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DNS over HTTPS does not work when applied through GPO

felix.rodriguez_ozcoz
felix.rodriguez_ozcoz
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Hello team,

We've deployed a GPO to change Firefox setup to use our DNS over HTTPS with a custom Cloudflare URL.

The registry settings are: HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "https://modifiedentry.cloudflare-gateway.com/dns-query" HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1

When looking into Firefox policies it seems to be applied correctly: about:policies Active Policy Name Policy Value DNSOverHTTPS Locked true ProviderURL "https://modifiedentry.cloudflare-gateway.com/dns-query"

This doesn't work, but manual setup from Firefox Settings using the same URL does.

Any clue why this could be failing?

Thanks in advance

Hello team, We've deployed a GPO to change Firefox setup to use our DNS over HTTPS with a custom Cloudflare URL. The registry settings are: HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Enabled = 0x1 HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "https://modifiedentry.cloudflare-gateway.com/dns-query" HKLM\Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1 When looking into Firefox policies it seems to be applied correctly: about:policies Active Policy Name Policy Value DNSOverHTTPS Locked true ProviderURL "https://modifiedentry.cloudflare-gateway.com/dns-query" This doesn't work, but manual setup from Firefox Settings using the same URL does. Any clue why this could be failing? Thanks in advance

Chosen solution

Ok... Windows team made a typo in the GPO. Enabled had a space in the end. Solved.

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felix.rodriguez_ozcoz
felix.rodriguez_ozcoz Question owner
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Chosen Solution

Ok... Windows team made a typo in the GPO. Enabled had a space in the end. Solved.