Hi Ralf, You should also define the auth_param digest realm "An realm for my Squid3 Caching proxy" to enable digest authentication. In squid3 there is not default value for the realm Regards, Christos PS. Sorry for the duplicated mail.... > And another problem :) > > auth_param digest program /usr/lib/squid3/digest_pw_auth > /etc/squid/wlan-proxyauth.digest > auth_param digest children 10 > acl digestauthentifizierung proxy_auth REQUIRED > http_access allow digestauthentifizierung > > used to work with squid-2.6.x -- but now all I get is: > > # /usr/sbin/squid3 -NsYC -f /etc/squid3/squid.conf.WLAN > 2007/12/18 11:26:49| Can't use proxy auth because no authentication schemes are fully configured. > FATAL: ERROR: Invalid ACL: acl digestauthentifizierung proxy_auth REQUIRED > > Squid Cache (Version 3.0.STABLE1): Terminated abnormally. > CPU Usage: 0.008 seconds = 0.004 user + 0.004 sys > Maximum Resident Size: 0 KB > Page faults with physical i/o: 0 > >.......................