使用squid做代理服务器上网

注意：这里acl是为了定义规则，下面http_access/icp_access/cache等条目中的allow/deny后面的条目为这些规则的使用。acl格式：acl 名称 类型 值。
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
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 all
http_access allow manager localhost
http_access deny manager
# Deny requests to unknown ports
http_access deny !Safe_ports
# Deny CONNECT to other than SSL ports
http_access deny CONNECT !SSL_ports

http_access allow localhost
http_access deny all

#Allow ICP queries from everyone
icp_access allow all

# Squid normally listens to port 3128
http_port 0.0.0.0:3128

hierarchy_stoplist cgi-bin ?

cache_mem 64 MB
cache_dir ufs /var/spool/squid 100 16 256
access_log /var/log/squid/access.log squid
cache_log /var/log/squid/cache.log
cache_store_log /var/log/squid/store.log
acl QUERY urlpath_regex cgi-bin \?
cache deny QUERY

# service squid start