Hello Fred, thank you for your help! Ok, I tried to insert a the acl in auth_param block as you described: acl pdfdoc dstdomain webgate.ec.europa.eu http_access allow password !pdfdoc http_access allow pdfdoc but no success was shown using the pdf-doc. Then: Testing access to webgate.ec.europa.eu in browser squid asked me for a password as usual. Here my squid.conf in actual state (the file w7akt has some adresses for novell and for w7-activation): ########################## Start acl alle src 0.0.0.0/0.0.0.0 acl w7aktivierung dstdomain "/etc/squid/w7akt" http_access allow w7aktivierung alle acl CONNECT method CONNECT acl wuCONNECT dstdomain www.update.microsoft.com acl wuCONNECT dstdomain sls.microsoft.com acl wuCONNECT dstdomain novell.com acl wuCONNECT dstdomain docs.live.net acl wuCONNECT dstdomain d.docs.live.net acl port_443 port 443 http_access allow CONNECT port_443 http_access allow CONNECT wuCONNECT auth_param basic program /usr/sbin/squid_ldap_auth -b T=MYDOMAIN -f "uid=%s" -s sub -h 192.168.1.1 acl password auth_param basic children 10 auth_param basic realm Internetzugang im VERWALTUNGSNETZ FAL-BK: Bitte mit den Daten aus diesem Netzwerk anmelden! acl password proxy_auth REQUIRED auth_param basic credentialsttl 2 hours auth_param basic casesensitive off http_access allow password acl all src all acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl localnet src 192.168.1.0/23 # RFC1918 possible internal network acl SSL_ports port 443 acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl QUERY urlpath_regex cgi-bin \? no_cache deny query acl FILE_MP3 urlpath_regex -i \.mp3$ http_access deny FILE_MP3 http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localnet http_access allow localhost http_access deny all icp_access allow localnet icp_access deny all http_port 192.168.1.7:8080 hierarchy_stoplist cgi-bin ? cache_mem 32 MB cache_dir ufs /var/cache/squid 100 16 256 logformat combined %>a %ul %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh access_log /var/log/squid/access.log combined log_fqdn on ftp_user Squid@xxxxxxxxxxxxxxxx refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern . 0 20% 4320 acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9] upgrade_http0.9 deny shoutcast acl apache rep_header Server ^Apache broken_vary_encoding allow apache cache_mgr admini@xxxxxxxxxxxxxxxx visible_hostname proxy.my-domainname.de coredump_dir /var/cache/squid ###################### End -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-with-LDAP-authentication-bypass-selected-URLs-tp4676689p4676838.html Sent from the Squid - Users mailing list archive at Nabble.com. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users