Cloudflare WAF developers.cloudflare.com ↗

Cloudflare's managed web application firewall.

ServiceSecurity & privacywafmitigationcdnedge-protection

Recommended in 2 threads

Dutch National Cyber Security Center is Offline because it uses PHP
ncsc.nl · 5 days ago
Deployed managed rules to mitigate the PHP exploit until patching.
PHP session.upload_progress heap UAF (CVE-2026-109618 / -109619)
jackalsyn.com · 5 days ago
Its managed rules reportedly block known exploit payloads, though you need to lock the origin to Cloudflare's IPs or a tunnel.

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A Linux kernel security module for mandatory access control.
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YubiKey
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AWS-LC
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Link from a commenter, not checked or endorsed by us: ↗ https://developers.cloudflare.com/waf/change-log/changelog/