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Certificate Test Page

The test will allow you to determine whether or not you have a certificate installed and if that certificate is valid and contains correct information.

Click here to test your certificate.

If you see an error message such as "web.mit.edu has received an incorrect or unexpected message. Error Code: -12227", you do not have any certificates installed in your browser. Please visit http://web.mit.edu/ist/topics/certificates/ to obtain a certificate.