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oe7drt-website/content/posts/2022-10-16-vpn-tunnel-into-.../index.md

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+++ title = "VPN tunnel into HAMNET on Fedora 36" summary = """Those old tutorials on the net are quite outdated now: unfortunately PPTP links/tunnels are not supported on newer operating systems any more...""" date = "2022-10-16T21:26:40+02:00" #lastmod = "" categories = ["amateur-radio"] tags = ["hamnet","fedora","networking","linux"]

+++

Since none of the found instructions worked for me: here are my settings of my VPN tunnel into HAMNET. I'm currently using Fedora 36 on my main notebook and Fedora removed PPTP support back in Fedora 35---I could not get the PPTP tunnel working.

L2TP client

I found a document that shows the creation of an L2TP tunnel on MacOS and I used that as my starting point.

First of all, install NetworkManager-l2tp-gnome:

$ sudo dnf install NetworkManager-l2tp-gnome

After that, create the new VPN tunnel in Settings → Network → VPN.

Click the + button and select Layer 2 Tunneling Protocol (L2TP) and fill in the settings that you got from your Administrator (usually where you got your login data). I got mine from RWTH Aachen in Germany.

{{< figure src="hamnetvpn01.png" alt="basic settings" caption="Basic settings. Enter login data." >}}

{{< figure src="hamnetvpn02.png" alt="IPv4 settings" caption="IPv4 settings. Those work for my setup at home." >}}

{{< figure src="hamnetvpn03.png" alt="IPv6 settings" caption="I'm not using IPv6 at home..." >}}

{{< figure src="hamnetvpn04.png" alt="IPSec settings" caption="Somehow that setup only worked when I removed this setting?#*!" >}}

{{< figure src="hamnetvpn05.png" alt="PPP settings" caption="And I ended up using those settings for PPP" >}}

More information

I've also found some more links---just when I finished formatting this article.

It looks like the following article is online since 2018; but I found this after I started using the L2TP tunnel that I just created a few hours before. It describes the setup of an OpenVPN client, but it is limited to users with a static HAMNET IP address.