Gateways unresponsive on us-4.platform.sh

Incident Report for Platform.sh

Postmortem

What happened

A large increase in incoming connections to the us-4.platform.sh region caused the gateways to become unresponsive.
Availability of sites/environments in the region was negatively impacted.

This incident did not affect Dedicated clusters.

Customer impact

Some sites in us-4.platform.sh region were unavailable during the incident (starting at 04:23 UTC on 2024-03-27).
Most affected sites have recovered within 18 minutes (by 04:41 UTC).

What was done to resolve the incident

We have blocked some malicious (DDOS) traffic to the region.

Posted 1 year ago. Mar 27, 2024 - 05:46 UTC

Resolved

Alerts for the region have cleared following filtering of the excess traffic, and the region is again stable.

Posted 1 year ago. Mar 27, 2024 - 05:37 UTC

Monitoring

Traffic has been blocked and we're seeing gateway performance returning to normal. We're continuing to monitor the situation and will take additional action if needed.

Posted 1 year ago. Mar 27, 2024 - 04:45 UTC

Identified

A large increase in incoming connections to the us-4.platform.sh region caused the gateways to become unresponsive again.

Our Operations team has been notified and is currently investigating the issue.

Posted 1 year ago. Mar 27, 2024 - 04:42 UTC

This incident affected: USA-4 (East 1) (us-4.platform.sh).