After running successfully Transparent proxy of Squid in Intranet or LAN, How to block Illegal sites through Dansguardian:
1) Need to check Transparent squid proxy running in LAN if running well go through below procedure:
2)Get Dansguadian file from http://rpmfind.net and search Dansguardian, get "dansguardian-2.8.0.6-1.2.el4.rpm" save to /opt.
3) Go to CD /opt : install Dansguardian software
"rpm -ivh dansguardian-2.8.0.6-1.2.el4.rpm"
after success install of Dansguardian file......
4) Copy the file "Dansguardian.pl" from /var/www/dansguardian to /var/www/cgi-bin
5)Edit below file:
Vi /etc/dansguardian/dansguardian.conf
============================================
Filter port = 8080
Proxy ip = 192.168.0.1 (eth1 IP)
Proxy port = 3128
============================================
6)Edit another file like below:
Vi /etc/httpd/conf.d/dansguardian.conf
==================================================
Script Alias /dansguardian/ /var/www/danguardian/
DirectoryIndex dansguardian.pl
Options ExecCGI
Order allow, deny
Allow from all
Allow from 127.0.0.1
=================================================
7) In browser of LAN or INTRANET put proxy IP AND PORT :
Proxy IP: 192.168.0.1 Port: 8080
8) All Illegal url blocked, can't access withthis proxy.
9) Need to enable Dansguarian from Boot: "ntsysv" and check Dansguardian, OK.
10) service dansguardian start
11) service network restart
12) service iptables restart
Credits: nsharif.blogspot.com