SSH Key Port Scanning

ssh-key-port-finder.sh

#/bin/sh

# Script to check if port 22 (SSH) is open within the range, secondly if our SSH key is accepted by that server.

# Insert your SSH Key here
KEYPUB="/link/root/.ssh/file";
RANGES="0.0.0.0/0 1.1.1.1/1"

for i in `nmap -sT -n -p 22 -P0 -oG - $RANGES | grep open | awk '{print $2}'`
do
	ssh -i $KEYPUB -q -o PreferredAuthentications=publickey -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@$i exit 2>&1 >/dev/null
	if [ "$?" = "0" ]; then
		# echo the IP of the server into the document.
		echo $i >> log-file-of-servers-allowing-connection.txt
	fi
done