I downloaded an apps called Fing in my iPhone. That apps Pings, Speed Test, Trace and finds open ports. I ran "find open ports" to see my Desktop and gave 3 ports open results can be seen in the attached image.
Question, the 3 open ports found open on my desktop 135, 139, 445,
- what exactly is open?
- Should they be closed?
- What is you recommendation.