![filezilla ftp client has stopped working correctly filezilla ftp client has stopped working correctly](https://www.hostpapa.com/knowledgebase/wp-content/uploads/2017/07/2-36.png)
Encryption is not compatible with all firewalls. If it doesn't help, try disabling SSL/TLS encryption in your FTP program if you've enabled it. On a Mac, make sure the firewall is turned off in System Preferences > Security & Privacy > Firewall.
#FILEZILLA FTP CLIENT HAS STOPPED WORKING CORRECTLY HOW TO#
If this fixes the problem, consult your firewall's documentation or support to learn how to allow FTP connections with the firewall turned on. The first thing we recommend is turning off any firewall software as a test. Turning on passive mode almost always fixes FTP connection problems. (Look for the words passive or PASV in the settings the checkbox is often labeled "PASV FTP" or something similar.) Consult the documentation for your FTP program if you're unsure how to do it. If you use a different FTP program, it almost certainly has a checkbox to turn on "passive mode" in either the connection setup screen or the program preferences screen. To solve these kinds of connection problems, turn on passive FTP transfer mode in your FTP program: Is there any other way to publish files?.
![filezilla ftp client has stopped working correctly filezilla ftp client has stopped working correctly](https://www.wpkube.com/wp-content/uploads/2016/04/refresh-filezilla-files.png)
It's also the problem if you see an error message mentioning a "PORT" command. "Passive mode" is especially likely to be the problem if your FTP program seems to connect to our server, but is then unable to transfer a file or show a list of files. (There may be other situations where it's needed, too - try the solution below even if you don't think you fall into any of these categories.)