Retain Client IP address after passing squid

[R Pradeepa <pradeepa@xxxxxxxxxxxxx>]

Dear All
We have implemented squid proxy with mac address validation and  ipuser 
acl. Now we have implemented Ironport web content filtering. So we would 
like squid proxy to send the ip address of the client along with the url 
request so that ip based policy can be implemented in the Ironport web 
Content filter also.

Thanks and Regards
Pradeepa