Hi Zbigniew, On Thursday 13 July 2006 13:09, Zbigniew Struk wrote: > > Hi, > I have squid 2.5STABLE12 and linux SUSE 10.1. When I use authentication > helper NCSA my proxy server stops and I receive information in cache.log (my > firewall is disabled, in squid.conf cache_effective_user squid, the owner of > file ncsa_auth is squid): .. > 2006/07/10 07:49:18| helperOpenServers: Starting 5 'ncsa_auth' processes > > 2006/07/10 07:49:18| ipcCreate: /usr/sbin/ncsa_auth: (1) Operation not > permitted Please check if AppArmor is running. It is enabled by default and has a profile for Squid which denies e.g. using a redirector. Please see my posting from May 18th on this in the archive (subject: Strange Problems with redirector). Regards, Peter -- Peter Albrecht, Novell Training Services, peter.albrecht@xxxxxxxxxx