squid.conf

http_port 3128

access_log syslog:local0.info squid

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 443         # https

acl CONNECT method CONNECT

http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager

acl whitelist dstdomain "/etc/squid/sites.whitelist.txt"
http_access allow whitelist

http_access deny all

coredump_dir /squid/var/cache/squid
pid_filename /squid/squid.pid

refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern .               0       20%     4320