Plesk for Windows
Plesk for Linux
kb: technical
Applicable to:
- Plesk for Linux
- Plesk for Windows
Symptoms
Plesk backup to a remote FTP server fails with one of the following errors:
Error: Transport error: unable to list directory: Curl error: (28) Timeout was reached: Last FTP request: LIST Last FTP response: 200 Type set to A
Transport error: unable to list directory: Curl error: (28) Timeout was reached: Last FTP request: PASV Last FTP response: 229 Entering Extended Passive Mode (|||5985|)
Cause
The FTP ports on the remote FTP server are filtered by a firewall.
Resolution
For remote FTP backups to work, make sure that these ports are open.
-
On the FTP server
- Incoming and outgoing connections:
20 - FTP data transfer for active mode (TCP)
21 - FTP (TCP) - Incoming connections only:
49152-65535 - (TCP) for FTP passive mode
- Incoming and outgoing connections:
-
On the Plesk server
- Incoming and outgoing connections:
20 - FTP data transfer for active mode (TCP)
21 - FTP (TCP)
- Incoming and outgoing connections:
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