[root@centos ~]# cat /etc/squid/squid.conf
# ACCESS CONTROLS
# -----------------------------------------------------------------------------
# TAG: acl
acl manager proto cache_object
acl localhost src 127.0.0.1/32 ::1
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1
# acl allow local network
acl lan src 10.4.4.0/24
# acl safe ports
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
# TAG: http_access
# Allowing or Denying access based on defined access lists
# Recommended minimum Access Permission configuration:
#
# Only allow cachemgr access from localhost
http_access allow manager localhost
http_access deny manager
# Deny requests to certain unsafe ports
http_access deny !Safe_ports
# Deny CONNECT to other than secure SSL ports
#http_access deny CONNECT !SSL_ports
# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost
http_access deny to_localhost
#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#
http_access allow lan
#http_access allow wlan
#http_access allow vpn
# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
#http_access allow localnet
http_access allow localhost
# And finally deny all other access to this proxy
#http_access deny all
# NETWORK OPTIONS
# -----------------------------------------------------------------------------
# TAG: http_port
# Squid normally listens to port 3128
http_port 3128 transparent
# MEMORY CACHE OPTIONS
# -----------------------------------------------------------------------------
# TAG: cache_mem (bytes)
# NOTE: THIS PARAMETER DOES NOT SPECIFY THE MAXIMUM PROCESS SIZE.
# IT ONLY PLACES A LIMIT ON HOW MUCH ADDITIONAL MEMORY SQUID WILL
# USE AS A MEMORY CACHE OF OBJECTS. SQUID USES MEMORY FOR OTHER
# THINGS AS WELL. SEE THE SQUID FAQ SECTION 8 FOR DETAILS.
#Default:
cache_mem 512 MB
# TAG: maximum_object_size_in_memory (bytes)
# Objects greater than this size will not be attempted to kept in
# the memory cache. This should be set high enough to keep objects
# accessed frequently in memory to improve performance whilst low
# enough to keep larger objects from hoarding cache_mem.
#Default:
# maximum_object_size_in_memory 512 KB
maximum_object_size_in_memory 2048 KB
# DISK CACHE OPTIONS
# -----------------------------------------------------------------------------
# TAG: cache_dir
# Uncomment and adjust the following to add a disk cache directory.
#cache_dir ufs /var/spool/squid3 2048 16 256
cache_dir ufs /var/spool/squid 5120 16 256
# TAG: maximum_object_size_in_memory (bytes)
# Objects greater than this size will not be attempted to kept in
# the memory cache. This should be set high enough to keep objects
# accessed frequently in memory to improve performance whilst low
# enough to keep larger objects from hoarding cache_mem.
maximum_object_size 512 MB
# LOGFILE OPTIONS
# -----------------------------------------------------------------------------
# TAG: access_log
#Default:
# std log with ervey request
access_log /var/log/squid/access.log squid
# TAG: cache_log
cache_log /var/log/squid/cache.log
#cache_log /dev/null
cache_store_log /var/log/squid/store.log
logfile_rotate 5
log_icp_queries off
# OPTIONS FOR TROUBLESHOOTING
# -----------------------------------------------------------------------------
# TAG: coredump_dir
# By default Squid leaves core files in the directory from where
# it was started. If you set 'coredump_dir' to a directory
# that exists, Squid will chdir() to that directory at startup
# and coredump files will be left there.
#
#Default:
# coredump_dir none
#
# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid
# OPTIONS FOR TUNING THE CACHE
# -----------------------------------------------------------------------------
# TAG: cache
# Add any of your own refresh_pattern entries above these.
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern (Release|Packages(.gz)*)$ 0 20% 2880
# example lin deb packages
#refresh_pattern (\.deb|\.udeb)$ 129600 100% 129600
refresh_pattern . 0 20% 4320
# HTTP OPTIONS
# -----------------------------------------------------------------------------
request_header_access Referer deny all
request_header_access X-Forwarded-For deny all
request_header_access Via deny all
request_header_access Cache-control allow all
# ADMINISTRATIVE PARAMETERS
# -----------------------------------------------------------------------------
# TAG: visible_hostname
#Default:
visible_hostname labolatory
# ICAP OPTIONS
# -----------------------------------------------------------------------------
#icap_enable on
#icap_preview_enable on
#icap_preview_size 128
#icap_send_client_ip on
#icap_client_username_header X-Authenticated-User
#icap_service service_req reqmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav
#icap_service service_resp respmod_precache bypass=0 icap://127.0.0.1:1344/squidclamav
adaptation_access service_req deny CONNECT
adaptation_access service_req allow all
adaptation_access service_resp deny CONNECT
adaptation_access service_resp allow all
# MISCELLANEOUS
# -----------------------------------------------------------------------------
#icap_enable on
#icap_preview_enable on
#icap_preview_size 128
#icap_send_client_ip on
#icap_client_username_header X-Authenticated-User
#icap_service service_req reqmod_precache bypass=1 icap://127.0.0.1:1344/squidclamav
#icap_service service_resp respmod_precache bypass=0 icap://127.0.0.1:1344/squidclamav
#adaptation_access service_req deny CONNECT
#adaptation_access service_req allow all
#adaptation_access service_resp deny CONNECT
#adaptation_access service_resp allow all
# MISCELLANEOUS
# -----------------------------------------------------------------------------
# TAG: forwarded_for on|off|transparent|truncate|delete
# If set to "on", Squid will append your client's IP address
# in the HTTP requests it forwards.
#forwarded_for transparent
forwarded_for on
#url_rewrite_program /usr/bin/adzapper.wrapper
# TAG: redirect_program
# Redirect squidguard configuration directory
#url_rewrite_program /usr/bin/squidGuard -c /etc/squid/squidGuard.conf
#url_rewrite_children 5
#url_rewrite_concurrency 0
#url_rewrite_program
#url_rewrite_program /usr/bin/adzapper.wrapper "/usr/bin/squidGuard -c /etc/squid/squidGuard.conf" "/usr/bin/python /usr/share/videocac
#he/videocache.py"
#url_rewrite_children 10
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