Anything newer than 4.0.2 will not connect to SFTP servers

Anything newer than 4.0.2 will not connect to SFTP servers

Just get failed connections and "SSH_DISCONNECT_PROTOCOL_ERROR"

OpenSSH of all versions connects to servers.

Please reveret back to 4.0.2 or OpenSSH compliant.

So even 4.0.3 does not work?
What is your SSH server?