> I tried it already but its not working .. 

I have tested that and then sent it to You.

>I meant the users still can
> connect and using yahoomessenger .. I need advice .. thanks

Did You set-up the yahoo messenger to use the proxy as
messenger preferences (ctr+p) and set up the connection to use 
preferences
    connection
        use proxies
    Enable http proxies to the ip-address of the squid-server and running port 
(default=3128)    

Regards,
Muthukumar.

Reply via email to