CentOS 5
Proxy Server
  Build proxy server and make web browzing fast. Install squid for it.

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


[root@lan ~]#
vi /etc/squid/squid.conf


# line 919: change

http_port
8080


acl CONNECT method CONNECT
# line 590: add ( allow from only LAN )

acl lan src 192.168.0.0/255.255.255.0


http_access allow localhost
# line 637: add ( allow from only LAN )

http_access allow lan

http_access deny all

# line 3003: add ( define hostname )

visible_hostname lan.server-linux.info


# forwarded_for on
# line 4275: add ( hide IP )

forwarded_for off


# line 2789: add these lines

header_access Referer deny all
header_access X-Forwarded-For deny all
header_access Via deny all
header_access Cache-Control deny all


[root@lan ~]#
/etc/rc.d/init.d/squid start

init_cache_dir /var/spool/squid... Starting squid:
[  OK  ]

[root@lan ~]#
chkconfig squid on
[2] Start Web browser on your client PC. Select [Tools] - [Internet Options] and move to [Connections] tab like below.
 
[3] Check 'use a proxy' and input server's hostname and port number set in the section [1]. Then, you can access to internet through proxy server.