Filezilla 425 can't open data connection

Win 2008 SERVER + filezilla FTP server, ftp port: 7890

The FTP server and port access are allowed in the firewall. After the FTP server and port access are configured, The filezilla FTP client can be connected in passive mode, but the error 425 can't open data connection, the directory list cannot be read. The server also prompts 425 can't open data connectio.

Solution:

1. First try to cancel the passive mode of filezilla FTP client, or the instinct list;

2. You can only find the reason on the server.

Filezilla FTP server-> edit-> Settings-> Passive Mode settings, specify the port range used in passive mode, open before use custom port range, set the port range to 2014 to 2020, open these ports in the Windows Firewall.

3. Open Port 2014-2020 In The Middle Of The Security Group

OK. The problem is solved. The client connection is normal and can be listed.

Filezilla 425 can't open data connection