1. Why do many organizations ban port scanning activities on their internal networks? Why would ISPs ban outbound port scanning by their customers? 2. What is an open port? Why is it important to...

1. Why do many organizations ban port scanning activities on their internal networks? Why would ISPs ban outbound port scanning by their customers?

2. What is an open port? Why is it important to limit the number of open ports to only those that are absolutely essential?