Open Ports

www.grc.com I did open port scan, no open ports but the test was failed because they said that my firewall pinged back at them. It hasnt pinged back before, so this made me worried. Is this a sign of malware?

I use security cameras that have open ports on my router but there are many new open ports that i have not myself made. Is this a security breach possibly or is there something else going on

I've been trying to mess around with Direct Connect (neo-modus), and can't seem to connect to other users. The FAQ says to switch to passive mode and call it a day or you can go threw and open ports for the app. I have a linksys router, and I seem to only be able to open a 4 digit port, or...