Error code sec_error_unknown_issuer

A SEC_ERROR_UNKNOWN_ISSUER error code in Firefox indicates that a website is trying to use an SSL certificate issued by an untrusted issuer. The Public Infrastructure Key (PKI) is designed such that only trusted certificate authorities (CAs) can issue trusted certificates.

1. What is error code Sec_error_unknown_issuer in Ubuntu?
2. How to bypass Sec_error_unknown_issuer Firefox?
3. How do I fix my Firefox security certificate?
4. Why is SSL not working in Firefox?
5. What causes security certificate error?
6. What is Sec_error_unknown_issuer in Firefox?
7. How do I fix there is a problem with this website's security certificate?
8. How do I fix System program problem detected error in Ubuntu?
9. How do I fix file system error in Ubuntu?

What is error code Sec_error_unknown_issuer in Ubuntu?

If the browser shows a SEC_ERROR_UNKNOWN_ISSUER or MOZILLA_PKIX_ERROR_MITM_DETECTED, it means the browser is not trusting the presented certificate and its certificate authority. It also intends that the root certificate of the certificate authority is removed from the root store.

How to bypass Sec_error_unknown_issuer Firefox?

In this case, you can bypass the warning by clicking Accept the Risk and Continue on the “potential security risk ahead” page. If you have the issue - Firefox your connection is not secure SEC_ERROR_UNKNOWN_ISSUER, click Add Exception.

How do I fix my Firefox security certificate?

From the Tools menu, click Options > Advanced tab. Click View Certificates. Select the Authorities tab. Click Import.

Why is SSL not working in Firefox?

To fix this, you need to visit the settings option of whichever security software you are using and locate the SSL scanning feature of the software. Once you find it uncheck the box that indicates if it is enabled. Once you disable this feature on your security software, you should try visiting the website again.

What causes security certificate error?

This often means that the security certificate was obtained or used fraudulently by the website. A website is using a certificate that was issued to a different web address. This can occur if a company owns several websites and uses the same certificate for multiple websites.

What is Sec_error_unknown_issuer in Firefox?

A SEC_ERROR_UNKNOWN_ISSUER error code in Firefox indicates that a website is trying to use an SSL certificate issued by an untrusted issuer. The Public Infrastructure Key (PKI) is designed such that only trusted certificate authorities (CAs) can issue trusted certificates.

How do I fix there is a problem with this website's security certificate?

Resolution. To resolve this issue, an organization that hosts the secure Web site can purchase a certificate for each Web server from a third-party provider. Or, the organization can install a Microsoft Enterprise certification authority in the Active Directory forest.

How do I fix System program problem detected error in Ubuntu?

Turn off apport

We can use any editor( vi,in, nano or cat) to edit the configuration file. We just need to set the value of enabled from 1 to 0, and this will disable apport. Save the file and close it. From the next boot onwards, there should be no error messages ever.

How do I fix file system error in Ubuntu?

In the toolbar underneath the Volumes section, click the menu button. Then click Repair Filesystem…. Depending on how much data is stored in the filesystem a repair may take longer time. Confirm to start the action in the dialog that pops up.