I would like to use the arcfour cipher when mounting a drive using sshfs. However, if i specify sshfs -o Ciphers=arcfour my virtual machine resets the connection (I am able to sshfs without this option). Any way to make this work? I am doing this so that sshfs performs faster (I also have compression off).


The arcfour cipher is no longer supported in modern SSH servers because it is considered insecure. You may want to try aes128-ctr or chacha20-poly1305@openssh.com.

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  • ahh i see; are those faster than whatever the default cipher is? – Alex Aug 1 '18 at 21:08
  • You should try it yourself, I've seen different results, it may depend on hardware and library versions. – RalfFriedl Aug 1 '18 at 21:19
  • great, thx. can't upvote your answer due to rep < 15 unfortunately – Alex Aug 1 '18 at 21:20
  • Maybe worth noting, "arcfour" is RC4 by a different (non-trademarked) name. – Håkan Lindqvist Aug 11 '18 at 15:23

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