Aptana Studio 3 SFTP Key Exchange

If you get this error when trying to connect to remote server via SFTP:

“Establishing SFTP connection failed: No suitable key exchange algorithm could be agreed.
No suitable key exchange algorithm could be agreed.”

Solution:

1. On remote server edit sshd_config:

#nano /etc/ssh/sshd_config

2. Add the following line :

Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,blowfish-cbc,aes128-cbc,3des-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc
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-group1-sha1

3. Restart ssh service

#/etc/init.d/ssh restart

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