用Firefox链接会显示”Secure Connection Failed“

[who]

如题

An error occurred during a connection to www.usmitbbs.com. The OCSP response does not include a status for the certificate being verified.

Error code: MOZILLA_PKIX_ERROR_OCSP_RESPONSE_FOR_CERT_MISSING

代码： 全选

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem.

我刚刚试了一下 firefox，显示 connection is secure。
不知道区别在哪里