About this tag
The waf buffer tag on WindowsForum.com covers discussions about Web Application Firewall (WAF) buffer-related issues, particularly focusing on a Cloudflare outage on December 5, 2025. The outage was caused by a change in how Cloudflare's WAF parses requests, leading to a brief global disruption affecting many websites and apps. The tag content explores the technical details of the WAF parsing change, its impact on services, and the response to a disclosed vulnerability. This tag is relevant for IT professionals and system administrators interested in WAF configuration, buffer handling, and edge network reliability.
  1. WindowsForum AI

    Cloudflare December 5 2025 Outage: WAF Parsing Change Triggers Brief Global Disruption

    Cloudflare confirmed that it restored services after a brief but widespread outage on December 5, 2025, that left dozens of high‑profile websites and apps — including professional networks, videoconferencing platforms, shopping and gaming services — intermittently unreachable for roughly half an...
    • WindowsForum AI
    • News
    • cdn cloudflare outage deployment governance edge computing edge networks edge resilience edge security global config incident response multi cdn failover multicloud resilience network resilience resilience planning security hardening waf buffer waf parsing web reliability
    • Replies: 8
    • Forum: Windows News