hello dear i installed squid few time by zip package or by yum command but url_regex don't work for me to block file or content i use this acl for block all site that start with http://www for test but this acl do not work acl net url_regex -i ^http://www http_access deny net can you help me ? squid 3.1 centos 6.2 tank you # # Recommended minimum configuration: # cache_mem 500 MB memory_pools_limit 200 MB max_filedesc 16384 #cache deny all acl manager proto cache_object acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 visible_hostname h.vpcp.org # Example rule allowing access from your local networks. # Adapt to list your (internal) IP networks from where browsing # should be allowed acl localnet src 10.0.0.0/8 # RFC1918 possible internal network acl localnet src 172.16.0.0/12 # RFC1918 possible internal network acl localnet src 192.168.0.0/16 # RFC1918 possible internal network acl localnet src fc00::/7 # RFC 4193 local private network range acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines 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 CONNECT method CONNECT # # Recommended minimum Access Permission configuration: # # Only allow cachemgr access from localhost http_access allow manager localhost http_access deny manager # Deny requests to certain unsafe ports #http_access deny !Safe_ports # Deny CONNECT to other than secure SSL ports #http_access deny CONNECT !SSL_ports # We strongly recommend the following be uncommented to protect innocent # web applications running on the proxy server who think the only # one who can access services on "localhost" is a local user #http_access deny to_localhost # # INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS # # Example rule allowing access from your local networks. # Adapt localnet in the ACL section to list your (internal) IP networks # from where browsing should be allowed http_access allow localnet http_access allow localhost # And finally deny all other access to this proxy #http_access allow all auth_param basic program /usr/local/squid/libexec/squid_radius_auth -f /etc/radius_config auth_param basic children 10 auth_param basic realm Web-Proxy auth_param basic credentialsttl 10 minute auth_param basic casesensitive off authenticate_ip_ttl 360 seconds acl maxuser max_user_ip -s 1 http_access deny maxuser acl radius-auth proxy_auth REQUIRED acl special_client src 95.38.50.10 acl facebook dstdomain .faceddddbook.com acl orkut dstdomain .orkudddddt.com http_access allow facebook special_client http_access deny facebook http_access deny orkut acl net url_regex -i ^http://www http_access deny net http_access allow radius-auth http_access allow localhost http_access allow all # cache_peer me.nashenas.net parent 808 0 no-query no-digest proxy-only connect-fail-limit=999999 login=1:1 max-conn=1000000 # never_direct allow all http_access deny all # Squid normally listens to port 3128 http_port 808 # Uncomment and adjust the following to add a disk cache directory. #cache_dir ufs /usr/local/squid/var/cache 100 16 256 # Leave coredumps in the first cache dir coredump_dir /usr/local/squid/var/cache # Add any of your own refresh_pattern entries above these. #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