https://blog.crawlex.net/blog/detecting-curl-impersonate-utls/
Detecting curl-impersonate and uTLS: the second-order tells
Mar 5, 2026 - How detectors catch tools that forge a perfect browser ClientHello: the mismatch between the TLS layer and the HTTP/2 frames above it, library-specific...
the seconddetectingcurlimpersonateutls