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+++
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title = "VPN tunnel into HAMNET on Fedora 36"
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summary = """Those old tutorials on the net are quite outdated now: unfortunately
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PPTP links/tunnels are not supported on newer operating systems any more..."""
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date = "2022-10-16T21:26:40+02:00"
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#lastmod = ""
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categories = ["amateur-radio"]
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tags = ["hamnet","fedora","networking","linux"]
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+++
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Since none of the found instructions worked for me: here are my settings
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of my VPN tunnel into HAMNET. I'm currently using Fedora 36 on my main notebook
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and Fedora removed PPTP support back in Fedora 35---I could not get the PPTP
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tunnel working.
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## L2TP client
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I found a document that shows the creation of an L2TP tunnel on MacOS and I
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used that as my starting point.
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First of all, install NetworkManager-l2tp-gnome:
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~~~console
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$ sudo dnf install NetworkManager-l2tp-gnome
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~~~
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After that, create the new VPN tunnel in `Settings` → `Network` → `VPN`.
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Click the <kbd>+</kbd> button and select `Layer 2 Tunneling Protocol (L2TP)`
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and fill in the settings that you got from your Administrator (usually where
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you got your login data). I got mine from [RWTH Aachen in Germany][1].
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[1]: https://www.afu.rwth-aachen.de/projekte/hamnet/anwendungen/vpn-zugang
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{{< figure src="hamnetvpn01.png" alt="basic settings"
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caption="Basic settings. Enter login data." >}}
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{{< figure src="hamnetvpn02.png" alt="IPv4 settings"
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caption="IPv4 settings. Those work for my setup at home." >}}
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{{< figure src="hamnetvpn03.png" alt="IPv6 settings"
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caption="I'm not using IPv6 at home..." >}}
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{{< figure src="hamnetvpn04.png" alt="IPSec settings"
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caption="Somehow that setup only worked when I removed this setting?" >}}
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{{< figure src="hamnetvpn05.png" alt="PPP settings"
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caption="And I ended up using those settings for PPP" >}}
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## More information
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I've also found some more links---just when I finished formatting this article.
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It looks like the following article is online since 2018; but I found this after
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I started using the L2TP tunnel that I just created a few hours before. It
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describes the setup of an OpenVPN client, but it is limited to users with a
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static HAMNET IP address.
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- Original article found on HAMNET
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<http://web.db0sda.ampr.org/projekte/hamnet/anwendungen/vpn-zugang/openvpn-hamnet-dial-in>
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- Also available on normal internet
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<https://www.afu.rwth-aachen.de/projekte/hamnet/anwendungen/vpn-zugang/openvpn-hamnet-dial-in>
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