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Just tried it on my linux box: * Trying 2a09:8280:1::a:791:443...
* Connected to fly.io (2a09:8280:1::a:791) port 443 (#0) ALPN,
* offering h2 ALPN, offering http/1.1 CAfile:
* /etc/ssl/certs/ca-certificates.crt CApath: /etc/ssl/certs TLSv1.0
* (OUT), TLS header, Certificate Status (22): TLSv1.3 (OUT), TLS
* handshake, Client hello (1): TLSv1.2 (IN), TLS header, Certificate
* Status (22): TLSv1.3 (IN), TLS handshake, Server hello (2): TLSv1.2
* (IN), TLS header, Finished (20): TLSv1.2 (IN), TLS header,
* Supplemental data (23): TLSv1.3 (IN), TLS handshake, Encrypted
* Extensions (8): TLSv1.2 (IN), TLS header, Supplemental data (23):
* TLSv1.3 (IN), TLS handshake, Certificate (11): TLSv1.2 (IN), TLS a
* header, Supplemental data (23): TLSv1.3 (IN), TLS handshake, CERT
* verify (15): TLSv1.2 (IN), TLS header, Supplemental data (23):
* TLSv1.3 (IN), TLS handshake, Finished (20): TLSv1.2 (OUT), TLS
* header, Finished (20): TLSv1.3 (OUT), TLS change cipher, Change
* cipher spec (1): TLSv1.2 (OUT), TLS header, Supplemental data (23):
* TLSv1.3 (OUT), TLS handshake, Finished (20): SSL connection using
* TLSv1.3 / TLS_AES_256_GCM_SHA384 ALPN, server accepted to use h2
* Server certificate:
...Same on my macbook |