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# Device Display Settings
This set of settings allows you to group Devices under different views. The Archived toggle allows you to exclude a Device from most listings and notifications.
![Display settings](/docs/img/DEVICE_MANAGEMENT/DeviceDetails_DisplaySettings.png)

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# NetAlertX - Device Management
<!--- --------------------------------------------------------------------- --->
To edit device information:
- Select "Devices" in the menu on the left of the screen
- Find the device you want to edit in the central table
- Go to the device page by clicking on the device name or status
- Press "Details" tab of the device
- Edit the device data
- Press the "Save" button
The Main Info section is where most of the device identifyiable information is stored and edited. Some of the information is autodetected via various plugins. Initial values for most of the fields can be specified in the `NEWDEV` plugin.
> [!NOTE]
>
> [Bulk-edit devices](https://github.com/jokob-sk/NetAlertX/blob/main/docs/DEVICES_BULK_EDITING.md) by using the _CSV Export_ functionality in the _Maintenance_ section.
> You can multi-edit devices by selecting them in the main Devices view, from the Mainetence section, or via the CSV Export fucntionality under Maintenance. More info can be found in the [Devices Bulk-editing docs](https://github.com/jokob-sk/NetAlertX/blob/main/docs/DEVICES_BULK_EDITING.md).
![Device Details][screen1]
![Main Info](/docs/img/DEVICE_MANAGEMENT/DeviceManagement_MainInfo.png)
## Main Info
- **MAC**: MAC addres of the device. Not editable.
- **Name**: Friendly device name
- **Owner**: Device owner (The list is self-populated with existing owners)
- **Type**: Select a device type from the dropdown list (Smartphone, Table,
Laptop, TV, router, ....) or type a new device type
- **Vendor**: Automatically updated by NetAlertX when empty or unknown
- **Favorite**: Mark the device as favorite and then it will appears at the
begining of the device list
- **Group**: Select a grouper ('Always on', 'Personal', Friends') or type
your own Group name
- **Comments**: Type any comments for the device
## Session Info
- **Status**: Show device status : On-line / Off-Line
- **First Session**: Date and time of the first connection
- **Last Offline**: Date and time of the last last time the device was offline
- **Last IP**: Last known IP used during the last connection
- **Static IP**: Check this box to identify devices that always use the
same IP
- **MAC**: MAC addres of the device. Not editable, unless creating a new dummy device.
- **Last IP**: IP addres of the device. Not editable, unless creating a new dummy device.
- **Name**: Friendly device name. Autodetected via various 🆎 Name discovery [plugins](https://github.com/jokob-sk/NetAlertX/blob/main/front/plugins/README.md).
- **Icon**: Partially autodetected. Select an existing or [add a custom icon](https://github.com/jokob-sk/NetAlertX/blob/main/docs/ICONS.md). You can also auto-apply the same icon on all devices of the same type.
- **Owner**: Device owner (The list is self-populated with existing owners and you can add custom values).
- **Type**: Select a device type from the dropdown list (`Smartphone`, `Tablet`,
`Laptop`, `TV`, `router`, etc.) or add a new device type. If you want the device to act as a **Network device** (and be able to be a network node in the Network view), select a type under Network Devices or add a new Network Device type in Settings. More information can be found in the [Network Setup docs](https://github.com/jokob-sk/NetAlertX/blob/main/docs/NETWORK_TREE.md).
- **Vendor**: The manufacturing vendor. Automatically updated by NetAlertX when empty or unknown, can be edited.
- **Group**: Select a group (`Always on`, `Personal`, `Friends`, etc.) or type
your own Group name.
- **Location**: Select the location, usually a room, where the device is located (`Kitchen`, `Attic`, `Living room`, etc.) or add a custom Location.
- **Comments**: Add any comments for the device, such as a serial number, or maintenance information.
## Events & Alerts config
- **Scan Cycle**: Select the scan cycle: 0, 1', 15'
- Some devices do not respond to all ARP packets, for this cases is better
to use a 15' cycle.
- **For Apple devices I recommend using 15' cycle**
- **Alert All Events**: Send a notification in each event (connection,
disconnection, IP Changed, ...)
- **Alert Down**: Send a notification when the device is down
- *(Userful with "always connected" devices: Camera, Alexa,...)*
- **Skip repeated notifications during**: Do not send more than one
notification to this device for X hours
- *(Useful to avoid notification saturation on devices that frequently
connects and disconnects)*
> [!NOTE]
>
> Please note the above usage of the fields are only suggestions. You can use most of these fields for other purposes, such as storing the network interface, company owning a device, or similar.
# Privacy & Random MAC's
<!--- --------------------------------------------------------------------- --->
## Dummy devices
The latest versions of some operating systems (IOS and Android) incorporate a
new & interesting functionality to improve privacy: **Random MACs**.
You can create dummy devices from the Devices listing screen. The **MAC** field and the **Last IP** field will then become editable.
This functionality allows you to **hide the true MAC** of the device and
**assign a random MAC** when we connect to WIFI networks.
![Create Dummy Device](/docs/img/DEVICE_MANAGEMENT/Devices_CreateDummyDevice.png)
![Save Dummy Device](/docs/img/DEVICE_MANAGEMENT/DeviceEdit_SaveDummyDevice.png)
This behavior is especially useful when connecting to WIFI's that we do not
know, but it **is totally useless when connecting to our own WIFI's** or known
networks.
You can couple this with the `ICMP` plugin which can be used to monitor the status of these devices, if they are actual devices reachable with the ping command.
**I recommend disabling this operation when connecting our devices to our own
WIFI's**, in this way, NetAlertX will be able to identify the device, and it
will not identify it as a new device every so often (every time IOS or Android
decides to change the MAC).
## Copying data from an existing device.
### IOS
![ios][ios]
- [Use private Wi-Fi addresses in iOS 14](https://support.apple.com/en-us/HT211227)
### Android
![Android][Android]
- [How to Disable MAC Randomization in Android 10](https://support.boingo.com/s/article/How-to-Disable-MAC-Randomization-in-Android-10-Android-Q)
- [How do I disable random Wi-Fi MAC address on Android 10](https://support.plume.com/hc/en-gb/articles/360052070714-How-do-I-disable-random-Wi-Fi-MAC-address-on-Android-10-)
### License
GPL 3.0
[Read more here](../LICENSE.txt)
### Contact
Always use the Issue tracker for the correct fork, for example:
[jokob-sk/NetAlertX](https://github.com/jokob-sk/NetAlertX/issues). Please also follow the guidelines on:
- [Pull Request guidelines](https://github.com/jokob-sk/NetAlertX/tree/main/docs#-pull-requests-prs)
- 🙏 [Feature request guidelines](https://github.com/jokob-sk/NetAlertX/tree/main/docs#-feature-requests)
- 🐛 [Issue guidelines](https://github.com/jokob-sk/NetAlertX/tree/main/docs#-submitting-an-issue-or-bug)
***Suggestions and comments are welcome***
To speed up device population you can also copy data from an existing device. This can be done from the **Tools** tab on the Device details.
<!--- --------------------------------------------------------------------- --->
[main]: ./img/1_devices.jpg "Main screen"
[screen1]: ./img/2_1_device_details.jpg "Screen 1"
[ios]: https://9to5mac.com/wp-content/uploads/sites/6/2020/08/how-to-use-private-wifi-mac-address-iphone-ipad.png?resize=2048,1009 "ios"
[Android]: ./img/android_random_mac.jpg "Android"

