Remote Management - Digitus RedRapid X User Manual

It means the content in 'Current Password' field is wrong, please click 'OK' to go
back to previous menu, and try to input current password again.
If the current and new passwords are correctly entered, after you click 'Apply',
you'll be prompted to input your new password:
Please use new password to enter web management interface again, and you
should be able to login with new password.

5.2.1.3. Remote Management

The Remote Access function can secure remote host access to your router from
LAN and WAN interfaces for some services provided by the router. These
services include Telnet, FTP, TFTP, HTTP, SNMP and PING.
Please click 'System' menu on the left of web management interface, then click
'Remote Management', and the following page will be displayed on your web
browser:
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