certificate signed by unknown authority
时间: 2023-09-26 20:04:55 浏览: 106
When a certificate is signed by an unknown authority, it means that the certificate was issued by an entity that is not recognized as a trusted authority by the software or system verifying the certificate. This can occur when a website or application is using a self-signed certificate, or when a certificate is issued by a new or untrusted certificate authority.
When a user encounters a certificate signed by an unknown authority, they may see a warning message in their browser or application indicating that the certificate is not trusted. Depending on the specific software or system, the user may have the option to ignore the warning and proceed to the site or application, or they may be unable to access it.
To avoid encountering certificates signed by unknown authorities, users should only trust certificates issued by trusted certificate authorities. They should also be cautious when accessing websites or applications that use self-signed certificates or have recently switched to a new certificate authority.
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