hoangdangninh
5/26/2017 - 5:34 AM
From http://mgalgs.github.io/2014/10/22/enable-arcfour-and-other-fast-ciphers-on-recent-versions-of-openssh.html
# On ssh server
# List all available cipher protocol
$ ssh -Q cipher localhost | paste -d , -s
3des-cbc,blowfish-cbc,cast128-cbc,arcfour,arcfour128,arcfour256,aes128-cbc,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com
# Append to /etc/ssh/sshd_config this line
Ciphers 3des-cbc,blowfish-cbc,cast128-cbc,arcfour,arcfour128,arcfour256,aes128-cbc,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com
# On ssh client
$ ssh -X -C -c blowfish-cbc administrator@dellt620 -p 50000