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Update faq related to chrome 142 #939

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2 changes: 1 addition & 1 deletion .github/workflows/main.yml
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Expand Up @@ -8,7 +8,7 @@ on:
push:
branches:
- master
# - preview
- preview

# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
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23 changes: 13 additions & 10 deletions _articles/faq/chromium-142-local-network-access-issue.md
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Expand Up @@ -15,11 +15,11 @@ last_modified: 2025-11-04 17:21:42 +0800
> [!IMPORTANT]
> This is a newly developing issue, and as such the information in this article may change over time.

## Error message - Access to fetch at `https://127.0.0.1:18623` or `http://127.0.0.1:18622` has been blocked by CORS policy: Permission was denied for this request to access the unknown address space.
## Error message - CORS Errors caused by local network access permissions when using Chromium 142 and later

### Symptom

When using Chromium-based browsers version 142 or later (released on October 28th, 2025), including Chrome, Edge, Brave, and Opera, the Dynamsoft Web TWAIN Service may fail to function properly:
When using **Chromium-based browsers version 142 or later** (released on October 28th, 2025), including Chrome, Edge, Brave, and Opera, the Dynamsoft Web TWAIN Service may fail to function properly:

- Phenomenon 1: the browser prompts users to download the service installer even though it is already installed.

Expand All @@ -41,22 +41,29 @@ This affects the Dynamic Web TWAIN Service which relies on local services for co

### Resolution

***Step 1: (For All End Users)***
***1. To Manually Correct This in Chrome***

- Navigate to your Dynamic Web TWAIN web interface

- Click the lock icon (or settings icon) next to your site URL in the browser’s address bar.

- Ensure that **Local Network Access** is enabled.

![local-network.png](/assets/imgs/local-network.png)

> [!NOTE]
> If you're unable to restore functionality after enabling 'Local Network Access,' please contact [Dynamsoft](https://www.dynamsoft.com/contact/).

***Step 2: (For Developers Only)***
***2. (For Administrators) To Apply This Setting Across an Enterprise***

Enterprise administrators can deploy a Chrome and/or Edge policy to set the "Local Network Access" setting to "Allow" for your website.

Please Refer to:
* [Chrome Enterprise Policy List & Management Documentation](https://chromeenterprise.google/policies/#LocalNetworkAccessAllowedForUrls)
* [Microsoft Edge Browser Policy Documentation](https://learn.microsoft.com/en-us/deployedge/microsoft-edge-browser-policies/localnetworkaccessallowedforurls)

**Option 1:**


***3. (For Developers) To Manually Check the Permission on Local Network Access***

You can check the permission programmatically:

Expand All @@ -74,10 +81,6 @@ If the permission is not granted, prompt users to manually enable it (Chrome set
<iframe src="..." allow="local-network-access *"></iframe>
```

**Option 2: (For Enterprise Users)**

Enterprise administrators can allow specified URLs to access local resources through Chrome’s Enterprise Policy configuration.
Refer to: [Chrome Enterprise Policy List & Management | Documentation](https://chromeenterprise.google/policies/#LocalNetworkAccessAllowedForUrls)

### Planning

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