wikipedia:ALPN
curl --help
--no-alpn Disable the ALPN TLS extension
openssl s client -connect
See also[edit]
- TLS: OpenSSL, LibreSSL, WolfSSL, X.509,
.pem
, SNI, CT, OCSP, Mbed TLS, mTLS, ALPN, your connection is not private
, SSL Certificate Checker, Wildcard certificate, JA3 fingerprint, sslcan, TLS inspection