--- description: Cloudflare One Client checks resources and guides for Zero Trust. title: Cloudflare One Client checks image: https://developers.cloudflare.com/og-docs.png --- [Skip to content](#main-content) > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/cloudflare-one/llms.txt > Use this file to discover all available pages before exploring further. # Cloudflare One Client checks Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/) These device posture checks are performed by the [Cloudflare One Client](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/team-and-resources/devices/cloudflare-one-client/). To use this feature, you must [deploy the Cloudflare One Client](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/team-and-resources/devices/cloudflare-one-client/deployment/) to your devices and enable the desired posture checks. ## Supported Client modes * Traffic and DNS mode * Traffic only mode * Posture only mode ## Supported operating systems | Device posture check | macOS | Windows | Linux | iOS | Android/ChromeOS | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----- | ------- | ----- | --- | ---------------- | | [Antivirus](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/antivirus/) | ❌ | ✅ | ❌ | ❌ | ❌ | | [Application check](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/application-check/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Carbon Black](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/carbon-black/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Client certificate](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/client-certificate/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Device serial numbers](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/corp-device/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Device UUID](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/device-uuid/) | ❌ | ❌ | ❌ | ✅ | ✅ | | [Disk encryption](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/disk-encryption/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Domain joined](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/domain-joined/) | ❌ | ✅ | ❌ | ❌ | ❌ | | [File check](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/file-check/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Firewall](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/firewall/) | ✅ | ✅ | ❌ | ❌ | ❌ | | [OS version](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/os-version/) | ✅ | ✅ | ✅ | ✅ | ✅ | | [Require Gateway](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/require-gateway/) | ✅ | ✅ | ✅ | ✅ | ✅ | | [Require WARP](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/require-warp/) | ✅ | ✅ | ✅ | ✅ | ✅ | | [SentinelOne](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/sentinel-one/) | ✅ | ✅ | ✅ | ❌ | ❌ | | [Tanium (legacy)](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/tanium/) | ✅ | ✅ | ✅ | ❌ | ❌ | Was this helpful? YesNo ## On this page [![](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/) ```json {"@context":"https://schema.org","@type":"WebPage","@id":"https://developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/#page","headline":"Cloudflare One Client checks · Cloudflare One docs","description":"Cloudflare One Client checks resources and guides for Zero Trust.","url":"https://developers.cloudflare.com/cloudflare-one/reusable-components/posture-checks/client-checks/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","dateModified":"2026-08-24","publisher":{"@type":"Organization","name":"Cloudflare","description":"One platform for your apps, agents, and workforce. 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