[Setup] Setup IPSec Connection using OPENSWAN

Preparation and tools Use VMWare Workstation 15 Pro to run 2 OS: – Ubuntu 12.04.5 (local): IP 192.168.5.142 (@localserver)– Ubuntu 12.04.5 Ver2 (máy đầu xa): IP 192.168.5.143 (@remoteclient) *Make sure that the two machines can ping each other successfully over the ICMP protocol. Start — Step 1: Download and Install OPENSWAN on both machines, use