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Anti DDOS [Iptables]

ugurdrahs

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Location
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Hi

is this one good for anti ddos?

PHP:
echo "Block TCP-CONNECT scan attempts (SYN bit packets)"
iptables -A INPUT -p tcp --syn -j DROP
echo "Block TCP-SYN scan attempts (only SYN bit packets)"
iptables -A INPUT -m conntrack --ctstate NEW -p tcp --tcp-flags SYN,RST,ACK,FIN,URG,PSH SYN -j DROP
echo "Block TCP-FIN scan attempts (only FIN bit packets)"
iptables -A INPUT -m conntrack --ctstate NEW -p tcp --tcp-flags SYN,RST,ACK,FIN,URG,PSH FIN -j DROP
echo "Block TCP-ACK scan attempts (only ACK bit packets)"
iptables -A INPUT -m conntrack --ctstate NEW -p tcp --tcp-flags SYN,RST,ACK,FIN,URG,PSH ACK -j DROP
echo "Block TCP-NULL scan attempts (packets without flag)"
iptables -A INPUT -m conntrack --ctstate INVALID -p tcp --tcp-flags ! SYN,RST,ACK,FIN,URG,PSH SYN,RST,ACK,FIN,URG,PSH -j DROP
echo "Block "Christmas Tree" TCP-XMAS scan attempts (packets with FIN, URG, PSH bits)"
iptables -A INPUT -m conntrack --ctstate NEW -p tcp --tcp-flags SYN,RST,ACK,FIN,URG,PSH FIN,URG,PSH -j DROP

echo "Block DOS - Ping of Death"
iptables -A INPUT -p ICMP --icmp-type echo-request -m length --length 60:65535 -j ACCEPT
echo "Block DOS - Teardrop"
iptables -A INPUT -p UDP -f -j DROP
echo "Block DDOS - SYN-flood"
iptables -A INPUT -p TCP --syn -m iplimit --iplimit-above 9 -j DROP
echo "Block DDOS - Smurf"
iptables -A INPUT -m pkttype --pkt-type broadcast -j DROP
iptables -A INPUT -p ICMP --icmp-type echo-request -m pkttype --pkttype broadcast -j DROP
iptables -A INPUT -p ICMP --icmp-type echo-request -m limit --limit 3/s -j ACCEPT
echo "Block DDOS - UDP-flood (Pepsi)"
iptables -A INPUT -p UDP --dport 7 -j DROP
iptables -A INPUT -p UDP --dport 19 -j DROP
echo "Block DDOS - SMBnuke"
iptables -A INPUT -p UDP --dport 135:139 -j DROP
iptables -A INPUT -p TCP --dport 135:139 -j DROP
echo "Block DDOS - Connection-flood"
iptables -A INPUT -p TCP --syn -m iplimit --iplimit-above 3 -j DROP
echo "Block DDOS - Fraggle"
iptables -A INPUT -p UDP -m pkttype --pkt-type broadcast -j DROP
iptables -A INPUT -p UDP -m limit --limit 3/s -j ACCEPT
echo "Block DDOS - Jolt"
iptables -A INPUT -p ICMP -f -j DROP

Got it from [Linux] Anti DDoS iptables rules - Blogs - OtLand



some1 can tell me if its good or not?
 
Last edited:
Where to put this script ??


PHP:
#!/bin/sh
#------------------------------------------------------------------------------
#
# File: SIG-antiDDoS.sh
#
# Compiler: Ruslan Abuzant <[email protected]>
#           PS> Collected From Lots Of Sources
#           PS> Credits: Real Authors (no idea)
#
# URL: http://www.liteforex.org/
#
# License: GNU GPL (version 2, or any later version).
#
# Configuration.
#------------------------------------------------------------------------------

# For debugging use iptables -v.
IPTABLES="/sbin/iptables"
IP6TABLES="/sbin/ip6tables"
MODPROBE="/sbin/modprobe"
RMMOD="/sbin/rmmod"
ARP="/usr/sbin/arp"


# Logging options.
#------------------------------------------------------------------------------
LOG="LOG --log-level debug --log-tcp-sequence --log-tcp-options"
LOG="$LOG --log-ip-options"


# Defaults for rate limiting
#------------------------------------------------------------------------------
RLIMIT="-m limit --limit 3/s --limit-burst 8"


# Unprivileged ports.
#------------------------------------------------------------------------------
PHIGH="1024:65535"
PSSH="1000:1023"


