Date: 2021-08-17
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Note
Once deleted, the logfiles are gone with the wind! Normally, the CS141 provides enough space to store the data a complete
lifetime cycle. If in doubt, ensure a backup of the data files is available. Please note, there is no option to recover data on the
device itself.
Tutorial: Complete data delete routine
As a web manager, the CS141 provides a large amount of data about installed devices to ensure deep analysis in case of
incidents:
- Battery data
- Sensor data
- Event Logs
- Transmit / receive confirmations
- [...]
The exact data collected by the CS141 webmanager depends on the hardware connected to it as well as the state of
configuration. However, as these data may contain both, very sensitive information about the security concept of an IT
infrastructure and clearly reconstructable chain of events, a complete data deletion is recommended in case of a reorientation to
new tasks.:
As an example, if the CS141 shall be sold, all user traces should be removed completely.
Where are log files stored?
In principle, these log files can be found in two places:
1. The regular operating mode
The current log files are created in real time and managed accordingly. If you intentionally delete these files via the toolbox, they
are lost - data recovery is not possible
2. The Rescue Mode
As soon as you perform a system update in any form, the existing data and configurations are parked in the Rescue Mode as
"last known good". The regular operating mode is set back to 0 and starts after a successful flashing with a new set of log files.
Due to this fact, the CS141 provides even an emergency data rescue option:
After an accidental flash, the rescue mode will allow to access log files as well as the last existing configuration since the
previous planned firmware flash.
Complete removal of all user traces
To completely erase all data, first set the slide switch to centre position to enable the configuration mode and its hard-coded IP
address 10.10.10.10 and the subnet mask 255.255.255.0. Make sure that you have assigned a suitable IP address to your
computer or enter a corresponding route to access the CS141. Carry out two flash updates in a row. Ensure both cases the
checkboxes are selected: Factory default and network reset.
The first flash update transfers data and configuration from the regular operating mode to the Rescue mode and deletes all data
during the subsequent flash process. The second flash update transfers the completely empty configuration from the
configuration mode to the rescue mode.
Note
Type http://10.10.10.10/update in the browser and run the flash update after entering the current administrator password. On the
second pass, the default password cs141-snmp is active
