Footprinting as a term used to determine the operating system of the recipient

  1. Footprinting is a term used to determine the operating system of the recipient. How is this accomplished? Feel free to include screen shots. How can this information be useful for an attacker? Can you prevent someone from getting this information? If so how? If not, why not?
  2. Research distributed reflective denial of service (DRDoS) attacks. Summarize your research. Are these types of attacks really a current concern?
  3. You work for a small (100 IT Users) company and have just purchase a network-based firewall. Where would you place this device on your network? What settings would you choose to use and why? Describe the techniques used to filter packets. Where would one type of filtering be advantageous over another?