I want ask three questions to the security experts:
Note: consider that the operating system is (Windows2000 Or Windows2003).
1. How i can show the open ports in the computer machine, and how i can close specific port if i need to close it, and how i can open it if i need??
2. What is the port that responsible of PING process ??
3. where is the risk if there is some body(hacker)know the numbers of my open ports?? and take in your consideration that these ports are necessary to be open !
