Access to websites is blocked, third party applications malfunction when using TLS and SSL on devices with Kaspersky Endpoint Security 11 for Windows installed
Latest update: May 11, 2023
ID: 15215
This article concerns:
- Kaspersky Endpoint Security 12.1.0 for Windows (version 12.1.0.506)
- Kaspersky Endpoint Security 12.0.0 for Windows (version 12.0.0.465)
- Kaspersky Endpoint Security 11.11.0 for Windows (version 11.11.0.452)
- Kaspersky Endpoint Security 11.10.0 for Windows (version 11.10.0.399)
- Kaspersky Endpoint Security 11.9.0 for Windows (version 11.9.0.351)
- Kaspersky Endpoint Security 11.8.0 for Windows (version 11.8.0.384)
- Kaspersky Endpoint Security 11.7.0 for Windows (version 11.7.0.669)
- Kaspersky Endpoint Security 11.6.0 for Windows (version 11.6.0.394)
- Kaspersky Endpoint Security 11.5.0 for Windows (version 11.5.0.590)
- Kaspersky Endpoint Security 11.4.0 for Windows (version 11.4.0.233)
- Kaspersky Endpoint Security 11.3.0 for Windows (version 11.3.0.773)
- Kaspersky Endpoint Security 11.2.0 for Windows (version 11.2.0.2254)
Issue
Third-party applications that use TLS and SSL may work incorrectly if Kaspersky Endpoint Security for Windows scans encrypted connections.
Solution
Add an application to Trusted or disable scanning of HTTPS traffic. See the instructions below.
If you disable scanning of HTTPS traffic, it can reduce the protection of your computer.
How to add an application to Trusted
- Add the application to Trusted. For the instructions, see Online Help for the following versions of Kaspersky Endpoint Security:
- When adding the application to trusted, select the Do not scan encrypted traffic or Do not scan network traffic checkbox and specify the parameters of the secure connection.
The application will work correctly.
How to disable scanning of HTTPS traffic
For Kaspersky Endpoint Security Cloud 11.5.0 and later
- In the main window of Kaspersky Endpoint Security, click
. - Select the following section:
- In 11.7.0 and later, go to General settings → Network settings.
- In 11.6.0 and 11.5.0, go to the Network settings section.
- Go to the Encrypted connection scan section and select the Do not scan encrypted connections checkbox.
For Kaspersky Endpoint Security version 11.4.0 and earlier
- In the main window of Kaspersky Endpoint Security, click .
- Go to General Settings → Network settings.
- Clear the Scan encrypted connections checkbox.
The application will work correctly.
What to do if the issue persists
If the issue persists, submit a request to Kaspersky technical support via Kaspersky CompanyAccount. Please include a detailed description of the issue. Before contacting the support, see the guide on creating a request in the Knowledge Base.
