ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oHostKeyAlgorithms=+ssh-rsa

ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 123.123.123.123

ssh -c aes128-cbc -oKexAlgorithms=+diffie-hellman-group1-sha1 admin@192.168.1.20

ssh -pXXX -oHostKeyAlgorithms=+ssh-dss -oKexAlgorithms=+diffie-hellman-group1-sha1 xxx.xxx.xxx.xxx