Onnowpurbo: /* Pranala Menarik */

2012-03-11T07:58:48Z

Pranala Menarik

Onnowpurbo: New page: Perintah yang penting iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 123 -j DNAT --to 192.168.1.1:123 ==Contoh Script== #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1"...

2011-06-16T01:23:03Z

New page: Perintah yang penting iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 123 -j DNAT --to 192.168.1.1:123 ==Contoh Script== #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1"...

New page

Perintah yang penting

iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 123 -j DNAT --to 192.168.1.1:123

==Contoh Script==

#!/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

==Pranala Menarik==

* [[NTP]]
* [[Linux Howto]]
* [[Instalasi NTP]]
* [[NTP: Port 123]]
* [[NTP: File ntp.conf]]
* [[NTP: Tranparant Proxy untuk NTP]]

← Older revision		Revision as of 07:58, 11 March 2012
Line 61:		Line 61:
	* [[NTP: File ntp.conf]]		* [[NTP: File ntp.conf]]
	* [[NTP: Tranparant Proxy untuk NTP]]		* [[NTP: Tranparant Proxy untuk NTP]]
		+	* [[NTP: DNS Spoofing NTP]]
		+	* [[NTP: Set waktu mengunakan ntpdate]]
		+	* [[NTP: Setup NTP Server Lokal]]
		+	* [[Waktu date menggunakan command line]]

NTP: Tranparant Proxy untuk NTP - Revision history

Onnowpurbo: /* Pranala Menarik */

Onnowpurbo: New page: Perintah yang penting iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 123 -j DNAT --to 192.168.1.1:123 ==Contoh Script== #!/bin/sh # squid server IP SQUID_SERVER="192.168.1.1"...