Defining an Access List
acl PrivateNet src 192.168.0.0/24 192.168.1.0/24
acl specific src 10.120.1.225-10.120.1.254/24
acl restnetwork src 10.120.1.1-10.120.1.224/24
acl deniedsites dstdomain "/usr/local/squid/etc/denied-sites/restriction.acl"
http_access allow specific
http_access deny restnetwork deniedsites

acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
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

http_access allow manager localhost
http_access deny manager

http_access deny CONNECT !SSL_ports

http_access allow localhost
http_access deny all