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Disable SSL scanning in ESET Windows 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

Solution

In some cases, the root certificate is not properly imported during the installation of ESET products. This issue is often resolved by disabling and then re-enabling SSL scanning. To do so, please follow the steps below:

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

  2. Press the F5 key to access Advanced setup.
     
  3. Click Web and email, expand SSL/TLS, click the slider bar next to Enable SSL/TLS protocol filtering to disable and then click OK.

    Figure 1-1

  4. Press the F5 kety to access Advanced setup.
     
  5. Click Web and email, expand SSL/TLS, click the slider bar next to Enable SSL/TLS protocol filtering to re-enable and then 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 follow the steps in the next section to temporarily disable SSL protocol scanning to continue browsing without interruption.

Disable SSL protocol scanning:

Potential security risk

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

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

  2. Press the F5 key to access Advanced setup.
     
  3. Click Web and email, expand SSL/TLS, click the slider bar next to Enable SSL/TLS protocol filtering and then click OK.

    Figure 2-1

You should now be able to access web pages that use SSL certificates without interference. If the issue persists, follow the steps in the next section to temporarily disable the addition of root certificate to known browsers.

Temporarily disable root certificate

  1. Open the main program window of your Windows ESET product.
     
  2. Press the F5 key to enter Advanced setup.
     
  3. Click Web and email, expand SSL/TLS, click the slider bar next to Add the root certificate to known browsers and then click OK.

    Figure 3-1
    Click the image to view larger in new window

  4. Open your browser and reload the page you were attempting to access. 
     
  5. Open the main program window of your Windows ESET product.

  6. Press the F5 key to access Advanced setup.
     
  7. Click Web and email, expand SSL/TLS, scroll down to the root certificate section, click the slider bar next to Add the root certificate to known browsers and then click OK.

    Figure 3-2

  8. Restart your computer.

If you are still unable to resolve your issue, please email ESET Technical Support.



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