian-based Linux distributions), follow the steps below:

1.Install the Squid3 package:

sudo apt-get install squid3

2.Edit the Squid configuration file /etc/squid3/squid.conf and replace:

#cache_dir ufs /var/spool/squid3 100 16 256


cache_dir ufs /var/spool/squid3 3000 16 256 max-size=200000000



You can change the total cache size (3000 MB in the example) and the number of first-level sub-directories (16 in the example) and second-level sub-directories (256 in the example) in the cache directory.

Parameter max-size defines the maximum cached file size in bytes.

3.Stop the squid3 service.

sudo systemctl stop squid3
sudo squid3 –z

4.Edit the Squid configuration file again and add http_access allow all before http_access deny all to allow all clients to access the proxy.

5.Restart the squid3 service:

sudo systemctl restart squid3