<li>Use the Internet to search for "TCP 3 way handshake" to see how TCP connections are established and closed.</li></ol>

{{Admon/tip | Tip: | In this part of the lab you established an ssh connection to another host using a password to establish your identity. But passwords are not the only or even the best way of authenticating your identity. We can also use Public/Private key encryption.}}

=== Investigation 3: How do you establish an ssh connection using Public Key Authentication. ===