Port 1433 is a well-known port used by Microsoft SQL Server for database communication. It is essential to ensure that this port is open for SQL Server to function properly. Checking if port 1433 is open is a crucial step in troubleshooting connectivity issues with SQL Server.
There are several ways to check if port 1433 is open. One common method is to use the “Telnet” command. Here’s how to do it:
