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Merge pull request #312471 from limwainstein/capture-filters
Capture filters
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articles/defender-for-iot/organizations/TOC.yml

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displayName: shell, login, cli, command-line, commands, users, user
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href: references-work-with-defender-for-iot-cli-commands.md
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- name: OT sensor CLI reference
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displayName: shell, login, cli, command-line, commands, users, user
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displayName: shell, login, cli, command-line, commands, users, user, capture filter, capture filters
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href: cli-ot-sensor.md
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- name: API reference
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items:

articles/defender-for-iot/organizations/cli-ot-sensor.md

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---
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title: CLI command reference from OT network sensors- Microsoft Defender for IoT
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description: Learn about the CLI commands available from Microsoft Defender for IoT OT network sensors.
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description: Learn about the CLI commands available from Microsoft Defender for IoT OT network sensors, including capture filters.
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ms.date: 12/19/2023
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ms.topic: reference
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This article lists the CLI commands available from Defender for IoT OT network sensors.
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> [!TIP]
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> To reduce alert fatigue and focus your network monitoring on high priority traffic, you may decide to filter the traffic that streams into Defender for IoT at the source. For more information, see [Traffic capture filters](#traffic-capture-filters).
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[!INCLUDE [caution do not use manual configurations](includes/caution-manual-configurations.md)]
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## Prerequisites

articles/defender-for-iot/organizations/how-to-control-what-traffic-is-monitored.md

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1. Select **Save** to save your changes.
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## Configure traffic filters (advanced)
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## Configure traffic capture filters (advanced)
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To reduce alert fatigue and focus your network monitoring on high priority traffic, you may decide to filter the traffic that streams into Defender for IoT at the source. Capture filters are configured via the OT sensor CLI, and allow you to block high-bandwidth traffic at the hardware layer, optimizing both appliance performance and resource usage.
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For more information, see:
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- [Defender for IoT CLI users and access](references-work-with-defender-for-iot-cli-commands.md)
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For more information, see [Traffic capture filters](cli-ot-sensor.md#traffic-capture-filters).
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## Next steps
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