Dear sir 
 # Linux gurus, 
How can I block a specific website using squid?Please reply ASAP
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         I have one solution that can block user for surffing xxx wesite or download but useing in squid.conf :
Suppose u wana block download for tthe ip's ranges from 192.168.8.1-192.168.8.14 
First make an acl 
acl clients src 192.168.8.1-192.168.8.14 
After that , make a file in /etc directory and name it block 
Just add as meny exetentions which u want to block ..i.e suppose u wana block exe and zip download 
Just add the entries in that file like this 
.exe$ 
.zip$ 
Save the file and exit 
After that just add a new acl name it download 
acl download url_regex -i "/etc/block" 
and just add this below line in last 
http_access deny clients download 
http_access allow all
/////////////////////////////// and remember that in file block( /etc/block) you can block website both that you just type website that you want :
ex: http://www.xxx.com
and then save and restart squid so all client that you want block it can't surffing again . i hope my solution will get you success 

Regard
Sothy