Routers VPN and such

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kb9mwr
Posts: 128
Joined: Tue Dec 03, 2013 10:59 am

Routers VPN and such

Post by kb9mwr » Fri Jun 24, 2022 11:16 am

In the advent of 5G home internet that does not provide one with their own unique world routeable IPv4 address, what I envision is folks setting up a VPN on a VPS (cloud based server), so that they can still have access to things on their home networks.

The only extensive modern VPN stuff that I have played with is OpenVPN. In this, the typical setup is the server end has the world routeable address and the clients are connected via NAT with RFC1918 addresses. In this model if you need a port open to something on the client end you'd setup an iptables rule at the VPN server end to forward the needed port to the client end, etc.

To bring one to a model they are familiar with, where all their network stuff (port forwarding and such) is managed at their end, the router; I wonder how can this be done? Does a dual WAN router that allows one to specify one of the WAN ports as a VPN client exsist?

Can OpenVPN (or does one have to use some other VPN technology) be setup to provide some sort of transparent bridge (not sure if thats the way to describe it), so that the WAN address from the VPN server end is effectively passed to the client end (which would be the home router)?

Looking for discussion, links for futher reading and such.

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kb9mwr
Posts: 128
Joined: Tue Dec 03, 2013 10:59 am

Re: Routers VPN and such

Post by kb9mwr » Fri Jun 24, 2022 10:09 pm

TP link ER605 looks interesting and worth playing with. Looks like good ipv6 support is in tp link stuff, I also noticed it uses iptables under the hood, so if I have to telnet/ssh in at least I'll know what I am doing and not have having to deal with some proprietary crap.

I have also been meaning to play with Tinc.

If anyone has experiences with either, I'd love to hear them.

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