http_port 3128

acl all src 0.0.0.0/0.0.0.0
acl SSL_ports port 443
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl CONNECT method CONNECT

http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow all
http_access deny all

coredump_dir /var/spool/squid

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

cache_dir ufs /var/spool/squid 512 16 256
cache_mem 256 MB

maximum_object_size 15 MB
positive_dns_ttl 8 hours
negative_ttl 1 minutes

via off
forwarded_for off
follow_x_forwarded_for deny all