Firewall Blocks Open Ports, So No Connection Can Be Made To The Open Port! True or False?

If true, then whats the point of open port, if firewall blocks it from receiving connections??!!!





If false, why?





Firewall does not block outgoing traffic through the open ports, right?Firewall Blocks Open Ports, So No Connection Can Be Made To The Open Port! True or False?
Firewall cannot block connection, it can only block incoming traffic and some can block outgoing traffic.Firewall Blocks Open Ports, So No Connection Can Be Made To The Open Port! True or False?
you can configure your firewall to unblock specified ports
Firewall Can block only incoming traffic