Monitor SSL Certificates with Azure Monitor

Azure Jul 26, 2021

We've all been in the situation where an SSL certificate on a website has expired and we've completely forgot to renew it.  Sometimes it can have massive implications on businesses and cause some reputational damage so it's definitely an event that we would love to avoid.

Until now you've probably had to put some calendar event reminders in your team's diaries or do some kind of custom monitoring solution.

Now there is a preview feature within Azure that can help you monitor and alert you when a certificate is due to expire.

Within Application Insights there is now a new type of availability test, a "standard test".  This standard test can help you check your SSL certificates expiry date and alert you if it's due to expire in the time period that you have set.

I've put together a tutorial of how to set this up in video format, which you can view below:

Monitor SSL Certificates with Azure Monitor

This is currently a preview feature, so it's free to use at present, but the team advise that there will be an associated cost per configured test execution once it becomes generally available.  So one to be mindful of while using it currently and planning for it in the future.

Do let me know if you use this feature and how you find it.

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