Port Knocking
Nmap TCP Port knock in sequence
IFS=$(' ')
#knock in sequence
for i in 324 125 235;do nmap -Pn -p $i --host-timeout 201 --max-retries 0 10.10.10.23; done
#after knock check if port is opened
nmap -p 22 10.10.10.23
Last updated
Was this helpful?