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Joined 2 years ago
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Cake day: November 17th, 2022

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  • I think that mitigation requires two things for it to work.

    1. You need to use a a Type 2 hypervisor (like Virtualbox, VMware Workstation/Fusion).
    2. That VM needs to be configured in NAT mode.

    The two primary ways you can configure a network for a local virtual machine are NAT and Bridged.

    Bridged mode places your VM effectively on the same network as your host OS, meaning that any DHCP server that exists on your network (rogue or otherwise) will give your virtual machine and IP.

    In NAT mode, the virtualization platform itself includes a DHCP server to dole out IPs, and handle the routing between your virtual machine and your host OS’s network.

    The thought process is that if you trust your laptop, the DHCP address handed out for NAT mode will not have the VPN breaking DHCP option and your VPN inside the VM will not have it’s route table screwed with.