[squid-users] Whatismyip response behind squid

Hi,

I have several squid boxes running. There is one which when i set it
on the proxy configuration on my client PCs browser then open
www.whatismyip.com , It not only bring its real NAT IP , but also
below information too. What makes the site gets these information and
how can prevent or change this banner?

Regards

What Is My IP Address - WhatIsMyIP.com
 Your IP Address Is: x.y.z.t
Possible Proxy Detected: 1.0 myproxyhostname.mydomain.com :8080
(squid/2.6.STABLE6)
Received on Thu Aug 18 2011 - 06:35:32 MDT