Squid Proxy Configuration

 Squid Proxy Server
--------------------

#yum install squid
#vi /etc/squid/squid.conf

http_port 8080
cache_mem 100 MB
cache_dir /../../
acl NetA src 172.10.0.1/24
acl NetB src 172.19.1.1/24
http_access allow NetA
http_access allow NetB
dns_nameservers 8.8.8.8 8.8.4.4
always_direct allow NetA NetB
never_direct allow NetA NetB

cache_peer 2.2.2.2 parent 4040 0 default no-query   /*if use 2 step proxy*/

/*NCSA_users config*/

#htpasswd -c /etc/squid/passwd username
#chmod o+r /etc/squid/passwd
#rpm -ql squid | grep ncsa_auth
#vi /etc/squid/squid.config

auth_param basic program /usr/lib64/squid/ncsa_auth /etc/squid/passwd
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
auth_param basic casesensitive off

acl ncsa_users proxy_auth REQUIRED
http_access allow ncsa_users

/*banning domains*/

acl ban_domains dstdomain .facebook.com .youtube.com
http_access deny CONNECT ban_domains  /*CONNECT for https*/