EDIT: I missed that you don't want NAT. The device below, should be able to run in that mode, but I've only done so with IPv6. Yes, and if you want auto-update

EDIT: I missed that you don't want NAT. The device below, should be able to run in that mode, but I've only done so with IPv6. Yes, and if you want auto-updates, check out the Turris Omnia: https://www.turris.com/en/omnia/overview/ https://www.turris.com/en/omnia/overview/ It's the best wireless router I've ever owned. Pros: - nice simple GUI for your typical stuff - advanced GUI (that runs in parallel) for advanced stuff - auto-updates with timely patches - open source (inc. their additions) -- based on openwrt - developed by a reputable non-profit that's been around since the 90s (CZ.NIC) Cons: - a little pricey - current model is a few years old, so it's not the fastest option out there - the current model doesn't support 802.11ax To turn off the firewall, you just uncheck a box. I think all the other advanced stuff was opt-in.