Werk #17712: check_cert: also consider not_before in validity check

Name: checkmk
Rating: 4.7 (114 reviews)

Component

Checks & agents

Title

check_cert: also consider not_before in validity check

Date

Mar 12, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p29	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Before when a certificate validity started in the future check_cert would for example display

Certificate expired (Jan 1 00:00:00 2034 +00:00) CRIT

which is incorrect.

Now the output is being changed to

Certificate not yet valid until Jan 1 00:00:00 2033 +00:00 CRIT