Centos 7 Install Squid to configure Proxy server

1 Install Squid.
[root@prox ~]# yum -y install squid

2 This is general forward proxy settings.
[root@prox ~]# vi /etc/squid/squid.conf
acl CONNECT method CONNECT
# line 26: add ( define new ACL )
acl lan src 10.0.0.0/24
http_access allow localhost
# line 54: add ( allow defined ACL above )
http_access allow lan
# add follows to the end
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 deny all
# do not display IP address
forwarded_for off

[root@prox ~]# systemctl start squid
[root@prox ~]# systemctl enable squid

source

centos 7