FTP.EXE connections cannot be prohibited in the 64-bit OS.
When prohibiting the FTP connection that uses Internet Explorer, execute the URL access prohibition function.
Only the FTP communication when the communication port to which the FTP client is connected is set to "21" can be prohibited.
When the FTP client is started through the Command Prompt window, this function can only prohibit Windows FTP.EXE.
This function will not prohibit the secure FTP (FTP protocols for encrypted communication such as FTPS or SFTP).
When FTP server connection prohibition policy is applied, if the FTP server has been connected, server connection will be cut off forcibly.
Under the following conditions, FTP server prohibition function will be run when operations are continued after the secure content has been displayed, when moving between folders and file transfer have been started and when connecting FTP server.
When the FTP folder browser is effective and FTP connection prohibition is applied for the Windows Explorer.
When the previous connection has been saved in the cache.
If you access an FTP server from Internet Explorer in an environment where Internet Explorer 11 is installed, the FTP server connection prohibition feature will not operate.
When a user without administrator authority runs an application as the administrator and operates the FTP server connection prohibition feature, prohibition logs will not be recorded. In addition, no prohibition message will be displayed.
The FTP server connection prohibition feature does not work for Microsoft Edge (the latter does not support access to FTP servers that require login using user name/password).
The FTP server connection prohibition feature may not work if Windows FTP.EXE is executed with a script specified for the option.
