1: Let’s assume that the internal desktop is used by Alice and she wants to remotely log into the external machine denoted as the Telnet server. Alice runs a Telnet client program on her desktop.
2: Let’s first assume that the Proxy Firewall does not exist. In this case, when Alice needs to remotely login into the external Telnet server, the Telnet client program that runs on her desktop will send packet #1 of the TCP 3-way handshake protocol to the Telnet Server. What is the source IP address put in the header of packet #1