I'm using a GUI FTP client (WinSCP) to connect the remote FTP server (which is powered by vsftpd on Cent OS).

The GUI logs show that I can connect to the server but it was stucking on retrieving directory listing... and finally timeout!

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Also I'm following an answer to vsftpd error Listing Directories and have configured my vsftpd.conf, but still failed.

Anybody some clues?

vsftpd.conf sample:






You have to open the port range 64000-64321 in the local firewall on the server. And if there are any external firewalls or NAT's, configure these to allow/route the port range too.

See also a relevant WinSCP article to understand, what network configuration is needed for the passive FTP.

  • It may not be necessary to open the ephemeral ports explicitly if you use a staeful firewall (which CentOS) does and you configure it for RELATED connections. – user9517 Jan 11 '16 at 9:52
  • True, but only for unecrypted FTP, which one should not use anyway. For encrypted FTP (over TLS), this cannot help. It's covered in the last section of the article. – Martin Prikryl Jan 11 '16 at 9:55
  • Hi the WinSCP guy, open the port range fixes this issue. – Sam Su Jan 12 '16 at 2:06
  • Check your VSFTPD logs and take appropriate action.
  • If SELinux is enabled check /var/log/audit.audit.log for relevant messages and take appropriate action.
  • Ensure that your firewall is configured to allow port 21 and RELATED connections.

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