Created
October 14, 2020 14:47
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Find all ssh host keys on a network segment
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| #!/bin/bash | |
| SUBNET="10.5.42.0/24 | |
| # compare the output to your ~/.ssh/known_hosts list | |
| for ip in `nmap -p 22 --open -oG - $SUBNET | grep '22/open' | cut -f2 -d" " `; do key="`ssh-keyscan -H -t rsa $ip 2>&1| grep -v '^# '`"; if [ "$key" ]; then echo "$ip $key"; fi ; done |
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