Xftp can not find a matching outgoing encryption algorithm how to solve _XFTP

Room relocation, all kinds of IP, on load balance, plus nginx

After a bad operation, the XFTP

Alert ("Cannot find a matching outgoing encryption algorithm");

The reason is that the SSH logon local terminal caches the relevant security acknowledgement information

After the remote SSH service upgrade, its corresponding encryption algorithm has been upgraded, modified

Local cache security information has not been updated, resulting in a failure to log on properly

The solution is to select one of the Aes192-ctr aes128-ctr aes256-ctr.