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A growing archive of public postmortems, broken down into a consistent shape: what broke, why it cascaded, and what to take from it. New incidents added regularly.
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topic: proxy
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FM-026
The WAF Killswitch That Crashed the Older ProxyA global WAF testing-tool killswitch exposed an FL1 proxy bug, returning HTTP 500s for sites using the older proxy and Managed Ruleset.
Cloudflare
2025-12-05
25m
SEV-2
wafconfigproxy