You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
670 B
23 lines
670 B
sudo apt update
|
|
sudo apt upgrade -y
|
|
#Find worker1 IP
|
|
worker1=$(ifconfig|grep inet|sed -n lp|awk "{print \$2}")
|
|
clear
|
|
sudo iptables -F
|
|
echo "2 sec ICMP packet sniffing"
|
|
sleep 2s
|
|
sudo timeout 2s tcpdump -i eth0 icmp $worker1
|
|
sleep 2s
|
|
echo "New iptables rules"
|
|
#clean iptables rules from previous script runs
|
|
sudo iptables -X
|
|
sudo iptables -N icmp_flood
|
|
sudo iptables -A INPUT -p icmp -j icmp_flood
|
|
#limit icmp_flood to 1 packets per second
|
|
sudo iptables -A icmp_flood -m limit --limit 1/s --limit-burst 3 -j RETURN
|
|
sudo iptables -A icmp_flood -j DROP
|
|
sleep 2s
|
|
echo "2 sec ICMP packet sniffing after iptables config"
|
|
sleep 2s
|
|
sudo timeout 2s tcpdump -i eth0 icmp $worker1
|
|
|
|
|