Port 1433 is a well known port utilized by Microsoft SQL Server for database communication. It’s important to make sure that this port is open for SQL Server to operate correctly. Checking if port 1433 is open is an important step in troubleshooting connectivity points with SQL Server.
There are a number of methods to examine if port 1433 is open. One frequent technique is to make use of the “Telnet” command. This is how you can do it:
