If you are not familiar with PortSwigger CA, then this could be an attack, and there is nothing you can do to access the site. If you are on a corporate network, you can contact your IT department. If that doesn’t work, you can remove and reinstall the antivirus software. If your antivirus software includes a feature that scans encrypted connections (often called “web scanning” or “https scanning”), you can disable that feature. You can’t add an exception to visit this site. Has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. This issue is caused by PortSwigger CA, which is either software on your computer or your network. But when I click Add Exception it will add it but still give me the error.Is most likely a safe site, but a secure connection could not be established. And on period of validity would have an expiration date and for Google that would be May 10th 2016, and Yahoo would be October 30th 2017 which I have never seen Firefox say that the period of validity would last for an entire year like that so I don't know if there is a glitch going on with something making it say that. And when I open the Add Security Exception window and type in any site that is impacted on this the issuer is Kaspersky. I don't know what Windows has to do with anything but a few minutes later I got a message from Windows saying Kaspersky was turned off and I opened Kaspersky and it said my license expired when I still have 19 days left before I need to renew and then it crashed and I opened it again and it picked up with my license and I tried one more but it did not work. create a new SSL key and certificate for your Webmin server, the RSA key select default (2048), and make sue Use new key immediately. For some reason it started up protecting my computer and picked up with my current license key and I tried again to see if the problem was gone after reinstalling Kaspersky and it is not but then it started saying the it can't guarantee authenticity of OneDrive and eventually it said the same thing for Windows. Solutions: using chrome or firefox, login in webmin, in webmin configuration ->SSL Encryption->Self-Signed Certificate. ''Note: You don't need to complete the process of adding an exception - I suggest not adding one until we know this isn't a malware issue - but you can use the dialog to view the information that makes Firefox suspicious.''Īlright so a weird glitch just happened. What do you see there? I have attached a screen shot for comparison.ĭo you use Kaspersky? If so, check out the Kaspersky section of this article and see whether that workaround makes a difference: ]. Look at the "Issued by" section, and on the Details tab, the Certificate Hierarchy. This should pop up the Certificate Viewer. If View is not enabled, try the Get Certificate button first. Note: You don't need to complete the process of adding an exception - I suggest not adding one until we know this isn't a malware issue - but you can use the dialog to view the information that makes Firefox suspicious.Ĭlick Add Exception, and the certificate exception dialog should open.Ĭlick the View button. Expand the "Advanced" button and look for an Add Exception button. If you want to try that now, here's how I suggest starting: You could inspect a sample certificate to see whether that points to the culprit. Do you use Kaspersky? If so, check out the Kaspersky section of this article and see whether that workaround makes a difference: How to troubleshoot security error codes on secure websites.
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