[squid-users] transparent Proxy

Hi List,
             I'm new to this list. i have a question about transparent
proxy. if i apply an ACL for downloading mp3 and mpeg. but it's not
working, user's are able to download mp3 or mpeg...
here is my config..squid.conf file.

port 8080
acl blocksites url_regex "/etc/squid/squid-block.acl"

"quid-block.acl"
.meebo.coms
.sex.com

acl blockfiles urlpath_regex “/etc/squid/multimedia.files.acl”

"multimedia.files.acl"
\.[Aa][Vv][Ii]$
\.[Mm][Pp][Gg]$
\.[Mm][Pp][Ee][Gg]$
\.[Mm][Pp]3$

please guide me if there is anything wrong

-- 
Thanks & Regards,
______________
Tarak Ranjan
IS-Team
Liqwid Krystal
E: tarak.ranjan@liqwidkrystal.com
IM: reachtarak@hotmail.com
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