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modprobe ipt_state
modprobe ipt_LOG
modprobe ipt_REJECT
modprobe ipt_limit
iptables -F
iptables -X
iptables -Z
iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport 113 -j REJECT --reject-with tcp-reset
iptables -A INPUT -d 255.255.255.255 -j DROP
iptables -A INPUT -d 224.0.0.1 -j DROP
iptables -A INPUT -p udp --dport 17500 -j DROP
iptables -A INPUT -j LOG --log-prefix "UNDEFIND_INPUT: " -m limit --limit 1/s --limit-burst 10
iptables -A OUTPUT -o lo -j ACCEPT
iptables -A OUTPUT -m state --state NEW -j ACCEPT
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -j LOG --log-prefix "UNDEFIND_OUTPUT: "-m limit --limit 1/s --limit-burst 10
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