What does the exception "Expired SSL Server Certificate (ssl_server_cert_expired)" mean?

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If your ProxySG appliance is configured to intercept HTTPS traffic, you may see cases where the proxy presents the exception: "Expired SSL Server Certificate" and the following default error message:

Expired SSL Server Certificate (ssl_server_cert_expired)
Your request contacted a host which presented an expired or Invalid certificate
This is typically caused by a Web Site presenting an incorrect or invalid certificate, but could be because of a configuration error.

For assistance, contact your network support team.
This can be caused by a certificate that has either expired or is not yet valid, (issued for a future date).
The problem could also be related to a Proxy time and date misconfiguration. You can check the clock and date from the Proxy's Web-Based Management Console:
or from the CLI: - Blue Coat SG210 Series>show clock
UTC time:     2001-09-26 14:58:50+00:00UTC
Local time:   2001-09-26 14:58:50-00:00UTC
Timezone:     UTC
If the certificate has expired, create a new one to replace it.
Additional Information
Bug Number
InQuira Doc IdFAQ1586

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First Published      10/01/2014
Last Modified      10/01/2014
Last Published      10/01/2014
Article Audience
Product      ProxySG
Topic      Errors / Event Logs / Alerts, SSL / HTTPS
Article Number      000016986
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