- Plesk Onyx for Linux
SFTP Backup extension does not work on Plesk with Ubuntu 16. The following errors appear during attempt to configure an SFTP Backup repository, for example at Tools & Settings > Backup manager > Remote Storage Settings > SFTP Backup:
PLESK_ERROR: Error: Failed to list the directory "/" at sftp://203.0.113.2: cURL error (1): Protocol "sftp" not supported or disabled in libcurl
PLESK_ERROR: Error: SFTP backup fails: Failed to upload a test file to the storage: Failed to upload content to sftp://example.com/test-0d3bb6627992e5252fa9e0a6acc75bda: cURL error (1): Protocol "sftp" not supported or disabled in libcurl
Curl without SSH support which is documented as bug #311029. Because of this SFTP Extension is not supported on Ubuntu.
For tracking purposes Plesk has created internal task with ID #PPPM-9024.
Currently, there is no available workaround for this issue. Click the Follow button in this article to track this issue and to be notified about the changes and fixes.