VPNs, Proxies and Secure Tunnels Explained (Deepdive)
3,850What is a secure "tunnel"? When I started to learn about computers the name confused me. I couldn't imagine how it works on a technical level. In this video we build upon knowledge from the previous videos, to develop an intuition for what a tunnel, VPN or proxy is.
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1. Server Explained: https://www.youtube.com/watch?v=VXmvM2QtuMU
2. Protocol Explained: https://www.youtube.com/watch?v=d-zn-wv4Di8
3. Computer Networking: https://www.youtube.com/watch?v=6G14NrjekLQ
Grab the forwarder.py code: https://gist.github.com/LiveOverflow/8325c58ecf5b385a2028f3174ee47c18
Chapters:
00:00 - Intro and Background
00:53 - Networking as a Blackbox
01:24 - forwarder.py: Forward Data via Networking
02:43 - Using forwarder.py as a Proxy
04:31 - xor_forwarder.py: Forward "XOR Encrypted" Data via Networking
06:58 - The VPN Blackbox
08:10 - VPNs Forward Entire Packets
10:01 - Virtual Network Cards with TUN/TAP
12:34 - Outro
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