[//]: # (werk v2)
# check_cert: New active check for advanced certificate monitoring
key | value
---------- | ---
date | 2024-04-03T13:42:35+00:00
version | 2.4.0b1
class | feature
edition | cre
component | checks
level | 2
compatible | yes
The _check_http_ plug-in was previously the only method to monitor
certificates out-of-the-box with Checkmk. With the new plug-in Checkmk
provides an extensive functionality to monitor certificates. This includes
but is not limited to certificates provided by the HTTP protocol.
With the new plug-in you can monitor all certificates provided through
a TCP connection to encrypt communication. This includes the monitoring
of
* validity times (max and remaining)
* issuer fields
* subject fields
* encryption algorithm
* alternative names
* response times
* public key algorithm and size
* serial number
As with the reworked plugin to monitor web services, you are able to
configure multiple services within a single rule.