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29 lines
1.1 KiB
Markdown
29 lines
1.1 KiB
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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description: "If you use uMatrix or NoScript extensions on Firefox, use the blocker access rule to whitelist Bitwarden servers, so your password manager works effectively on 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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{% callout info %}
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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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{% endcallout %}
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## NoScript
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Whitelisting the following domain in NoScript is required: `bitwarden.com`
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