Rcurl sftp protocol fails for ftpUpload

General
,
1

The following code works successfully when using FTP protocol -

RCurl::ftpUpload(what = "D:\<local-folder\file.pdf",
asText = FALSE,
to = ftp://our-linux-server>,
port =21,
userpwd = "username:password",
connecttimeout = 30

Changing it to use sFTP protocol fails -

RCurl::ftpUpload(what = "D:\<local-folder\file.pdf",
asText = FALSE,
to = sftp://our-linux-server>,
port =22,
userpwd = "username:password",
connecttimeout = 30

This receives -
Error in function (type, msg, asError = TRUE) :
Upload failed: Permission denied (3/-31)

I can see in the auth.log that the user connects successfully.
Additionally, using sFTP protocol locally from the server works successfully. Just not when using rCurl in R script.

Any thoughts?

2

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