Use squid to build a simple Proxy Server

Test performed under a virtual machine.

VM 1: (dual Nic)

The Intranet IP address of eth0 is 192.168.0.100/24.

Eth1 configure an Internet virtual IP address 200.168.0.100/24

VM 2:

IP Address: 200.168.0.101/24 (for test, it is in the same network segment as the above IP address)

PC:

192.168.0.110

1. Install squid

Install with yum

Yum install squid *-y

Modify configurations

VI/etc/squid. conf

Http_port 192.168.0.100: 3128

Visible_hostname 192.168.0.100

Cache_dir ufs/var/spool/squid 100 16 256 (16 indicates that 16 level-1 directories are created. Each level-1 directory has 256 level-2 directories. 100 indicates the size)

Add ACL filter rules

ACL name rules

ACL innet 192.168.0.0/24

ACL all 0.0.0.0/0.0.0.0

Http_access allow innet # Allow

Http_access deny all # prohibited IP segments

Start
Service squid restart
Reload
Squid-K reconfig

Change Firewall

Open Port 3128.

Test phase

Change iesettings

Enable a web server on VM 2

Enter 200.168.0.109 in the address bar of IE browser on PC for testing

Use squid to build a simple Proxy Server