Issue; debian@debian:~$ medusa -u iotgoatuser -P miraiList.txt -h 192.168.64.255 -M sshMedusa v2.2 http://www.foofus.net JoMo-Kun / Foofus Networks jmk@foofus.net NOTICE: ssh.mod: failed to connect, port 22 was not open on 192.168.64.255 Solution sudo apt-get install openssh-server (I even tried uninstall and install)