port knocking: open only 6 seconds
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firewall
2
firewall
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@ -141,7 +141,7 @@ port_knocking()
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iptables -A INPUT -i $WAN_INT -p tcp --dport $kport -m recent --set --name toc$i
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iptables -A INPUT -i $WAN_INT -p tcp --dport $kport -m recent --set --name toc$i
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fi
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fi
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done
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done
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iptables -A INPUT -i $WAN_INT -p tcp --dport $port -m recent --rcheck --seconds 15 --name toc$i -m state --state NEW -j ACCEPT
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iptables -A INPUT -i $WAN_INT -p tcp --dport $port -m recent --rcheck --seconds 6 --name toc$i -m state --state NEW -j ACCEPT
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}
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}
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start()
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start()
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