Can't access https://cp.smartape.ru/billmgr?

Question

Browsers

Good evening! Please explain what is wrong.
At home, when you go to the site https://cp.smartape.ru/billmgr, it opens without problems.
From work, An error occurred while establishing a secure connection.
Already tried everything, imported the certificate to a working browser.
When added to the exception, it was not possible to obtain information about the true status of this site.
Although port 443 is open, such an error comes out through curl, the dns caches were also cleaned.

* Trying 188.127.239.131...
* Connected to cp.smartape.ru (188.127.239.131) port 443 (#0)
* ALPN, offering http/1.1
* Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:! aNULL:!LOW:!RC4:@STRENGTH
* successfully set certificate verify locations:
* CAfile: /etc/ssl/certs/ca-certificates.crt
CApath: /etc/ssl/certs
* TLSv1.2 (OUT), TLS header, Certificate Status (22):
* TLSv1.2 (OUT), TLS handshake , Client hello (1):
* Unknown SSL protocol error in connection to cp.smartape.ru:443
* Closing connection 0
curl: (35) Unknown SSL protocol error in connection to cp.smartape.ru:443

Answer 1

On some node ssl is not supported probably