- Plesk for Linux
Domains assigned to 203.0.113.2 IP address cannot by opened via HTTPS (https://example.com/) with the following error in browser:
PLESK_INFO: This site can’t be reached
www.example.com unexpectedly closed the connection.
That domains can be opened via HTTP without any issues.
example2.com is set as Default site at Tools & Settings > IP Addresses > 203.0.113.2
SSL/TLS support is enabled for the domain at Domains > example2.com > Hosting Settings, but there is no certificate set. Or invalid certificate is selected.
Checking connections via command line the following errors are shown:
# openssl s_client -tls1_1 -connect 203.0.113.2:443
140057490097992:error:1409E0E5:SSL routines:SSL3_WRITE_BYTES:ssl handshake failure:s3_pkt.c:598:
# curl -v https://example.com/
* NSS error -5938
* Closing connection #0
* SSL connect error
curl: (35) SSL connect error
Misconfiguration of Default site security settings.
- Log into Plesk.
- Set valid SSL certificate in Plesk > Domains > example2.com > Hosting Settings > Certificate (drop-down menu).
- If it is not possible, set Default site at Tools & Settings > IP Addresses > 203.0.113.2 to None or select domain that has SSL certificate configured properly.