Thanks all for your help, I know a lot more now about this issue. -----Message d'origine----- De : Amos Jeffries [mailto:squid3@xxxxxxxxxxxxx] Envoyà : jeudi 3 mars 2011 01:44 à : squid-users@xxxxxxxxxxxxxxx Objet : RE: Auth popup not shown on website On Wed, 2 Mar 2011 17:34:52 +0100, Xavier Magnaudeix wrote: > This is weird. None of my squids/browsers want to show me the popup. > As others have suspected it is a website attempting to use NTLM (a protocol for LAN networks) over the wide Internet. LOL! Response Headers Date Thu, 03 Mar 2011 00:29:49 GMT Server Microsoft-HTTPAPI/1.0 Content-Length 0 WWW-Authenticate NTLM Keep-Alive timeout=15, max=99 Connection Keep-Alive Content-Type text/plain; charset=UTF-8 Squid 2.6, 2.7, 3.1+ along with persistent connections and pinning all the way cross the Internet (end-to-end) is required for this to even have a shot at working. Then you will also have to have an account and connection to the LAN domain controller the website uses to validate your credentials. Amos