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<rss version="2.0"><channel><title>Peakhour.IO - FingerprinTLS</title><link>https://www.peakhour.io/</link><description></description><lastBuildDate>Sun, 19 Jul 2026 09:00:00 +1000</lastBuildDate><item><title>Before JA3: How TLS Handshakes Became Fingerprints</title><link>https://www.peakhour.io/blog/before-ja3-tls-fingerprinting-history/</link><description>&lt;p&gt;JA3 made TLS fingerprints easy to log and share, but the technical ideas behind it had already been tested in SSL Labs experiments, a p0f patch and FingerprinTLS.&lt;/p&gt;</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">AC</dc:creator><pubDate>Sun, 19 Jul 2026 09:00:00 +1000</pubDate><guid isPermaLink="false">tag:www.peakhour.io,2026-07-19:/blog/before-ja3-tls-fingerprinting-history/</guid><category>Security</category><category>TLS Fingerprinting</category><category>JA3</category><category>FingerprinTLS</category><category>p0f</category><category>Network Fingerprinting</category><category>Security Research</category></item></channel></rss>