---
title: Probe Accounts
description: "Mac and Linux use a Prelude created user account to run the probe: Mac: _preludesecurity Linux: preludesecurity Proxy: Ensure the above account is allowed to authenticate through your proxy. In some c"
---

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# Probe Accounts

### MacOS and Linux

Mac and Linux use a Prelude created user account to run the probe:

Mac: `_preludesecurity`

Linux: `preludesecurity`

**Proxy**: Ensure the above account is allowed to authenticate through your proxy.

In some cases you may need to define http\_proxy info in the /opt/preludesecurity/service-environment file:

![](https://support.preludesecurity.com/hubfs/Knowledge%20Base%20Import/66c6129b8aab00e8da7221b3e89c774029e835c529a641b9c91eea4647dc61e9-image.png)

### Windows

Windows hosts run under a restricted, built in user account "[Local Service](https://learn.microsoft.com/en-us/windows/win32/services/localservice-account)".

**Proxy**: Ensure the Local Service account is able to authenticate through your proxy. If needed, you can define a different account for the Prelude Probe to run under by modifying the properties of the "Prelude Probe Service".

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