JA3 Fingerprint

Adzza · 2025-03-24T05:02:30.024Z

how can i block JA3 Fingerprint?

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AdzzaOP•3/24/25, 5:03 AM

or handle fingerprints on the server with X-FP style headers

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Idle•3/24/25, 5:21 AM

enterprise

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AdzzaOP•3/24/25, 4:20 PM

is there any document?

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antelucanus•3/25/25, 4:11 PM

JA3 and JA4 fingerprints are only available to Enterprise customers who have purchased Bot Management.

JA3 and JA4 fingerprints are only available to Enterprise customers who have purchased Bot Management.

JA3 and JA4 fingerprints are only available to Enterprise customers who have purchased Bot Management.

JA3 and JA4 fingerprints are only available to Enterprise customers who have purchased Bot Management.

Cloudflare Docs

JA3 and JA4 fingerprints help you profile specific SSL/TLS clients across different destination IPs, Ports, and X509 certificates.

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antelucanus•3/25/25, 4:11 PM

use JA4 not JA3 if you buy it, more reliable