diff --git a/_articles/faq/chromium-142-local-network-access-issue.md b/_articles/faq/chromium-142-local-network-access-issue.md index 97c832a0..016f4451 100644 --- a/_articles/faq/chromium-142-local-network-access-issue.md +++ b/_articles/faq/chromium-142-local-network-access-issue.md @@ -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. @@ -41,12 +41,11 @@ 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) @@ -54,9 +53,15 @@ This affects the Dynamic Web TWAIN Service which relies on local services for co > [!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. -**Option 1:** +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) + +***3. (For Developers) To Manually Check the Permission on Local Network Access*** You can check the permission programmatically: @@ -74,10 +79,6 @@ If the permission is not granted, prompt users to manually enable it (Chrome set ``` -**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 diff --git a/_articles/faq/index.md b/_articles/faq/index.md index 2bd3bb36..51de89f6 100644 --- a/_articles/faq/index.md +++ b/_articles/faq/index.md @@ -206,7 +206,7 @@ description: Dynamic Web TWAIN SDK Documentation FAQ 30. [How to debug on Dynamic Web TWAIN online demo?](/_articles/faq/debug-on-online-demo.md) 31. [Dynamic Web TWAIN prompts the .deb installer for Windows](/_articles/faq/incorrect-installer-for-windowsARM64.md) 32. [Why am I unable to load the TIFF file into Dynamic Web TWAIN?](/_articles/faq/unable-to-load-4-bit-tiff.md) -33. [Error message - Permission was denied for this request to access the unknown address space](/_articles/faq/chromium-142-local-network-access-issue.md) +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) ## Licensing and Purchase diff --git a/assets/imgs/DWT_installer.png b/assets/imgs/DWT_installer.png index 7a16f2b2..42d2b02b 100644 Binary files a/assets/imgs/DWT_installer.png and b/assets/imgs/DWT_installer.png differ diff --git a/assets/imgs/local-network.png b/assets/imgs/local-network.png index 1cdf6054..b0bc7840 100644 Binary files a/assets/imgs/local-network.png and b/assets/imgs/local-network.png differ