# Load required kernel modules
#------------------------------------------------------------------------------
$MODPROBE ip_conntrack_ftp
$MODPROBE ip_conntrack_irc


# Mitigate ARP spoofing/poisoning and similar attacks.
#------------------------------------------------------------------------------
# Hardcode static ARP cache entries here
# $ARP -s IP-ADDRESS MAC-ADDRESS


# Kernel configuration.
#------------------------------------------------------------------------------

# Disable IP forwarding.
# On => Off = (reset)
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 0 > /proc/sys/net/ipv4/ip_forward

# Enable IP spoofing protection
for i in /proc/sys/net/ipv4/conf/*/rp_filter; do echo 1 > $i; done

# Protect against SYN flood attacks
echo 1 > /proc/sys/net/ipv4/tcp_syncookies

# Ignore all incoming ICMP echo requests
echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all

# Ignore ICMP echo requests to broadcast
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts

# Log packets with impossible addresses.
for i in /proc/sys/net/ipv4/conf/*/log_martians; do echo 1 > $i; done

# Don't log invalid responses to broadcast
echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses

# Don't accept or send ICMP redirects.
for i in /proc/sys/net/ipv4/conf/*/accept_redirects; do echo 0 > $i; done
for i in /proc/sys/net/ipv4/conf/*/send_redirects; do echo 0 > $i; done

# Don't accept source routed packets.
for i in /proc/sys/net/ipv4/conf/*/accept_source_route; do echo 0 > $i; done

# Disable multicast routing
for i in /proc/sys/net/ipv4/conf/*/mc_forwarding; do echo 0 > $i; done

# Disable proxy_arp.
for i in /proc/sys/net/ipv4/conf/*/proxy_arp; do echo 0 > $i; done

# Enable secure redirects, i.e. only accept ICMP redirects for gateways
# Helps against MITM attacks.
for i in /proc/sys/net/ipv4/conf/*/secure_redirects; do echo 1 > $i; done

# Disable bootp_relay
for i in /proc/sys/net/ipv4/conf/*/bootp_relay; do echo 0 > $i; done

# Default policies.
#------------------------------------------------------------------------------

# Drop everything by default.
$IPTABLES -P INPUT DROP
$IPTABLES -P FORWARD DROP
$IPTABLES -P OUTPUT DROP

# Set the nat/mangle/raw tables' chains to ACCEPT
$IPTABLES -t nat -P PREROUTING ACCEPT
$IPTABLES -t nat -P OUTPUT ACCEPT
$IPTABLES -t nat -P POSTROUTING ACCEPT

$IPTABLES -t mangle -P PREROUTING ACCEPT
$IPTABLES -t mangle -P INPUT ACCEPT
$IPTABLES -t mangle -P FORWARD ACCEPT
$IPTABLES -t mangle -P OUTPUT ACCEPT
$IPTABLES -t mangle -P POSTROUTING ACCEPT

# Cleanup.
#------------------------------------------------------------------------------

# Delete all
$IPTABLES -F
$IPTABLES -t nat -F
$IPTABLES -t mangle -F

# Delete all
$IPTABLES -X
$IPTABLES -t nat -X
$IPTABLES -t mangle -X

# Zero all packets and counters.
$IPTABLES -Z
$IPTABLES -t nat -Z
$IPTABLES -t mangle -Z

# Completely disable IPv6.
#------------------------------------------------------------------------------

# Block all IPv6 traffic
# If the ip6tables command is available, try to block all IPv6 traffic.
if test -x $IP6TABLES; then
# Set the default policies
# drop everything
$IP6TABLES -P INPUT DROP 2>/dev/null
$IP6TABLES -P FORWARD DROP 2>/dev/null
$IP6TABLES -P OUTPUT DROP 2>/dev/null

# The mangle table can pass everything
$IP6TABLES -t mangle -P PREROUTING ACCEPT 2>/dev/null
$IP6TABLES -t mangle -P INPUT ACCEPT 2>/dev/null
$IP6TABLES -t mangle -P FORWARD ACCEPT 2>/dev/null
$IP6TABLES -t mangle -P OUTPUT ACCEPT 2>/dev/null
$IP6TABLES -t mangle -P POSTROUTING ACCEPT 2>/dev/null

