Blocking Yahoo

[Steffen Heil]

Hi

> I have setup rules on my iptables and when i block yahoo, 
> only those using gaim IM client using yahoo are blocked but 
> the native yahoo IM client is passing through my firewall. 
> Whats wrong with my chains below. Thank you in advance.

http tunneling?
Watch you squid logs.

Regards,
  Steffen
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