Filezilla not able not connect

Status: Server sent passive reply with unroutable address. Using server address instead.
Command: LIST
Error: Transfer connection interrupted: ECONNRESET - Connection reset by peer
Error: Connection timed out after 20 seconds of inactivity
Error: Failed to retrieve directory listing

I have tried each and every post in forum to solve this error but to no use.Please help!

Please refer to the following

Do we have to make any changes in the firewall

After getting the key and certificate make required changes in the vsftpd.conf file. That would be sufficient to proceed further.

I’m closing this topic due to no response from anyone. If your query is resolved you can mark any reply as a solution. If you still have the query, please create a new topic paste the link of this topic in the description.