域名：burian-server.cz
我试过的：
user@pc ~ $ curl -v -3 -X HEAD https://burian-server.cz
* Rebuilt URL to: https://burian-server.cz/
* Hostname was NOT found in DNS cache
* Trying 192.168.0.102...
* Connected to burian-server.cz (192.168.0.102) port 443 (#0)
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* Unknown SSL protocol error in connection to burian-server.cz:443
* Closing connection 0
curl: (35) Unknown SSL protocol error in connection to burian-server.cz:443
与我的另一个域sslhosting.cz相比，在不同的主机上运行：
user@pc ~ $ curl -v -3 -X HEAD https://sslhosting.cz
* Rebuilt URL to: https://sslhosting.cz/
* Hostname was NOT found in DNS cache
* Trying 88.86.120.114...
* Connected to sslhosting.cz (88.86.120.114) port 443 (#0)
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS alert, Server hello (2):
* error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure
* Closing connection 0
curl: (35) error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure
一位测试人员告诉我，我“可能”并不容易受到攻击，对此我不太了解。
由于上述输出存在明显差异，我怀疑我可能错误地配置了我的 Apache 服务器。