petroskaridis
4 years ago
1 changed files with 0 additions and 23 deletions
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sudo apt update |
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sudo apt upgrade -y |
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#Find worker1 IP |
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worker1=$(ifconfig|grep inet|sed -n lp|awk "{print \$2}") |
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clear |
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sudo iptables -F |
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echo "2 sec ICMP packet sniffing" |
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sleep 2s |
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sudo timeout 2s tcpdump -i eth0 icmp $worker1 |
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sleep 2s |
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echo "New iptables rules" |
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#clean iptables rules from previous script runs |
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sudo iptables -X |
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sudo iptables -N icmp_flood |
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sudo iptables -A INPUT -p icmp -j icmp_flood |
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#limit icmp_flood to 1 packets per second |
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sudo iptables -A icmp_flood -m limit --limit 1/s --limit-burst 3 -j RETURN |
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sudo iptables -A icmp_flood -j DROP |
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sleep 2s |
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echo "2 sec ICMP packet sniffing after iptables config" |
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sleep 2s |
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sudo timeout 2s tcpdump -i eth0 icmp $worker1 |
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