原来如此。。。
【 在 dadadedada 的大作中提到: 】
:      -O      Use the original SCP protocol for file transfers instead of the SFTP protocol.  Forcing the use of the SCP protocol may be necessary for servers that do not implement SFTP, for backwards-compatibility for particular
:              filename wildcard patterns and for expanding paths with a ‘~’ prefix for older SFTP servers.
:      Since OpenSSH 8.8 (8.7 in Red Hat/Fedora builds), scp has use the SFTP protocol for transfers by default.
: ...................
--
FROM 106.184.119.*