Configure the squid proxy as Web Filter

Block specific web site:

For example, we can see how to block specific web sites like this facebook ,yahoo and orkut.

Step1:Create the file and add the site names

#vim /etc/squid/badsite.conf

###block site

www.facebook.com

www.google.com

www.orkut.com

Step2:Open squid configuration file and create new acl

#vim /etc/squid/squid.conf

acl Safe_ports port 591 # filemaker

acl Safe_ports port 777 # multiling http

acl CONNECT method CONNECT

##Add acl Badsites##

acl badsits dstdomain "/etc/squid/badsites.conf"

# Recommended minimum Access Permission configuration:

#

# Only allow cachemgr access from localhost

http_access allow manager localhost

http_access deny manager

##Deny access to badsites##

http_access deny badsites

Step3: Restart the service

#service squid restart

     you try to access the facebook ,google and orkut in your browser. you could see blocked page as below.

To block a particular web sites URL and Domain:

###Block URL ###

Step1:Open the squid.conf and add the URL name

#vim /etc/squid/squid.conf

###Block URL###

acl bad_url dstdomain www.facebook.com

http_access deny bad_url

Step2: Restart the service and try to access the URL

#service squid restart.

Open -Web browser – Enter the URL: http//www.facebook.com.

You could see the block messages.

###Block Domain Names####

Step1:Open the squid configuration file and add the domain names

#vim /etc/squid/squid.conf

###Block particular Domain###

acl bad-domain dstdomain .facebook .yahoo.com .orkut.com

http_access deny bad-domain

Step2: Restart the service and try to access the domain names

#service squid restart

Open -Web Browser -Enter Doamin Name: facebook.com , orkut.com, yahoo.com