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rajannpatel / Pi-Hole-PiVPN-on-Google-Compute-Engine-Free-Tier-with-Full-Tunnel-and-Split-Tunnel-OpenVPN-Configs

Run your own privacy-first ad blocking service in the cloud for free on Google Cloud Services.
MIT License
1.31k stars 111 forks source link

Questions on this setup #37

Closed Kwbmm closed 5 years ago

Kwbmm commented 5 years ago

First of all, thanks for this guide. It's awesome!

I have successfully configured both my smartphone and laptop to use PiVPN. I have some technical questions though:

  1. It is suggested to use a split tunnel for PCs due to the amount of data they transfer. What's the problem in using the full tunnel? Is it just a matter of responsiveness?
  2. Why should I use a UDP tunnel over a TCP one? Is it just because UDP is theoretically faster than TCP (due to it being a connectionless protocol)?
  3. I don't quite get how everything is free here.. I mean, I see from the billing it's free, but how is that possible? What's the threshold for paying?
rajannpatel commented 5 years ago

  1. full tunnel will quickly blow through your free data allotment, and the goal here is not to encrypt all of your data so much as it is to block ads from being downloaded over your network connection.

  2. yes, UDP is recommended because it is going to be faster.

  3. free with usage limits is further elaborated here: https://cloud.google.com/free/

I hope these answers are adequate, happy to go into more details if anything is unclear. I will close the ticket if I don't hear back in a week.

Kwbmm commented 5 years ago

Super! Thanks!