Try acl MYDOMAIN urlregex trk.citybeat.de/pixel.gif (match to your specific need) acl QUERY urlpath_regex cgi-bin \? cache deny QUERY !MYDOMAIN See if it helps... Regards, Isnard Em Ter, 2007-07-10 às 14:07 +0200, Hermann-Marcus Behrens escreveu: > > find the acl "QUERY" that matches cgi-bin and ?. just before this acl, > > add the acl to allow caching of the file. > > something like this: > Thank you for your answer. I chanded the squid.conf like you said, but > it did not help. Every access to "pixel.gif" is reported as "TCP_MISS". > > I understand, why squid tries to fetch this file everytime, because the > paramters changes everytime. So it would be nice, if I could tell squid > to check only the part up to the question mark and to forget everything, > which comes after the question mark. Is this possible? > > For better understanding, this is an original access-line found in the logs: > > GET http://trk.citybeat.de/pixel.gif?path=/adserved/4993&rand=158735979 > > Greetings, > > Hermi > > btw: I forgot to mention, that I use squid as a http accelerator. > >