Over the years, I learned that Microsoft SQL Server product has TCP/IP port configured to 1433 by default.    I strongly advised to change the SQL Server TCP/IP port to unique port number.  In addtion, It’s Microsoft Best Practice advised SQL Server database’s TCP/IP port to be changed.    Enclosed are the procedures how to change Microsoft SQL Server 2008 R2 database port.

1. Go to SQL Server Configuration Manager –> Select Protocols for SQL01
2. Right Click the TCP/IP –> Then go to Properties
3. Click on IP Addresses –> Scroll down to TCP Port
4. Then changed the TCP Port to unique number.