Hi Karl,

Thank you for your response!  I took your example but it didn't work for me:  I edited /etc/ssh/sshd_config on the server and restarted ssh, but X2GO still complained with the same kex error, but Pyhoca is still OK.

I'll take a closer read and will try it again soon; maybe I messed up somehwere.

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From: "KARL A. WOELFER" <kwoelfer@uw.edu>

Hello -

Here is a link with some background, which describes two workarounds :

http://permalink.gmane.org/gmane.linux.terminal-server.x2go.user/2368

You would add this to your sshd_config file on the client (Linux) machine, then restart ssh

#  KexAlgorithms
curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I hope this helps.

- Karl