# Delete all rules.
$IP6TABLES -F 2>/dev/null
$IP6TABLES -t mangle -F 2>/dev/null

# Delete all chains.
$IP6TABLES -X 2>/dev/null
$IP6TABLES -t mangle -X 2>/dev/null

# Zero all packets and counters.
$IP6TABLES -Z 2>/dev/null
$IP6TABLES -t mangle -Z 2>/dev/null
fi

# Custom user-defined chains.
#------------------------------------------------------------------------------

# LOG packets, then ACCEPT.
$IPTABLES -N ACCEPTLOG
$IPTABLES -A ACCEPTLOG -j $LOG $RLIMIT --log-prefix "ACCEPT "
$IPTABLES -A ACCEPTLOG -j ACCEPT

# LOG packets, then DROP.
$IPTABLES -N DROPLOG
$IPTABLES -A DROPLOG -j $LOG $RLIMIT --log-prefix "DROP "
$IPTABLES -A DROPLOG -j DROP

# LOG packets, then REJECT.
# TCP packets are rejected with a TCP reset.
$IPTABLES -N REJECTLOG
$IPTABLES -A REJECTLOG -j $LOG $RLIMIT --log-prefix "REJECT "
$IPTABLES -A REJECTLOG -p tcp -j REJECT --reject-with tcp-reset
$IPTABLES -A REJECTLOG -j REJECT

# Only allows RELATED ICMP types
# (destination-unreachable, time-exceeded, and parameter-problem).
# TODO: Rate-limit this traffic?
# TODO: Allow fragmentation-needed?
# TODO: Test.
$IPTABLES -N RELATED_ICMP
$IPTABLES -A RELATED_ICMP -p icmp --icmp-type destination-unreachable -j ACCEPT
$IPTABLES -A RELATED_ICMP -p icmp --icmp-type time-exceeded -j ACCEPT
$IPTABLES -A RELATED_ICMP -p icmp --icmp-type parameter-problem -j ACCEPT
$IPTABLES -A RELATED_ICMP -j DROPLOG

# Make It Even Harder To Multi-PING
$IPTABLES  -A INPUT -p icmp -m limit --limit 1/s --limit-burst 2 -j ACCEPT
$IPTABLES  -A INPUT -p icmp -m limit --limit 1/s --limit-burst 2 -j LOG --log-prefix PING-DROP:
$IPTABLES  -A INPUT -p icmp -j DROP
$IPTABLES  -A OUTPUT -p icmp -j ACCEPT

# Only allow the minimally required/recommended parts of ICMP. Block the rest.
#------------------------------------------------------------------------------

# TODO: This section needs a lot of testing!

# First, drop all fragmented ICMP packets (almost always malicious).
$IPTABLES -A INPUT -p icmp --fragment -j DROPLOG
$IPTABLES -A OUTPUT -p icmp --fragment -j DROPLOG
$IPTABLES -A FORWARD -p icmp --fragment -j DROPLOG

# Allow all ESTABLISHED ICMP traffic.
$IPTABLES -A INPUT -p icmp -m state --state ESTABLISHED -j ACCEPT $RLIMIT
$IPTABLES -A OUTPUT -p icmp -m state --state ESTABLISHED -j ACCEPT $RLIMIT

# Allow some parts of the RELATED ICMP traffic, block the rest.
$IPTABLES -A INPUT -p icmp -m state --state RELATED -j RELATED_ICMP $RLIMIT
$IPTABLES -A OUTPUT -p icmp -m state --state RELATED -j RELATED_ICMP $RLIMIT

# Allow incoming ICMP echo requests (ping), but only rate-limited.
$IPTABLES -A INPUT -p icmp --icmp-type echo-request -j ACCEPT $RLIMIT

# Allow outgoing ICMP echo requests (ping), but only rate-limited.
$IPTABLES -A OUTPUT -p icmp --icmp-type echo-request -j ACCEPT $RLIMIT

# Drop any other ICMP traffic.
$IPTABLES -A INPUT -p icmp -j DROPLOG
$IPTABLES -A OUTPUT -p icmp -j DROPLOG
$IPTABLES -A FORWARD -p icmp -j DROPLOG

# Selectively allow certain special types of traffic.
#------------------------------------------------------------------------------

# Allow loopback interface to do anything.
$IPTABLES -A INPUT -i lo -j ACCEPT
$IPTABLES -A OUTPUT -o lo -j ACCEPT

# Allow incoming connections related to existing allowed connections.
$IPTABLES -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

# Allow outgoing connections EXCEPT invalid
$IPTABLES -A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT

# Miscellaneous.
#------------------------------------------------------------------------------

# We don't care about Milkosoft, Drop SMB/CIFS/etc..
$IPTABLES -A INPUT -p tcp -m multiport --dports 135,137,138,139,445,1433,1434 -j DROP
$IPTABLES -A INPUT -p udp -m multiport --dports 135,137,138,139,445,1433,1434 -j DROP

