KB4548001 - FIX: Connection error occurs when you try to connect SQL Server 2017 on Linux by using OpenSSL 1.1

Applies to: SQL Server 2017 Enterprise on LinuxSQL Server 2017 Enterprise Core on LinuxSQL Server 2017 Standard on Linux

Symptoms


When you try to connect SQL Server 2017 forLinux on a distribution that has OpenSSL 1.1 configured and OpenSSL 1.0 is not installed, you may receive a connection error message that resembles the following: 
A connection was successfully establishedwith the server, but then an error occurred during the login process.(provider: SSL Provider, error:0 - An existing connection was forcibly closedby the remote host.)
For example: When you try to connect withSQLCMD, you may receive the following error messages:
Sqlcmd: Error: Microsoft ODBC Driver 17 forSQL Server : TCP Provider: Error code 0x2746.
Sqlcmd: Error: Microsoft ODBC Driver 17 forSQL Server : Client unable to establish connection. 
Note: An example of Linux distribution whichcomes with OpenSSL 1.1 and without OpenSSL 1.0 installed is Red Hat EnterpriseLinux 8.0.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 

Resolution


This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

References


Learn about the terminology that Microsoft uses to describe software updates.