>>613
$ curl -v -I --tls-max 1.1 --tlsv1.1 https://5ch.net/
* Host 5ch.net:443 was resolved.
* IPv6: 2606:4700:10::6816:16d, 2606:4700:10::6816:6d, 2606:4700:10::ac43:5c2
* IPv4: 172.67.5.194, 104.22.1.109, 104.22.0.109
* Trying [2606:4700:10::6816:16d]:443...
* Immediate connect fail for 2606:4700:10::6816:16d: No route to host
* Trying [2606:4700:10::6816:6d]:443...
* Immediate connect fail for 2606:4700:10::6816:6d: No route to host
* Trying [2606:4700:10::ac43:5c2]:443...
* Immediate connect fail for 2606:4700:10::ac43:5c2: No route to host
* Trying 172.67.5.194:443...
* ALPN: curl offers h2,http/1.1
* TLSv1.1 (OUT), TLS handshake, Client hello (1):
* TLSv1.1 (IN), TLS handshake, Server hello (2):
* TLSv1.1 (IN), TLS handshake, Certificate (11):
* TLSv1.1 (IN), TLS handshake, Server key exchange (12):
* TLSv1.1 (OUT), TLS alert, internal error (592):
* TLS connect error: error:0A00014D:SSL routines::legacy sigalg disallowed or unsupported
* closing connection #0
curl: (35) TLS connect error: error:0A00014D:SSL routines::legacy sigalg disallowed or unsupported

とでます。(1.0も同じく)