This page describes what to do in case of an Icinga alert. For more information you could search the govuk-puppet repo for the source of the alert

Pingdom check for homepage failing

Pingdom monitors externally (from ~10 locations in Europe and America) that it can connect to https://www.gov.uk. If this fails it could indicate that DNS for www.gov.uk is not working, our CDN has failed or GOV.UK and all the static mirrors are inaccessible, which would qualify as a major incident.

If you can confirm that GOV.UK is globally inaccessible, this is cause to first alert other people who may be able to help, then start troubleshooting to see if you can narrow down the failure.

• Pingdom Twitter account - check if they have announced issues
• Fastly Service status - check if the CDN has global issues
• AWS status - check if our main provider has issues

This page was last reviewed on 17 March 2020. It needs to be reviewed again on 17 September 2020 by the page owner #govuk-2ndline .

This page was set to be reviewed before 17 September 2020 by the page owner #govuk-2ndline. This might mean the content is out of date.