Try accessing the internet part with Firefox and an add-on that logs the http communication and check there if the cookies have the same domain as your internet address.
From: Tapas Mishra <mightydreams@xxxxxxxxx> To: users@xxxxxxxxxxxxxxxx Sent: Mon, July 5, 2010 2:10:01 PM Subject: Re: using ProxyPreserveReverseCookie
>From intranet they are working absolutely perfect.But from internet it is not working. How do I check the cookies you are saying I do not have any idea to this problem of cookies. see this link http://www.atutor.ca/view/7/20279/1.html this is what I am trying to do.