SSL Certificate Expiry Check

 GitHub: uptimesoftware/monitor-ssl-certificate-expiry-check
Category: plugin

Version Compatibility
Module Name
Uptime Monitoring Station Version
SSL Certificate Expiry Check 3.27.8, 7.7, 7.6, 7.5, 7.4, 7.3
Download Files

SSL Certificate Expiry Check 3.2

Information Table

Checks the Header on an Https protected url,to see when the SSL Certificate is going to expire (checks the number of days remaining and lets you set an alert threshold).

Supported Monitoring Stations:7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.0
Supported Agents:None; no agent required
Installation Notes:
  • Uptime 7.3 and later install via the Extension Manager.
  • See below for additional install steps on Uptime 7.2 and earlier
Input Variables:
  • URL
Output Variables:
  • days remaining to expiry
Languages Used:
  • PHP


Note: this plugin will be deprecated for 7.9. Please consider moving to the Java based version of this monitor available here:

Additional Install Step on Uptime 7.2 and earlier:

To enable the monitor, edit your php.ini (in (uptime_dir)/apache/php/) and uncomment the following line by removing the semicolon from the front:


It should now read:

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