Change the order of the http_access statements: http_access deny concurrent_browsing http_access deny !password all Then restart squid and test again. Mit freundlichem Gruß/Yours sincerely Werner Rost GMT-FIR - Netzwerk ZF Boge Elastmetall GmbH Friesdorfer Str. 175 53175 Bonn Deutschland/Germany Telefon/Phone +49 228 3825 - 420 Telefax/Fax +49 228 3825 - 398 werner.rost@xxxxxx Service Desk Meldungserfassung Intranet: http://ahdzf01.emea.zf-world.com/ahd-web/create_inc.aspx eMail an: hotline@xxxxxx Telefon: 3600 -----Ursprüngliche Nachricht----- Von: Marco Berizzi [mailto:pupilla@xxxxxxxxxxx] Gesendet: Mittwoch, 4. Oktober 2006 09:35 An: squid-users@xxxxxxxxxxxxxxx Betreff: Re: max_user_ip not working in squid-2.6S4 Chris Robertson wrote: >Marco Berizzi wrote: >>I have implemented max_user_ip acl with squid 2.6stable4 >>but users are able to browse the internet with a single account from >>multiple clients (those in the 172.16.0.0/23 class). This is my >>squid.conf: >> >>authenticate_ip_ttl 3600 seconds >> >>acl all src 0.0.0.0/0.0.0.0 >>acl mynet src 172.16.0.0/23 >>acl generali src 10.180.0.0/16 >>acl concurrent_browsing max_user_ip -s 1 >>acl password proxy_auth_regex "/etc/squid/allowusers" >>acl password-generali proxy_auth_regex "/etc/squid/allowgenerali" >> >>http_access deny !password all >>http_access deny concurrent_browsing >>http_access allow password mynet >>http_access allow password-generali generali >>http_access deny all >> >>Hints? >> >> >Have you adjusted the authenticate_ip_ttl? It seems to default to 0 >seconds (which I would take to mean that it doesn't keep a user-IP >association). Yes, I have adjusted to 3600 seconds (see above): authenticate_ip_ttl 3600 seconds