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Any secure site is viewed as an untrusted connection only in Firefox browser, but IE and Chrome are fine. I have managed to make firefox skip the page however, if I don't run it using Selenium (the Python binding), it will show the 'Untrusted' page again. So, when I go to the website, FireFox will bring up the 'This Connection is Untrusted page'. This article on your particular error may provide guidance on why you're seeing this message. I am getting the 'This Connection Is Untrusted' message in Firefox for all security website using https even when I go to the Mozilla support page. It requires https and it uses an invalid cert., which belongs to the production server.
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However, do not install the issuer's certificate if you cannot verify their identity as a trusted CA. If you wish to continue, you'll have to install the issuer's certificate as a trusted CA in your browser. The certificate may be self-signed, which means the site issued their own certificate without a trusted CA. You'll need to view the certificate and see who issued the certificate (the CA) and whether that is a real CA. Note: If you want to use Nextcloud Talk you should use Mozilla Firefox 52+ or Google. Your browser is preconfigured with a set of trusted CAs, but for this particular site, the issuer is not part of that set of trusted authorities.įurthermore, since the site is using HSTS (HTTP Strict Transport Security), an exception cannot be made for this certificate. flexible open source file synchronization and sharing solution. There are a number of things necessary for a valid certificate, but one factor is the certificate must be issued by a trusted certificate authority, or CA. my virus detection program says this forum is an untrusted: uses an invalid security certificate. In order to communicate using SSL with a site, the site must provide a valid certificate.
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Since Firefox 64-bit version is very new, there is no support for it yet in Kaspersky program. You're receiving this error message because the certificate for the site isn't valid. After using Firefox for years, suddenly I repeatedly get the message that 'this connection is untrusted' for many sites, even including In the details it says: 'The certificate is not trusted because no issuer chain was provided.' I have tried everything I read in the Mozilla help forums, but nothing has worked. This untrusted connection issue might appear if you are using a 64-bit version of Mozilla Firefox along with Kaspersky security suite. The server might not be sending the appropriate intermediate certificates.Īn additional root certificate may need to be imported.Ĭan someone please help me to solve this issue :'( The certificate is not trusted because the issuer certificate is unknown. As a result, it is not possible to add an exception for this certificate. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue. However, this site's identity can't be verified. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. You have asked Firefox to connect securely to but we can't confirm that your connection is secure.