See https://support.microsoft.com/en-us/help/310099/description-of-the-portqry-exe-command-line-utility on how to test your UDP port using PortQry from https://www.microsoft.com/en-us/download/details.aspx?id=17148
See https://support.microsoft.com/en-us/help/310099/description-of-the-portqry-exe-command-line-utility on how to test your UDP port using PortQry from https://www.microsoft.com/en-us/download/details.aspx?id=17148