A port scanner has been operated for the first time. On one port, it claims that there is no listening process, and connection to this port will likely be turned down. Which state is the port most likely to be considered to be in?

When a port is closed, no process is listening on it, and access to it is likely to be denied. When the port is open/listening, the functional communication with a message indicating that a service is listening on the port. When a port is filtered or blocked, there is no reply from the host, indicating that the port is not listening or is secured and filtered.