Non-https site for opening up proxy

[Robert Moskowitz]

My firewall proxy requires an initial http connection to set up a 
session.  After that, https works.

In past Firefox, I could put in a http url, even though the site 
requires https.  Firefox would leave it alone and the proxy intercepts, 
presents the login dialog and everything is fine.

Now FF insists on changing the url to https and I can't open the 
firewall proxy.  I have to fiddle around until I can send the plan http url

Does anyone know of a public site that is NOT https so I can use that 
URL as my initial access?

URGH!!!