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		Ask HN: Books/resources/materials that teach you VPN fundamental?
		3 points by 8BitArmour on Oct 18, 2022 \| hide \| past \| favorite \| 1 comment

		Any sort of material that teaches you how to build a VPN from ground up,for commercial or personal uses. All suggestions are welcome,thanks in advance!

popcalc on Oct 18, 2022 [–]

Wireguard docs are useful: https://www.wireguard.com/netns/

If you want to RUN a VPN, master iptables and enterprise networking: https://www.amazon.com/Linux-Firewalls-3rd-Steve-Suehring/dp... .

If you want to WRITE a VPN, read the source of a few openly available relatively simple VPN/tunnel implementations.

https://github.com/yarrick/iodine https://github.com/jpillora/chisel

Familiarise yourself with packet layers. Fantastic resource: https://github.com/netspooky/protocols/tree/main/broadcast_b...

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