http_port 8080
icp_port 0
cache_peer x.x.x.x parent 80 7 no-query default
hierarchy_stoplist cgi-bin ?
cache_mem 100 MB
cache_dir ufs /var/cache/squid 500 16 256
cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log none
ftp_user anonymous@blah.com
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern .               0       20%     4320
#=========Authentication Bit==========================
auth_param ntlm program /usr/local/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp
auth_param ntlm children 15
auth_param ntlm max_challenge_reuses 0
auth_param ntlm max_challenge_lifetime 2 minutes
auth_param ntlm use_ntlm_negotiate off
auth_param basic program /usr/local/bin/ntlm_auth --helper-protocol=squid-2.5-basic
auth_param basic children 15
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
#==========Use AD Domain groups for ACLsv===============
external_acl_type ad_group ttl=0 concurrency=5 %LOGIN /usr/libexec/wbinfo_group.pl
#==========ACCESS CONTROLS===============================
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_ftp port 21      # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl CONNECT method CONNECT

acl allowedUsers external ad_group InternetAllowed
acl Authenticated proxy_auth REQUIRED
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access allow allowedUsers Authenticated
http_access deny all

http_reply_access allow all
icp_access allow all
mail_from squid@proxy.company.com
mail_program mail
cache_mgr hostmaster
cache_effective_user squid
cache_effective_group squid
append_domain .company.com
never_direct allow all
coredump_dir /var/cache/squid
#note 33,2 lets you see which acl allowed or denied
debug_options ALL,1 33,2 28,9