Cloudflare Offers Free WAF Protection for Newly Discovered PHP2Shell Vulnerability
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Key summary
Cloudflare has announced free protection via its Web Application Firewall (WAF) against the newly discovered PHP2Shell vulnerability. The company stated it received advance notice of the flaw and began developing countermeasures in early October, releasing the update nine hours before the public announcement. Because the vulnerability is complex, standard request-based rules were insufficient; Cloudflare had to develop a new WAF feature that checks multiple signals simultaneously. Cloudflare warns that this WAF measure is supplementary and urges users to patch PHP immediately for permanent protection.
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Official source
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