# Explicitly drop invalid incoming traffic
$IPTABLES -A INPUT -m state --state INVALID -j DROP

# Drop invalid outgoing traffic, too.
$IPTABLES -A OUTPUT -m state --state INVALID -j DROP

# If we would use NAT, INVALID packets would pass - BLOCK them anyways
$IPTABLES -A FORWARD -m state --state INVALID -j DROP

# PORT Scanners (stealth also)
$IPTABLES -A INPUT -m state --state NEW -p tcp --tcp-flags ALL ALL -j DROP
$IPTABLES -A INPUT -m state --state NEW -p tcp --tcp-flags ALL NONE -j DROP

# TODO: Some more anti-spoofing rules? For example:
# $IPTABLES -A INPUT -p tcp --tcp-flags ALL FIN,URG,PSH -j DROP
# $IPTABLES -A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
# $IPTABLES -A INPUT -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
$IPTABLES -N SYN_FLOOD
$IPTABLES -A INPUT -p tcp --syn -j SYN_FLOOD
$IPTABLES -A SYN_FLOOD -m limit --limit 2/s --limit-burst 6 -j RETURN
$IPTABLES -A SYN_FLOOD -j DROP

# TODO: Block known-bad IPs (see http://www.dshield.org/top10.php).
# $IPTABLES -A INPUT -s INSERT-BAD-IP-HERE -j DROPLOG

# Drop any traffic from IANA-reserved IPs.
#------------------------------------------------------------------------------

$IPTABLES -A INPUT -s 0.0.0.0/7 -j DROP
$IPTABLES -A INPUT -s 2.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 5.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 7.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 10.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 23.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 27.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 31.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 36.0.0.0/7 -j DROP
$IPTABLES -A INPUT -s 39.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 42.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 49.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 50.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 77.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 78.0.0.0/7 -j DROP
$IPTABLES -A INPUT -s 92.0.0.0/6 -j DROP
$IPTABLES -A INPUT -s 96.0.0.0/4 -j DROP
$IPTABLES -A INPUT -s 112.0.0.0/5 -j DROP
$IPTABLES -A INPUT -s 120.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 169.254.0.0/16 -j DROP
$IPTABLES -A INPUT -s 172.16.0.0/12 -j DROP
$IPTABLES -A INPUT -s 173.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 174.0.0.0/7 -j DROP
$IPTABLES -A INPUT -s 176.0.0.0/5 -j DROP
$IPTABLES -A INPUT -s 184.0.0.0/6 -j DROP
$IPTABLES -A INPUT -s 192.0.2.0/24 -j DROP
$IPTABLES -A INPUT -s 197.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 198.18.0.0/15 -j DROP
$IPTABLES -A INPUT -s 223.0.0.0/8 -j DROP
$IPTABLES -A INPUT -s 224.0.0.0/3 -j DROP

# Selectively allow certain outbound connections, block the rest.
#------------------------------------------------------------------------------

# Allow outgoing DNS requests. Few things will work without this.
$IPTABLES -A OUTPUT -m state --state NEW -p udp --dport 53 -j ACCEPT
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 53 -j ACCEPT

# Allow outgoing HTTP requests. Unencrypted, use with care.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 80 -j ACCEPT

# Allow outgoing HTTPS requests.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 443 -j ACCEPT

# Allow outgoing SMTPS requests. Do NOT allow unencrypted SMTP!
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 465 -j ACCEPT

# Allow outgoing "submission" (RFC 2476) requests.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 587 -j ACCEPT

# Allow outgoing POP3S requests.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 995 -j ACCEPT

# Allow outgoing SSH requests.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 22 -j ACCEPT

# Allow outgoing FTP requests. Unencrypted, use with care.
$IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 21 -j ACCEPT

# Allow outgoing NNTP requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 119 -j ACCEPT

# Allow outgoing NTP requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p udp --dport 123 -j ACCEPT

# Allow outgoing IRC requests. Unencrypted, use with care.
# Note: This usually needs the ip_conntrack_irc kernel module.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 6667 -j ACCEPT

# Allow outgoing requests to various proxies. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 8080 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 8090 -j ACCEPT

# Allow outgoing DHCP requests. Unencrypted, use with care.
# TODO: This is completely untested, I have no idea whether it works!
# TODO: I think this can be tightened a bit more.
$IPTABLES -A OUTPUT -m state --state NEW -p udp --sport 67:68 --dport 67:68 -j ACCEPT

