FileZilla Errors: “The server’s certificate is unknown” & ECONNREFUSED
You might receive the following error when trying to connect to your cPanel shared hosting account with FileZilla (image):
The server’s certificate is unknown. Please carefully examine the certificate to make sure the server can be trusted.
Proceeding past this error will then generate this error (image):
Error: The data connection could not be established: ECONNREFUSED – Connection refused by server
To resolve this error, you must either connect via sFTP or disable TLS in FileZilla’s Site Manager.