PCAP TLS 1.2/1.3 Handshake Failure Debugger: SNI, ALPN, Cipher-Mismatch, Cert-Chain & JA4 X-Ray

Deterministic RFC 8446 / 5246 TLS Record & Handshake TLV dissector (ClientHello/ServerHello/Certificate/Alert) + X.509 ASN.1 validity & intermediate-chain verifier + FoxIO JA4 TLS client-fingerprint calculator engine (.pcap, .pcapng, .cap) built for Wireshark, Cloudflare, OpenSSL, Nginx / Envoy — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

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