Skip to content

Commit 2b545c7

Browse files
lyzhang0113Copilot
andauthored
update: chrome 142 faq (#938)
* update: chrome 142 faq * Apply suggestions from code review Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
1 parent 1e4c45b commit 2b545c7

File tree

4 files changed

+12
-11
lines changed

4 files changed

+12
-11
lines changed

_articles/faq/chromium-142-local-network-access-issue.md

Lines changed: 11 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -15,11 +15,11 @@ last_modified: 2025-11-04 17:21:42 +0800
1515
> [!IMPORTANT]
1616
> This is a newly developing issue, and as such the information in this article may change over time.
1717
18-
## 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.
18+
## Error message - CORS Errors caused by local network access permissions when using Chromium 142 and later
1919

2020
### Symptom
2121

22-
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:
22+
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:
2323

2424
- Phenomenon 1: the browser prompts users to download the service installer even though it is already installed.
2525

@@ -41,22 +41,27 @@ This affects the Dynamic Web TWAIN Service which relies on local services for co
4141

4242
### Resolution
4343

44-
***Step 1: (For All End Users)***
44+
***1. To Manually Correct This in Chrome***
4545

4646
- Navigate to your Dynamic Web TWAIN web interface
4747

4848
- Click the lock icon (or settings icon) next to your site URL in the browser’s address bar.
49-
5049
- Ensure that **Local Network Access** is enabled.
5150

5251
![local-network.png](/assets/imgs/local-network.png)
5352

5453
> [!NOTE]
5554
> If you're unable to restore functionality after enabling 'Local Network Access,' please contact [Dynamsoft](https://www.dynamsoft.com/contact/).
5655
57-
***Step 2: (For Developers Only)***
56+
***2. (For Administrators) To Apply This Setting Across an Enterprise***
57+
58+
Enterprise administrators can deploy a Chrome and/or Edge policy to set the "Local Network Access" setting to "Allow" for your website.
5859

59-
**Option 1:**
60+
Please refer to:
61+
* [Chrome Enterprise Policy List & Management | Documentation](https://chromeenterprise.google/policies/#LocalNetworkAccessAllowedForUrls)
62+
* [Microsoft Edge Browser Policy Documentation](https://learn.microsoft.com/en-us/deployedge/microsoft-edge-browser-policies/localnetworkaccessallowedforurls)
63+
64+
***3. (For Developers) To Manually Check the Permission on Local Network Access***
6065

6166
You can check the permission programmatically:
6267

@@ -74,10 +79,6 @@ If the permission is not granted, prompt users to manually enable it (Chrome set
7479
<iframe src="..." allow="local-network-access *"></iframe>
7580
```
7681

77-
**Option 2: (For Enterprise Users)**
78-
79-
Enterprise administrators can allow specified URLs to access local resources through Chrome’s Enterprise Policy configuration.
80-
Refer to: [Chrome Enterprise Policy List & Management | Documentation](https://chromeenterprise.google/policies/#LocalNetworkAccessAllowedForUrls)
8182

8283
### Planning
8384

_articles/faq/index.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -206,7 +206,7 @@ description: Dynamic Web TWAIN SDK Documentation FAQ
206206
30. [How to debug on Dynamic Web TWAIN online demo?](/_articles/faq/debug-on-online-demo.md)
207207
31. [Dynamic Web TWAIN prompts the .deb installer for Windows](/_articles/faq/incorrect-installer-for-windowsARM64.md)
208208
32. [Why am I unable to load the TIFF file into Dynamic Web TWAIN?](/_articles/faq/unable-to-load-4-bit-tiff.md)
209-
33. [Error message - Permission was denied for this request to access the unknown address space](/_articles/faq/chromium-142-local-network-access-issue.md)
209+
33. [Error message - CORS Errors caused by local network access permissions when using Chromium 142 and later](/_articles/faq/chromium-142-local-network-access-issue.md)
210210

211211
## Licensing and Purchase
212212

assets/imgs/DWT_installer.png

5.23 KB
Loading

assets/imgs/local-network.png

-35.4 KB
Loading

0 commit comments

Comments
 (0)