Error during an encrypted connection scan in a Kaspersky application


Error during an encrypted connection scan in a Kaspersky application

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Latest update: June 01, 2021 ID: 13720


Kaspersky applications use the Kaspersky Protection extension and their own SSL certificate to scan encrypted connections. The application decrypts encrypted traffic using this certificate. When decrypting traffic from a website or in other applications, such as Microsoft Outlook, an error may occur that prevents the connection from establishing.

Error during an encrypted connection scan in a Kaspersky application


This error can occur for the following reasons: 

  • Website peculiarities 
  • The usage of another filtering application
  • Kaspersky application errors 
  • Other reasons 


If an error occurs when decrypting traffic from a website opened in your browser, the application prompts you to add the website to the list of exclusions from encrypted scanning.

You can do the following:

  • Ignore the notification. In this case, the Kaspesky application will terminate the secure connection to the website. The website page will open without decrypting the protected traffic and may be displayed incorrectly. 
  • Add the website to the exclusions list. The application will check the website URL against the anti-virus database using the Kaspersky Protection extension. If the website is safe, it will be opened and added to the exclusions without scanning. The application will not scan secure connections when opening this website and the error message will not appear. 

Add to the exclusions only websites that you trust and visit frequently. If you are not sure that the website is safe, scan this website with OpenTip before adding it to the exclusions.

If you added the website to the exclusions list but the Kaspersky Protection extension is not installed in your browser, the following protection components will not work on that website: Web Anti-Virus, Anti-Banner, Safe Money, Private Browsing, URL Advisor, and Parental Control.
We recommend adding to exclusions only the websites that you trust.

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