Issues with Page Rules containing Server Side Excludes

Resolved

This incident has been resolved.

Update

A fix is being released, and we are monitoring the results.

Update

The issue has been identified and a fix is being implemented.

Investigating

Cloudflare is aware of, and investigating an issue with Page Rules including Server Side Excludes which may be causing 500 errors on traffic. We are working on resolving the issue. Customers can remove the Server Side Excludes from Page Rules as a workaround in the meantime.