Non-shell accounts and scp/sftp

[Brian Candler]

On 12/12/2023 02:07, Damien Miller wrote:
> yeah, because you're 1) using scp and not sftp and 2) using an old (OpenSSH
> <9.0) version of scp that doesn't use the SFTP protocol under the hood.
> protocol. That changed in OpenSSH 9.0.

However, the client log did say:

debug1: Sending subsystem: sftp
debug2: channel 0: request subsystem confirm 1

Seeing a log from the server side could be illuminating: e.g. 
/usr/sbin/sshd -d -p 99 (and then sftp to port 99)