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# Sessions Section in Device View
The **Sessions Section** provides details about a device's connection history. This data is automatically detected and cannot be edited by the user.
![Session info](/docs/img/SESSION_INFO/DeviceDetails_SessionInfo.png)
---
## Key Fields
1. **Date and Time of First Connection**
- **Description:** Displays the first detected connection time for the device.
- **Editability:** Uneditable (auto-detected).
- **Source:** Automatically captured when the device is first added to the system.
2. **Date and Time of Last Connection**
- **Description:** Shows the most recent time the device was online.
- **Editability:** Uneditable (auto-detected).
- **Source:** Updated with every new connection event.
3. **Offline Devices with Missing or Conflicting Data**
- **Description:** Handles cases where a device is offline but has incomplete or conflicting session data (e.g., missing start times).
- **Handling:** The system flags these cases for review and attempts to infer missing details.
---
## How Sessions are Discovered and Calculated
### 1. Detecting New Devices
When a device is first detected in the network, the system logs it in the events table:
`INSERT INTO Events (eve_MAC, eve_IP, eve_DateTime, eve_EventType, eve_AdditionalInfo, eve_PendingAlertEmail) SELECT cur_MAC, cur_IP, '{startTime}', 'New Device', cur_Vendor, 1 FROM CurrentScan WHERE NOT EXISTS (SELECT 1 FROM Devices WHERE devMac = cur_MAC)`
- Devices scanned in the current cycle (**CurrentScan**) are checked against the **Devices** table.
- If a device is new:
- A **New Device** event is logged.
- The devices MAC, IP, vendor, and detection time are recorded.
### 2. Logging Connection Sessions
When a new connection is detected, the system creates a session record:
`INSERT INTO Sessions (ses_MAC, ses_IP, ses_EventTypeConnection, ses_DateTimeConnection, ses_EventTypeDisconnection, ses_DateTimeDisconnection, ses_StillConnected, ses_AdditionalInfo) SELECT cur_MAC, cur_IP, 'Connected', '{startTime}', NULL, NULL, 1, cur_Vendor FROM CurrentScan WHERE NOT EXISTS (SELECT 1 FROM Sessions WHERE ses_MAC = cur_MAC)`
- A new session is logged in the **Sessions** table if no prior session exists.
- Fields like `MAC`, `IP`, `Connection Type`, and `Connection Time` are populated.
- The `Still Connected` flag is set to `1` (active connection).
### 3. Handling Missing or Conflicting Data
- Devices with incomplete or conflicting session data (e.g., missing start times) are detected.
- The system flags these records and attempts corrections by inferring details from available data.
### 4. Updating Sessions
- When a device reconnects, its session is updated with a new connection timestamp.
- When a device disconnects:
- The **Disconnection Time** is recorded.
- The `Still Connected` flag is set to `0`.
The session information is then used to display the device presence under **Monitoring** -> **Presence**.
![Monitoring Device Presence](/docs/img/SESSION_INFO/Monitoring_Presence.png)

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