Advanced EPDR/EDR Web Access Control in protection v8.00.24.x fails to block certain sites

A hotfix is available to resolve this issue.

To apply a hotfix on the affected endpoint:

1. Download and save the hotfix file to the endpoint: hf-wgua4493-tcpoffset-additionaldnsqueries.exe
2. Double-click the downloaded file.
3. The hotfix installation does not require you to restart the computer. However, under certain circumstances, you might be prompted to restart for the hotfix to be fully applied. If you cannot restart the computer immediately, select No when prompted. This postpones the application of the hotfix until the next system restart.
   Note: To download an unattended or silent version of the hotfix, click here. The hotfix is applied after the next system restart.

Release Notes

Next, find all the changes the hotfix includes.

Affected versions

Protections from  v8.00.24.0000 to v8.00.24.0001.
To see your Advanced EPDR/EDR product version, see this article.

File Details
The hotfix changes the following configuration:

• Endpoint internal configuration for our driver NNSPRV.sys.
• Chromium browsers MS Edge and Google Chrome

Verify Hotfix Application

To confirm the correct application of the hotfix, verify the values of these registry keys: