firefox os x your connection is not secure

#Firefox os x your connection is not secure how to#
#Firefox os x your connection is not secure mac os x#
#Firefox os x your connection is not secure mac os#
#Firefox os x your connection is not secure serial number#
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#Firefox os x your connection is not secure upgrade#

Most users may have noticed the new Colorways palettes that users can select during first start after the upgrade or installation, or in the themes manager.

#Firefox os x your connection is not secure mac os#

The main culprit seems to be full screen video playback on Mac OS X.įirefox 94 Stable introduced several new features, at least for some users.

#Firefox os x your connection is not secure mac os x#

The update will be released later today by Mozilla it will resolve the issue on Mac OS X 10.12 as well once installed.

#Firefox os x your connection is not secure serial number#

Certificate contains the same serial number as another certificateĮrror code: SEC_ERROR_REUSED_ISSUER_AND_SERIALįor a list and brief description of other secure connection errors, see NSS and SSL Error Codes in Firefox documentation.At least one other site, Twitch, was confirmed to cause the issue as well under certain circumstances.Ī quick workaround was to set the preference full-screen-api.macos-native-full-screen to TRUE on about:config.

#Firefox os x your connection is not secure how to#

These articles describe how to troubleshoot some specific secure connection errors:Įrror code: MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE For more information, see How to troubleshoot time related errors on secure websites. Make sure your computer is set to the correct date, time and time zone. An incorrect system date can cause Firefox to detect that the website's security certificate is expired or invalid. See this article's section on Antivirus products for help with specific security products that can produce these errors, such as Avast, AVG and ESET software.Īlternatively, you can uninstall third-party security software and use Windows Defender, the built-in antivirus.įirefox uses certificates on secure websites to ensure that your information is being sent to the intended recipient and can't be read by eavesdroppers. If you see secure connection errors on multiple secure websites, updating your security product or modifying its settings may resolve the issue. This can produce connection errors or warnings on secure websites. Many security products use a feature that intercepts secure connections by default. Other websites may require HTTP Strict Transport Security (HSTS) and will not allow access with an insecure connection. Note: The option to enable TLS 1.0 and 1.1 has been removed from the error page in Firefox version 97.

For more information, see this Mozilla blog post. Websites that don't support TLS version 1.2 or higher will display a Secure Connection Failed error page with Error code: SSL_ERROR_UNSUPPORTED_VERSION and a message that says, This website might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox. Since Firefox version 78, the minimum TLS version allowed by default is TLS 1.2. Contact the owners of the website and ask them to update their TLS version to a version that is still current and still secure. Firefox protects you by preventing navigation to such sites if there is a problem in securely establishing a connection. Some websites try using outdated (no longer secure) Transport Layer Security ( TLS) mechanisms in an attempt to secure your connection. There is no option to add a security exception to visit the website. The error page will include a description of the potential security threat and an Advanced… button to view the error code and other technical details.

Please contact the website owners to inform them of this problem.ĭid Not Connect: Potential Security IssueĬertain secure connection failures will result in a Did Not Connect: Potential Security Issue error page.

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

The error page will also include the following information: There is no option to add a security exception to bypass this type of error. If Firefox cannot establish a secure connection, it will display a Secure Connection Failed or Did Not Connect: Potential Security Issue error page.Ī Secure Connection Failed error page will include a description of the error and a Try Again button. When a website that requires a secure ( HTTPS) connection tries to secure communication with your computer, Firefox cross-checks this attempt to make sure that the website certificate and the connection method are actually secure.

1.2 Did Not Connect: Potential Security Issue.

1 Secure connection cannot be established.