If you use an SNMP manager that supports SNMPv3, you can encrypt the machine management with SNMP.
How to log in to the Web page
Checking or Changing the Settings of This Machine from a Computer
The new settings take effect when the network function of this machine restarts.
An SNMP agent is implemented. You can confirm and change the machine settings with a commercially available SNMP agent. For the MIB in the machine, refer to the "Software DVD-ROM", and check the "README" file in the [Misc] > [MIB Files] folder.