or download this
# call args: ['ssh','-o','CheckHostIP no','-o','HashKnownHosts no','-o
+','StrictHostKeyChecking no','-o','VerifyHostKeyDNS no','-o','UserKno
+wnHostsFile /dev/null','-o','HostbasedAuthentication no','-o','Challe
+ngeResponseAuthentication no','-o','RhostsRSAAuthentication no','-o',
+'GSSAPIAuthentication no','-o','ProxyCommand=ssh -o "PasswordAuthenti
+cation no" -o "GSSAPIAuthentication no" -vvv -k root@192.168.1.1 nc %
+h 22','-o','PasswordAuthentication yes','-o','PubkeyAuthentication ye
+s','-o','ServerAliveInterval=30','-x2MN','-o','NumberOfPasswordPrompt
+s=1','-o','PreferredAuthentications=publickey,keyboard-interactive,pa
+ssword','-S','/root/.libnet-openssh-perl/root-10.20.30.40-16309-99228
+','-l','root','10.20.30.40','--']