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force QEMU VMs network through a VPN
2024-08-09 01:38:06 +02:00
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<a href="../anon.html">Previous Page</a></br></br><p><img src="../../assets/img/user.png" width="50px" height="50px"> <ba>nihilist@mainpc - 2024-08-08</ba></p>
<h1>Route QEMU VMs through a Host OS VPN </h1>
<p> </p>
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<h2><b>Initial Setup </b></h2>
<p>First, install the VPN like we saw previously <a href="../vpn/index.html">here</a>, but the only difference being that we now install it on the Host OS, rather than inside the VM.</p>
<pre><code class="nim">
# Download the Mullvad signing key
sudo curl -fsSLo /usr/share/keyrings/mullvad-keyring.asc https://repository.mullvad.net/deb/mullvad-keyring.asc
# Add the Mullvad repository server to apt
echo "deb [signed-by=/usr/share/keyrings/mullvad-keyring.asc arch=$( dpkg --print-architecture )] https://repository.mullvad.net/deb/stable $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/mullvad.list
# Or add the Mullvad BETA repository server to apt
echo "deb [signed-by=/usr/share/keyrings/mullvad-keyring.asc arch=$( dpkg --print-architecture )] https://repository.mullvad.net/deb/beta $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/mullvad.list
# Install the package
sudo apt update
sudo apt install mullvad-vpn
# Connect to Mullvad VPN
mullvad account login
Enter an account number: 91320912809328832
Mullvad account "91320912809328832" set
# Connect to the VPN:
mullvad lockdown-mode set on
mullvad connect
curl ifconfig.me
194.127.199.92
</code></pre>
<p>Then, configure mullvad as follows:</p>
<img src="0.png" >
<img src="1.png" >
<img src="2.png" >
<p>From there you'll have the tun0 network interface available, which we can use in the QEMU VM XML configuration: </p>
<img src="3.png" class="imgRz">
<p>As you can see here, we have the tun0 interface, with the 10.5.0.0/16 subnet, so we'll use a smaller subnet within that same subnet to create our VPN NAT configuration:</p>
<img src="4.png" class="imgRz">
<p>Then use it on your VM configuration like so:</p>
<img src="5.png" class="imgRz">
<p>And then once applied, you can check if it works as intended from inside the VM, by going to <a href="https://mullvad.net/en/check">https://mullvad.net/en/check</a></p>
<img src="6.png" class="imgRz">
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<h2><b>Whonix VPN -> Tor Setup </b></h2> </br> </br>
<p>As we explained previously <a href="../torthroughvpn/index.html">here</a>, if your ISP does not allow Tor traffic, you need to hide it behind a VPN. And when you want to use Anonymity on the VM itself. One simple way to do it is te the traffic through a Host-based VPN like we showcased above. </p>
<p>The existing Whonix-External network looks like so by default:</p>
<pre><code class="nim">
<<b></b>network>
<<b></b>name>Whonix-External<<b></b>/name>
<<b></b>uuid>1775d1fe-1606-4962-a3a6-b7b451b9442e<<b></b>/uuid>
<<b></b>forward mode="nat">
<<b></b>nat>
<<b></b>port start="1024" end="65535"/>
<<b></b>/nat>
<<b></b>/forward>
<<b></b>bridge name="virbr1" stp="on" delay="0"/>
<<b></b>mac address="52:54:00:66:89:bb"/>
<<b></b>ip address="10.0.2.2" netmask="255.255.255.0">
<<b></b>/ip>
<<b></b>/network>
</code></pre>
<p>And it needs to be changed to the following:</p>
<pre><code class="nim">
<<b></b>network>
<<b></b>name>Whonix-External<<b></b>/name>
<<b></b>forward dev='tun0' mode='nat'/>
<<b></b>bridge name='virbr1' stp='on' delay='0'/>
<<b></b>ip address='10.0.2.2' netmask='255.255.255.0'>
<<b></b>/ip>
<<b></b>/network>
</code></pre>
<p>So do the following:</p>
<img src="7.png" class="imgRz">
<img src="8.png" class="imgRz">
<img src="9.png" class="imgRz">
<img src="10.png" class="imgRz">
<p>And that's it! We now have a (VPN -> Tor) setup, in case if your ISP doesn't allow Tor traffic, concealing it behind the VPN.</p>
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