Windows 2008 netsh firewall set portopening protocol = TCP port = 1433 name = SQLPort mode = ENABLE scope = SUBNET profile = CURRENT
Windows 2012이상 netsh advfirewall firewall add rule name = SQLPort dir = in protocol = tcp action = allow localport = 1433 remoteip = localsubnet profile = DOMAIN 이와 같이 해당 포트를 열어주면 됨다.
참고 URL https://docs.microsoft.com/ko-kr/sql/sql-server/install/configure-the-windows-firewall-to-allow-sql-server-access
