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# 9 Discovery

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#### Overview

In the *Monitoring → Discovery* section results of [network
discovery](/manual/discovery/network_discovery) are shown. Discovered
devices are sorted by the discovery rule.

With nothing selected in the filter, all enabled discovery rules are
displayed. To select a specific discovery rule for display, start typing
its name in the filter. All matching enabled discovery rules will be
listed for selection. More than one discovery rule can be selected.

![](../../../../../assets/en/manual/web_interface/discovery_status0.png){width="600"}

Note that in Zabbix 4.0.0-4.0.6 there is a dropdown instead of the
filter for discovery rule selecting.

If a device is already monitored, the host name will be listed in the
*Monitored host* column, and the duration of the device being discovered
or lost after previous discovery is shown in the *Uptime/Downtime*
column.

After that follow the columns showing the state of individual services
for each discovered device (red cells show services that are down).
Service uptime or downtime is included within the cell.

::: noteimportant
Only those services that have been found on at
least one device will have a column showing their state.
:::

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##### Buttons

Buttons to the right offer the following options:

|   |   |
|---|---|
|![](../../../../../assets/en/manual/web_interface/button_fullscreen.png)|Display page in fullscreen mode.|
|![](../../../../../assets/en/manual/web_interface/button_kiosk.png)|Display page in kiosk mode. In this mode only page content displayed.<br>The kiosk mode button appears when the fullscreen mode is activated.<br>To exit kiosk mode, move the mouse cursor until the ![](../../../../../assets/en/manual/web_interface/button_kiosk_leave.png) exit button appears and click on it. Note that you will be taken back to normal mode (not fullscreen mode).|

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