Some command-line and custom FTP clients will generate the third error than is often quite confusing to those new to the platform.Īs a policy, SSL is made to ensure that all connections to a web server are passed through an encryption channel and that anyone accessing the server is authorized to do so. The first two errors might appear in some FTP clients such as FileZilla or WinSCP when you wither try to connect or try to download or upload a file to your web server. Often, attempting a connection without SSL will trigger the following error and abort the connection attempt without warning or providing an alternative method to resolve the issue: It usually occurs when the remote web server requires SSL, but your client (FTP client) does not have SSL/ TLS enabled. Error Code 534Ī 534 error is generated whenever you try to connect to a secured web server through an unsecured channel.

As a word of caution, 534 errors mean that the server has already refused any command issued and will force you to make some changes to enforce SSL before you proceed. In this brief guide, you’ll learn all you need to know about 534 errors, why they are generated, when they are most likely going to occur and what you can do to fix them. Though rare, 534 errors are quite common in FTP,and they are made to enforce security protocols for remote file servers using SSL. Have you ever tried to issue an FTP command or transfer files and greeted with a 534 error? You probably wondered what triggered it and how you could get rid of it.

Filezilla ftp ssl required