I have setup as below-
- Squid Kerberos authentication with windows AD 2012r2. - works fine.
- Now need to restrict access based on AD Group membership.
Below configuration done but no luck. when try to access with user who is not part of the group mention, still he is able to browse Internet.
================================
#
# Recommended minimum configuration:
#
#auth_param negotiate program /usr/lib64/squid/squid_kerb_auth -d -s GSS_C_NO_NAME
auth_param negotiate program /usr/lib64/squid/squid_kerb_auth -s HTTP/proxy02.abcd.co.uk@xxxxxxxxxx -d
auth_param negotiate children 10
auth_param negotiate keep_alive on
auth_param basic credentialsttl 2 hours
acl ad_auth proxy_auth REQUIRED
external_acl_type Domain_Admin %LOGIN /usr/lib64/squid/squid_ldap_group -b "dc=abcd,dc=co,dc=uk" -D "cn=Nilesh Gavali,ou=Admin User,ou=TCS Users,ou=Staff,dc=abcd,dc=co,dc=uk" -w "123456" -f "(&(objectclass=person)(sAMAccountName=%v)(memberof=cn=lgInternetAccess,ou=Internet Access,ou=Groups,dc=abcd,dc=co,dc=uk))" -h xx.xx.2.101
acl AllowDomainAdmin external Domain_Admin lgInternetAccess
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
# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.0.0.0/8 # RFC1918 possible internal network
acl localnet src 172.16.0.0/12 # RFC1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
acl localnet src fc00::/7 # RFC 4193 local private network range
acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines
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
#
# 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
#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#
#
# 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
http_access deny !ad_auth
http_access allow ad_auth
http_access deny !AllowDomainAdmin
http_access allow AllowDomainAdmin
# And finally deny all other access to this proxy
http_access deny all
# Squid normally listens to port 3128
http_port 8080
never_direct allow all
cache_peer xx.xx.2.108 parent 8080 0 default
dns_nameservers xx.xx.2.108
# We recommend you to use at least the following line.
#hierarchy_stoplist cgi-bin ?
# Uncomment and adjust the following to add a disk cache directory.
cache_dir ufs /var/spool/squid 2048 16 256
# Leave coredumps in the first cache dir
coredump_dir /var/spool/squid
# Log forwarding to SysLog
access_log syslog:local1.info
# 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 . 0 20% 4320
=================================================
Nilesh Suresh Gavali
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