Software: Apache/2.2.3 (CentOS). PHP/5.1.6 

uname -a: Linux mx-ll-110-164-51-230.static.3bb.co.th 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44
EDT 2010 i686 

uid=48(apache) gid=48(apache) groups=48(apache) 

Safe-mode: OFF (not secure)

/etc/ppp/   drwxr-xr-x
Free 52.22 GB of 127.8 GB (40.86%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    

Viewing file:     firewall-masq (1.02 KB)      -rw-r--r--

#!/bin/sh
#
# firewall-masq		This script sets up firewall rules for a machine
#                       acting as a masquerading gateway
#
# Copyright (C) 2000 Roaring Penguin Software Inc.  This software may
# be distributed under the terms of the GNU General Public License, version
# 2 or any later version.
# LIC: GPL

# Interface to Internet
EXTIF=ppp+

ANY=0.0.0.0/0

iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP

iptables -F FORWARD
iptables -F INPUT
iptables -F OUTPUT
iptables -F -t nat

# Deny TCP and UDP packets to privileged ports
iptables -A INPUT -i $EXTIF -d $ANY -p tcp --dport 0:1023 -j DROP
iptables -A INPUT -i $EXTIF -d $ANY -p udp --dport 0:1023 -j DROP

# Deny TCP connection attempts
iptables -A INPUT -i $EXTIF -p tcp --syn -j DROP

# Deny ICMP echo-requests
iptables -A INPUT -i $EXTIF -s $ANY -p icmp --icmp-type echo-request -j DROP

# Do masquerading
iptables -t nat -A POSTROUTING -o $EXTIF -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/ip_dynaddr