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Set http 401 as "ok"

Modified on 2025-06-10 21:22:11 +0200

Hello everybody,

we want to check, if a html file is only accessible in a authentication secured space. So we want to create a sensor, which reply a 401 as "OK" status.

Is this possible?

Thanks Peter

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Hello there Peter,
thank you for your KB-Post.

While this can't be achieve with the built-in sensor, it can be achieved with the custom sensors presented here:

Can I check for specific HTTP Response codes with PRTG?

If you stick to the "BEST Answer", you will need to create a modified copy of the lookup that doesn't alert on code 401:

Value interpretation (aka Lookups)

The lookup to be modified/used for reference is prtg.standardlookups.http.statuscode.ovl.

Best Regards,
Luciano Lingnau [Paessler Support]

Jul, 2017 - Permalink

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Set http 401 as "ok"

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.