[KB3126] Disable SSL/TLS filtering in ESET Windows home products

Issue

  • HTTPS websites fail to load, or you receive the error message "Connection is untrusted" when using your web browser with ESET products
  • Websites with SSL Certificates are not accessible
  • You receive the error message: "sec_error_reused_issuer_and_serial"
  • Root certificate not imported correctly
  • Disable and re-enable SSL/TLS
  • Temporarily disable SSL/TLS

Solution

Disable and re-enable SSL/TLS

In some cases, the root certificate is not properly imported during the ESET security products installation. This issue is often resolved by disabling and then re-enabling SSL protocol filtering.

  1. Open the main program window of your ESET Windows home product.

  2. Press the F5 key to open Advanced setup.

  3. Click Protections, expand SSL/TLS, click the toggle next to Enable SSL/TLS to disable it and click OK.

    Figure 1-1
  4. Press the F5 key to access Advanced setup.

  5. Click Protections, expand SSL/TLS, click the toggle next to Enable SSL/TLS to re-enable it and click OK.

    Figure 1-2
  6. Restart your computer.

You should now be able to access web pages that use SSL certificates without interference. If the issue persists, you can temporarily disable SSL protocol filtering to continue browsing without interruption.


Temporarily disable SSL/TLS

Potential security risk

Only use this procedure if instructed by ESET Technical Support.

Disabling SSL scanning will remove a layer of security provided by ESET Windows home products and could expose your system to security risks.

  1. Open the main program window of your ESET Windows home product.

  2. Press the F5 key to open Advanced setup.

  3. Click Protections, expand SSL/TLS, click the toggle next to Enable SSL/TLS to disable it and click OK.

    Figure 2-1

You should now be able to access web pages that use SSL/TLS certificates without interference. Do not forget to re-enable the SSL/TLS filtering as soon as possible.

Need further assistance? Contact ESET Technical Support.