q1. A common management requirement is that "all external Web traffic must flow via the organization's Web proxy." However, that requirement is easier stated than implemented. Discuss the various problems and issues, possible solutions, and limitations with supporting this requirement. In particular consider issues such as identifying exactly what constitutes "Web traffic" and how it may be monitored, given the large range of ports and various protocols used by Web browsers and servers.
q-2. In key distribution and management, two types of keys are generally used: master key and session key. In WhatsApp Security white paper, a key distribution and management mechanism has been employed for subsequent end-to-end encryption. Which of these keys will you categorize as a master key and session key.