On Dec 13, 2007 4:17 PM, Agnello George <[EMAIL PROTECTED]> wrote:

> when i put the url as chat.yahoo.com in my browser i am denied access
> ( so that is working fine )
>
> But when i access the yahoo chat .. i am able to log in
>
> Where am i going wrong !! :(

Agnello,

Some questions:
Did you use iptables to redirect port 80 to port 3128? That is, are
you using a transparent proxy or are you manually entering the ip and
port of squid in your browser? If you are not using a transparent
proxy and setting up your browser manually, you need to do the same
with yahoo messenger as well. Messenger > Preferences > Connection >
Use Proxy.

If you are using a transparent proxy, you also need to redirect the
yahoo messenger port(s) to port 3128. After that, use squid acls to
block these ports.

To know exactly which port messenger is using and to understand the
mechanism of how it accesses its servers, do a tail -f of the squid
access logs and then login to messenger. This will help you write
better acls. Effectively, it will tell you if the messenger requests
are passing through squid or not.

Regards,
NMK.
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