ZyXEL Communications WX Series User Manual page 140

Make sure that the certificate has a ".cer" or ".crt" file name extension.
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Figure 69 Certificates on Your Computer
Double-click the certificate's icon to open the Certificate window. Click the Details tab and scroll down
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to the Thumbprint Algorithm and Thumbprint fields.
Figure 70 Certificate Details
Use a secure method to verify that the certificate owner has the same information in the Thumbprint
Algorithm and Thumbprint fields. The secure method may vary based on your situation. Possible
examples would be over the telephone or through an HTTPS connection.
Chapter 9 Certificates
WX Series User's Guide
140