As of June 25th 2018, most FTP servers in the world deprecated support for TLS v1.0 and 1.1 for safety reasons.
TLS is a protocol for encrypting data when connecting between client and server.
This move by the IEFT (Internet Engineering Task force) has impact on your Securithor if you are using the APS Help Module.
Fortunately, if you have Securithor 2.1.5, 2.1.6 or 2.1.7, MCDI has a an update for you. Contact MCDI staff to get the update for your APS.
For versions older than 2.1.5, you need to make a full update to either 2.1.5 or 2.1.7. Contact MCDI staff to review options and plan this update.