Problem: the remote host of xftp connection reported an error “no matching outgoing encryption algorithm found”
Reason: the SSH login local terminal caches the relevant security confirmation information. After the remote SSH service is upgraded, the corresponding encryption algorithms are upgraded and modified, but the local cached security information is not updated, resulting in the inability to log in normally.
Solution: select one of aes192 CTR aes128 CTR aes256 CTR. As shown in the figure:
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