What firewall ports need to be open for SQL Server?

Question

Answer: Port 1433 for TCP is needed to connect to the SQL database instance. By default, SQL will attempt to use 1433. If that port is unavailable, it will automatically choose another port. . Port 1434 for UDP is needed to allow the automatic discovery of SQL by the workstations.

What ports are required for SQL Server?

Ports Used By the Database Engine. By default, the typical ports used by SQL Server and associated database engine services are: TCP 1433, 4022, 135, 1434, UDP 1434.

How do I allow SQL Server ports in Windows Firewall?

Solution1Connect to your SQL server.2Open the Windows firewall.3Click on Inbound Rules.4Select New Rule.5Select the Port type of the rule.6Specify the ports 1433 and 1434 to which this rule applies inside the Specific local ports area. ... 7In this step, leave the default selection: Allow the connection.Inbound traffic on TCP Port 1433 needs to be allowed on the SQL

How do I allow SQL Server in firewall settings?

Allow the SQL Server applications in the Firewall1Open Windows Control Panel and select System and Security.2From the System and Security window, click the link to Allow an app through Windows Firewall.3Allow the SQL Server Browser: ... 4Click the Browse button. ... 5Allow the SQL Server Application: ... 6Click the Browse button.Configure Windows Firewall for SQL Server (KB13103002)

How do I check if firewall is blocking SQL Server port 1433?

Following the steps below will enable port 1433 in your windows firewall.1Click Start.2Click Run.3Type Firewall.cpl and then Click OK.4Click the Exceptions Tab.5Click Add Port.6In the Port Number, type 1433.7Click the TCP button.8Type a name in the name box and then Click OK.How To Configure Windows Firewall For TCP Port 1433 - IRIS Software

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