/etc/squid3/squid.config

acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32

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

http_access allow manager localhost
http_access deny manager

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

icp_access deny all
htcp_access deny all

hierarchy_stoplist cgi-bin ?

access_log /var/log/squid3/access.log squid

refresh_pattern ^ftp:       1440    20% 10080
refresh_pattern ^gopher:    1440    0%  1440
refresh_pattern (cgi-bin|\?)    0   0%  0
refresh_pattern .       0   20% 4320

###################  My Setting #########################

## Listening port number ##
http_port 3128 transparent

## Visible hostname ##
visible_hostname hureeict.edu.mn

## Time Settings ##
acl biz_hours time MTWHF 9:00-24:00

## Unlimited Access Users ##
#acl BIGBOSS src 192.168.15.19
#http_access allow BIGBOSS

## BLOCK MAC ##
#acl mac_block arp 09:00:2b:23:45:67

## BLOCK HTTPS ##
acl https_block dstdomain .google.com .google.mn
http_access deny CONNECT https_block biz_hours
#http_reply_access deny https_block biz_hours

## BLOCK Websites/Download/Ports ##
acl website_block dstdom_regex -i facebook.com
acl download_block urlpath_regex -i jason_torrent
acl ports_block port 6969 6881-6899
http_access deny website_block biz_hours
http_access deny download_block biz_hours
http_access deny ports_block biz_hours

## Block Flash Videos ##
#acl flash rep_mime_type video/x-flv
#http_reply_access deny flash

## OPEN Subnets ##
acl lan_15 src 192.168.15.0/24 192.168.16.0/24
acl localnet src 127.0.0.1/255.255.255.255
http_access allow lan_15
http_access allow localnet
# http_access allow lan_15 biz_hours
# http_access deny all
# http_access deny !Safe_ports

## Delay Pools - 100kb/s ##
#delay_pools 1
#delay_class 1 1
#delay_parameters 1 84000/84000
#delay_access 1 allow lan_15 biz_hours

#delay_access 1 allow lan_15
#delay_access 1 deny lan_15 !biz_hours
#delay_access 1 deny lan_15 all

## Cache 20GB ##
cache_dir ufs /var/spool/squid 20000 16 256

## Limit maximum download file size ##
reply_body_max_size 999 MB

################# END #####################