I’m not entirely sure I understand the question, but if you want to load the pages to display to the client via TFTP from some other server in real time, you cannot do that. If you want to transfer them once, just load them on a machine with Winbox access and then drop the directory into the files window in Winbox to upload them, or use FTP or SFTP.
If you want to display pages on an external server just use meta redirects, but make sure the walled garden permits access to the server so that unauthorized users can pass that traffic.
i want to redirect the login page to External server.
i want use the hotspot with the hotspot directory of Files option to external server web
how can do for that?