> It's just a simple l3 udp tunnel Wait, isn’t UDP L4? Am I missing something?

Hendrikto • yesterday at 1:01 PM • 2 replies • view on HN

> It's just a simple l3 udp tunnel

Wait, isn’t UDP L4? Am I missing something?

gwehrli • yesterday at 1:22 PM

Wireguard is a L3 VPN that uses UDP (L4) for tunneling. Thats probably what was meant.

eurg • yesterday at 1:20 PM

Yes, but it tunnels arbitrary IP packets encapsulated in UDP.

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