How to setup a Raspberry Pi OpenVPN gateway

Today I'm showing you how to set up a Raspberry Pi as an OpenVPN sharing gateway.

Chapters:
00:00 - Intro
00:19 - Parts needed
01:13 - Flashing Raspberry Pi OS to the SD card
03:17 - Booting the Raspberry Pi with Raspberry Pi OS
03:59 - Finding out the Raspberry Pi's IP address with Advanced IP Scanner
05:20 - Connecting to the Raspberry Pi via SSH
06:38 - Updating the Raspberry Pi
07:38 - Setting a static IP address on the Raspberry Pi
10:50 - Installing and configuring OpenVPN on the Raspberry Pi
13:55 - Testing the OpenVPN connection on the Raspberry Pi
14:39 - Setting the OpenVPN connection to start on boot
15:54 - Setting IP Forwarding on the Raspberry Pi
16:37 - Installing and configuring iptables on the Raspberry Pi
19:18 - Setup a test machine for testing the gateway
21:28 - What is DNS leak and how to prevent it?
23:05 - Installing Bind9, a DNS server, on the Raspberry Pi
23:35 - Edit Bind9 config file
26:40 - Sharing the VPN gateway with all network clients
27:24 - Speed tests and conclusion

Links for the hardware used in this video or similar:
Raspberry Pi Kit: https://amzn.to/3tSZNm8
Sandisk SD cards: https://amzn.to/3hYzGET
USB Network Adapters: https://amzn.to/36hg2l6

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References used for this video:
DNS Leak: https://en.wikipedia.org/wiki/DNS_leak
DNS Leak Test: https://dnsleaktest.com/
NAT and iptables: https://www.howtoforge.com/nat_iptables
https://support.hpe.com/hpesc/public/...
iptables: https://linux.die.net/man/8/iptables
IP forwarding: https://openvpn.net/faq/what-is-and-h...
https://forums.raspberrypi.com/viewto...
https://thepi.io/how-to-use-your-rasp...
https://thepi.io/how-to-use-your-rasp...

Thank you for watching!