You most likely have a firewall running on your home computer. Examine its rules and see if you can make sense of i t. What types of messages does it prevent your computer from receiving? I n Windows,...

You most likely have a firewall running on your home computer.
Examine its rules and see if you can make sense of i
t.
What types of messages does it prevent your computer from receiving?
 I
n Windows, to view the Firewall rules, go to your control panel, select Network and Sharing Center, and from there, Windows Firewall. From the pop-up window, click on Inbound and Outbound Rules and you will see all of the software that has rules.