Classification: FMOS
Category: X.509 certificate usage or issue
Severity: Error
Summary
An expired certificate was encountered.
Description
This error is reported by fmos pki import-cpl-cert when the supplied control panel certificate or one of the required intermediate CA certificates in the CA chain file has expired.
Impact
When a server presents a certificate that has expired to clients when they connect to it, the clients will refuse to communicate with the server.
Cause
Certificates include a range of dates during which they are valid. If the current date and time falls outside that range, clients will not communicate with that server.
Client machines typically use their internal system clock to determine the current date and time. If the system clock is not set correctly, client software may erroneously calculate that the control panel certificate has expired.
Resolution 1
If the control panel is using a custom certificate signed by a certificate authority (either internal or public), a new certificate will need to be issued. Contact the certificate authority for instructions on how to obtain a renewed certificate.
Once the new certificate is available, it will need to be imported using fmos pki import-cpl-cert as usual:
fmos pki import-cpl-cert newcert.pem newcert.keyResolution 2
If the system clock is set incorrectly it will need to be corrected. FMOS requires NTP for time synchronization, so at least one NTP server must be configured on and reachable by all machines in the FMOS ecosystem.
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