This command will list open network ports and the processes that own them
netstat -lnptu --> From web ------------------ netstat -an|grep 80 --> From P'Pom or netstat -ano|grep 80 --> From P'Pom
On Windows
netstat -np <protocol> | find "port#"
http://superuser.com/questions/529830/get-a-list-of-open-ports-in-linux
