FRITZ!Box 7581 Service - Knowledge Base

FRITZ!Box 7581 Service

Message "security certificate is not trusted"

When you attempt to access the FRITZ!Box over the internet, your web browser displays one of the following messages:

  • "There is a problem with this website's security certificate"
  • "Your connection is not private"
  • "Your connection is not secure"
  • "Cannot verify server identity"


  • The web browser describes the encrypted HTTPS connection to the FRITZ!Box as not secure or not private because your FRITZ!Box's individual security certificate is not known to third party organizations that validate certificates.

Confirming the security warning

You must confirm the web browser's security warning to access the FRITZ!Box. This does not pose a security risk!

  • Google Chrome

    1. Click on "Advanced".
    2. Click "Proceed to [...] (unsafe)" or "Proceed to (usafe)"
  • Mozilla Firefox

    1. Click "Advanced" and then "Add Exception...".
      • The window "Add Security Exception" opens.
    2. Click "Confirm Security Exception" in the "Add Security Exception" window.
  • Microsoft Edge

    • Click "Continue to this webpage (not recommended)".
  • Microsoft Internet Explorer

    • Click "Continue to this website (not recommended)."
  • Apple Safari

    1. Click "Show Certificate".
    2. Enable the option "Always trust [...] when connecting to [...]" and click "Continue".
    3. Enter the password of your macOS user account and click "Update settings".

Now you can access the FRITZ!Box user interface over the internet.

Note:If you download the FRITZ!Box certificate and import it to your computer or, if you have a certificate for an internet domain, you can import your own certificate to the FRITZ!Box if you do not want for the message to be displayed when accessing the FRITZ!Box in the future.