Ok i have this now: auth_param basic program /usr/lib/squid/ncsa_auth /etc/squid/passwd auth_param basic children 1 auth_param basic realm Proxy Server auth_param basic credentialsttl 1 hour acl proxy_a proxy_auth a tcp_outgoing_address 66.147.239.138 proxy_a http_access allow proxy_a acl proxy_iulian proxy_auth iulian tcp_outgoing_address 66.147.238.119 proxy_iulian http_access allow proxy_iulian acl proxy_test proxy_auth test tcp_outgoing_address 66.147.238.199 proxy_test http_access allow proxy_test acl proxy_whatever proxy_auth whatever tcp_outgoing_address 66.147.238.242 proxy_whatever http_access allow proxy_whatever http_access deny all In the browser after authentification i get the following error: ERROR The requested URL could not be retrieved -------------------------------------------------------------------------------- While trying to retrieve the URL: http://www.google.com/ The following error was encountered: Access Denied. Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect. Your cache administrator is root. > tor 2006-03-30 klockan 17:07 +0300 skrev iulian@xxxxxxxxxxxxx: > >> Does squid supports multiple schemes of authentification? >> The problem i encouter is that i am able to auth onyl with group >> proxy_c (e.g the last acl no matter how do i modify the file) > > Ok, whar you are really looking for is groups of users, not multiple > authentication schemes. > > Place all passwords in the same file, and instead define groups with the > proxy_auth ACL by listing the only the usernames in the acl (just > usernames, nothing else, no passwords, nothing) which should be member > of eachgroup. Include files can be used to simplify the group > management. > > Regards > Henrik >