[squid-users] bank blocked

[Vacheslav]

Peace,

Here is the log ufdbguard:

2018-10-31 17:34:45 [4270] TLSv1.2 certificate for i.bps-sberbank.by:443: UNRECOGNISED ISSUER  (maybe a certificate chain issue)  *****
2018-10-31 17:34:45 [4270]    issuer: /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=GeoTrust RSA CA 2018
2018-10-31 17:34:45 [4270]    subject: /C=BY/L=Minsk/O=BPS-Sberbank OAO/OU=Head Office/CN=*.bps-sberbank.by
2018-10-31 17:34:45 [4270] TLSv1.2 connection to i.bps-sberbank.by:443 has error code 12. It is marked as a TLS/SSL certificate issue
2018-10-31 17:34:45 [4270] BLOCK -                10.17.10.17     config     https-option  i.bps-sberbank.by:443 CONNECT

What is wrong?