Onnowpurbo at 20:42, 11 August 2012

2012-08-11T20:42:43Z

← Older revision		Revision as of 20:42, 11 August 2012
Line 43:		Line 43:
	iptables -A INPUT -j LOG		iptables -A INPUT -j LOG
	iptables -A INPUT -j DROP		iptables -A INPUT -j DROP


			==Referensi==

			* http://wa2n.staff.uns.ac.id/2009/03/04/transparant-proxy-blok-url-blok-keyword-with-squid-on-ubuntu/

			==Pranala Menarik==

			* [[Instalasi Squid]]
			* [[Integrasi squidGuard ke Squid]]
			* [[Memblok Situs Tidak Baik Menggunakan ACL Squid]]
			* [[Delay Pool Squid untuk Managed Download Manager]]
			* [[Script NAT Transparant Proxy & Squid]]
			* [[Squid: Log File]]
			* [[Squid: Block https]]
			* [[Squid: Block Berdasarkan Waktu]]

Onnowpurbo: New page: #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1" # Interface connected to Internet INTERNET="eth0" # Interface connected to LAN LAN_IN="eth1" # Squid port SQUID_PORT="3128" ...

2011-06-16T01:25:18Z

New page: #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1" # Interface connected to Internet INTERNET="eth0" # Interface connected to LAN LAN_IN="eth1" # Squid port SQUID_PORT="3128" ...

New page

#!/bin/sh
# squid server IP
SQUID_SERVER="192.168.1.1"
# Interface connected to Internet
INTERNET="eth0"
# Interface connected to LAN
LAN_IN="eth1"
# Squid port
SQUID_PORT="3128"
# DO NOT MODIFY BELOW
# Clean old firewall
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
# Load IPTABLES modules for NAT and IP conntrack support
modprobe ip_conntrack
modprobe ip_conntrack_ftp
# For win xp ftp client
#modprobe ip_nat_ftp
echo 1 > /proc/sys/net/ipv4/ip_forward
# Setting default filter policy
iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
# Unlimited access to loop back
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
# Allow UDP, DNS and Passive FTP
iptables -A INPUT -i $INTERNET -m state --state ESTABLISHED,RELATED -j ACCEPT
# set this system as a router for Rest of LAN
iptables --table nat --append POSTROUTING --out-interface $INTERNET -j MASQUERADE
iptables --append FORWARD --in-interface $LAN_IN -j ACCEPT
# unlimited access to LAN
iptables -A INPUT -i $LAN_IN -j ACCEPT
iptables -A OUTPUT -o $LAN_IN -j ACCEPT
# DNAT port 80 request comming from LAN systems to squid 3128 ($SQUID_PORT) aka transparent proxy
iptables -t nat -A PREROUTING -i $LAN_IN -p tcp --dport 80 -j DNAT --to $SQUID_SERVER:$SQUID_PORT
# if it is same system
iptables -t nat -A PREROUTING -i $INTERNET -p tcp --dport 80 -j REDIRECT --to-port $SQUID_PORT
# DROP everything and Log it
iptables -A INPUT -j LOG
iptables -A INPUT -j DROP

Script NAT Transparant Proxy & Squid - Revision history

Onnowpurbo at 20:42, 11 August 2012

Onnowpurbo: New page: #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1" # Interface connected to Internet INTERNET="eth0" # Interface connected to LAN LAN_IN="eth1" # Squid port SQUID_PORT="3128" ...