SSL Certificate Validation
The SSL Certificate Validation trigger type listens for error events thrown by the SSL Manager extension whenever SSL certificates get validated by a channel. This type is only available when the SSL Manager is also installed.
| Option | Description | 
|---|---|
| Validation Errors | Select all of the error types you want the alert to trigger on. 
  | 
| Certificate DN Regex | Optional. If specified, only certificates with a Subject Distinguished Name (DN) matching this Java-style regular expression causes this alert to trigger. | 
| Time Until Expiration | The amount of time (for example, 7d) before a certificate expires to trigger the alert. Only valid down to a minute-level precision. If left blank, zero (0) is assumed, meaning the alert triggers when the certificate actually reaches its validity end date. | 
| Re-trigger Interval | After the first certificate expiration trigger, the alert triggers again periodically at this interval until the certificate has either been replaced or removed. Only valid down to a minute-level precision. If left blank, the alert only triggers once for every time this alert is enabled. |