# Allow outgoing CVS requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 2401 -j ACCEPT

# Allow outgoing MySQL requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 3306 -j ACCEPT

# Allow outgoing SVN requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 3690 -j ACCEPT

# Allow outgoing PLESK requests. Unencrypted, use with care.
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 8443 -j ACCEPT

# Allow outgoing Tor (http://tor.eff.org) requests.
# Note: Do _not_ use unencrypted protocols over Tor (sniffing is possible)!
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9001 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9002 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9030 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9031 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9090 -j ACCEPT
# $IPTABLES -A OUTPUT -m state --state NEW -p tcp --dport 9091 -j ACCEPT

# Allow outgoing OpenVPN requests.
$IPTABLES -A OUTPUT -m state --state NEW -p udp --dport 1194 -j ACCEPT

# TODO: ICQ, MSN, GTalk, Skype, Yahoo, etc...

# Selectively allow certain inbound connections, block the rest.
#------------------------------------------------------------------------------

# Allow incoming DNS requests.
$IPTABLES -A INPUT -m state --state NEW -p udp --dport 53 -j ACCEPT
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 53 -j ACCEPT

# Allow incoming HTTP requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 80 -j ACCEPT

# Allow incoming HTTPS requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 443 -j ACCEPT

# Allow incoming POP3 requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 110 -j ACCEPT

# Allow incoming IMAP4 requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 143 -j ACCEPT

# Allow incoming POP3S requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 995 -j ACCEPT

# Allow incoming SMTP requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 25 -j ACCEPT

# Allow incoming SSH requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 22 -j ACCEPT

# Allow incoming FTP requests.
$IPTABLES -A INPUT -m state --state NEW -p tcp --dport 21 -j ACCEPT

# Allow incoming NNTP requests.
# $IPTABLES -A INPUT -m state --state NEW -p tcp --dport 119 -j ACCEPT

# Allow incoming MySQL requests.
# $IPTABLES -A INPUT -m state --state NEW -p tcp --dport 3306 -j ACCEPT

# Allow incoming PLESK requests.
# $IPTABLES -A INPUT -m state --state NEW -p tcp --dport 8843 -j ACCEPT

# Allow incoming BitTorrent requests.
# TODO: Are these already handled by ACCEPTing established/related traffic?
# $IPTABLES -A INPUT -m state --state NEW -p tcp --dport 6881 -j ACCEPT
# $IPTABLES -A INPUT -m state --state NEW -p udp --dport 6881 -j ACCEPT

# Allow incoming nc requests.
# $IPTABLES -A INPUT -m state --state NEW -p tcp --dport 2030 -j ACCEPT
# $IPTABLES -A INPUT -m state --state NEW -p udp --dport 2030 -j ACCEPT

# Explicitly log and reject everything else.
#------------------------------------------------------------------------------
# Use REJECT instead of REJECTLOG if you don't need/want logging.
$IPTABLES -A INPUT -j REJECTLOG
$IPTABLES -A OUTPUT -j REJECTLOG
$IPTABLES -A FORWARD -j REJECTLOG


#------------------------------------------------------------------------------
# Testing the firewall.
#------------------------------------------------------------------------------

# You should check/test that the firewall really works, using
# iptables -vnL, nmap, ping, telnet, ...

# Exit gracefully.
#------------------------------------------------------------------------------

    exit 0


In ubuntu 10.0.4

repp+
 
Put it anywhere you like to.
chmod it and then ./name.sh

name is the name you'll give to the script above, has to end with .sh
e.g ddos.sh

so you would do

cd /dunno/dunno/
./ddos.sh

;)
 
PHP:
root@/home# ./ddos.sh
: command not found
: command not found
: command not found
: command not found
: command not found
: command not found
: command not found
: command not found
: command not found
: No such file or directoryodprobe
: No such file or directoryodprobe
: command not found
: command not found
: command not found
: command not found
: command not found
: No such file or directoryys/net/ipv4/ip_forward
: No such file or directoryys/net/ipv4/ip_forward
: command not found
./ddos.sh: line 455: syntax error: unexpected end of file

wHATS the problem :S?
 
Holy fuck you totaly suck. You spamming people for help and can't fix anthing and get an income of 200€ per day with your crap OT?[/B]

Don't be mad, there's no reason for what you have said....
He need help, if you know how help him, if not don't answer..
 
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