Passive FTP connection does not work after enabling Plesk Firewall

Created:

2017-05-05 12:58:31 UTC

Modified:

2017-08-16 16:16:38 UTC

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Passive FTP connection does not work after enabling Plesk Firewall

Applicable to:

  • Plesk Onyx for Linux

Symptoms

  • Passive FTP connection does not work after enabling Plesk Firewall Tools & Settings > Firewall > Enable .
  • Cannot list directory when connecting in passive mode:
    ftp> dir
    227 Entering Passive Mode (192,0,2,2,176,121).
    ftp: connect: Connection timed out
  • ip_conntrack_ftp module is not loaded:
    # lsmod | grep conntrack_ftp
    #

Cause

The described behavior is expected if ip_conntrack_ftp module is not loaded.

This is Plesk bug with ID # PPPM-6187. The notification in Plesk UI will be added in future Plesk updates.

Resolution

As a workaround, configure passive ports as described in the article How to configure a passive ports range for ProFTPd on a server behind a firewall .

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