Block the Serial API on specific sites
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Policy overview

Key metadata and intent for this policy.

Category
Microsoft Edge
Supported on
Microsoft Edge version 86, Windows 7 or later

Supported OS tags: Windows7

Specifies URL patterns for sites that aren't allowed to request access to a serial port. If not configured, Microsoft Edge uses the value from the DefaultSerialGuardSetting policy (if set), or the user's settings. For unmatched sites, the following order applies: 1. SerialAskForUrls (if matched). 2. DefaultSerialGuardSetting (if set). 3. User's settings. URL patterns in this policy must not conflict with those in SerialAskForUrls. This policy takes precedence. For detailed information about valid URL patterns, see https://go.microsoft.com/fwlink/?linkid=2095322. Example value: https://www.contoso.com [*.]contoso.edu

Internal name
SerialBlockedForUrls
Policy ID
2706684a3d76
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ScopeElementTypeRegistry mappingConstraints & behaviorCopy
Block the Serial API on specific sites
ID SerialBlockedForUrlsDesc
list
Path
Software\Policies\Microsoft\Edge\SerialBlockedForUrls
Value name
1, 2, …
Type
REG_SZ
List: standard
Block the Serial API on specific sites
Both · Type list
Registry mapping
Path
Software\Policies\Microsoft\Edge\SerialBlockedForUrls
Value name
1, 2, …
Type
REG_SZ
Details
List: standard