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28 lines
962 B
Markdown
28 lines
962 B
Markdown
---
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layout: article
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title: uMatrix and NoScript access rules
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categories: [miscellaneous]
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featured: false
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popular: false
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tags: [umatrix, firefox]
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---
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By default, the uMatrix and NoScript extensions may block the Bitwarden Firefox extension from accessing the Bitwarden API servers. Without adding proper rules to whitelist the Bitwarden API servers, logging in and other API operations will fail.
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## uMatrix
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The following [uMatrix rule](https://github.com/gorhill/uMatrix/wiki/Rules-syntax) is required:
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```
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dc8ef5f6-eb0d-4c87-9e9f-0cf803f619e8.moz-extension-scheme bitwarden.com xhr allow
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```
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{% note %}
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The UUID included in the above rule (`dc8ef5f6-eb0d-4c87-9e9f-0cf803f619e8`) will be different for your installation.
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Use the `about:debugging#/runtime/this-firefox` page (navigate from Firefox's address bar) to locate your Bitwarden extension UUID.
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{% endnote %}
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## NoScript
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Whitelisting the following domain in NoScript is required: `bitwarden.com`
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