On Fri, Dec 11, 2009 at 4:17 PM, Robert Schenck <robschenck416@xxxxxxxxx> wrote: > There is almost nothing about Kerberos, and it has no mention of > password prompts... http://wiki.squid-cache.org/ConfigExamples/Authenticate/Kerberos http://wiki.squid-cache.org/Features/NegotiateAuthentication deal explicitly with kerberos http://wiki.squid-cache.org/Features/Authentication offers an overview of authentication tout-court http://wiki.squid-cache.org/ConfigExamples/Authenticate/Bypass gives insights on how to have different flavours of authentication, including how to show unauthorized users an authentication prompt. Authentication popups are unfortunately not under the control of Squid: the proxy can ASK for authentication. How the browser presents this to the user (or, in some cases, how does it NOT present it to the user) is up to the browser itself. -- /kinkie