There are several reasons to protect or encrypt traffic to and from their computer. First of all so that traffic is not sent in plain text, which makes it difficult to intercept.
In order to encrypt the FTP traffic to us when publishing a website, the FTP program needs support for TLS/SSL explicit. As a value addresses or host address, you also need to connect directly to:
If it does not seem to connect by enabling TSL/SSL, it could be because the router or gateway you connect may have a built-in FTP proxy that does not support TSL/SSL. Then you must check with the manufacturer what they can recommend.