Uhhhhhhhhhhh maybe tbh i have noooo idea.
<span>Ports are used to distinguish among multiple destination processes in a single host computer.</span>
UDP (User Datagram Protocol)<span> port 500 is used for i k e traffic from VPN client to server.
</span><span>This port is used during the establishment of secure VPN tunnels.
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I have annotated the errors in the picture.
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<em>Hope this helps :)</em>