Describe the security utilities listed below:
• Kerberos.
• Firewalls.
For Kerberos, discuss the following topics:
1. What it is.
2. Describe the protocol.
3. Requests and authentications.
4. Technologies that rely on it.
For firewalls, discuss the following topics:
• What they are.
• Describe how each generation works.
• List and describe different open-source and shareware firewalls.
• Compare and contrast the different products you have found.
• Pick one product and describe the installation process on Linux Ubuntu.
