proxy transparent

install squid yg incl. di RH 7.2
edit file /etc/squid/squid.conf
http_port 8080
cache_mem 80 MB
#Recommended minimum configuration:
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl localnet src 192.168.2.0/255.255.255.0
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp

acl Safe_ports port 443 563 # https, snews
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
# Only allow cachemgr access from localhost
http_access allow manager localhost
http_access deny manager
# And finally deny all other access to this proxy
http_access allow localhost
http_access allow localnet
http_access deny all
cache_mgr info@cakrawalamultimedia.com
visible_hostname www.cakrawalamultimedia.com
#setting utk transparent proxy
httpd_accel_host virtual
httpd_accel_port 80
httpd_accel_with_proxy on
httpd_accel_uses_host_header on

##lalu setting di file /etc/rc.d/rc.local
#iptables
/sbin/modprobe ipt_LOG
/sbin/modprobe ipt_REJECT
/sbin/modprobe ipt_MASQUERADE
#menjalankan ip forward
echo “1″ > /proc/sys/net/ipv4/ip_forward
echo “1″ > /proc/sys/net/ipv4/ip_dynaddr

#hapus filter lama
/sbin/iptables -P INPUT ACCEPT
/sbin/iptables -P FORWARD ACCEPT
/sbin/iptables -P OUTPUT ACCEPT
#hapus aturan lama
/sbin/iptables -t nat -P PREROUTING ACCEPT
/sbin/iptables -t nat -P POSTROUTING ACCEPT
/sbin/iptables -t nat -P OUTPUT ACCEPT

#batalkan semua filter dan nat
/sbin/iptables -F
/sbin/iptables -t nat -F

#jalankan forward dan masguerading
/sbin/iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE

#jalankan proxy transparan
iptables -t nat -A PREROUTING -i eth0 -p tcp –dport 80 -j REDIRECT –to-port 8080
#JALANKAN MASQUERADE
#jika tidak pake proxy maka ini di uncomment
#/sbin/iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -d 0/0 -j MASQUERADE
#touch /var/lock/subsys/local
####
## make a squid swap file
squid -z

start the squid with this comand
squid start
#### coba jalankan ####
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