this post was submitted on 01 Nov 2024
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Hello,

Just spent a good week installing my home server. Time to pause and lookback to what I've setup and ask your help/suggestions as I am wondering if my below configuration is a good approach or just a useless convoluted approach.

I have a Proxmox instance with 3 VLAN:

  • Management (192.168.1.x) : the one used by proxmox host and that can access all other VLANs

  • Servarr (192.168.100.x) : every arr related software + Jellyfin (all LXC). All outbound connectivity goes via VPN. Cant access any VLAN

  • myCloud (192.168.200.X): WIP, but basically planning to have things like Nextcloud, Immich, Paperless etc...

The original idea was to allow external access via Cloudlfare tunnel but finally decided to switch back to Tailscale for "myCloud" access (as I am expected to share this with less than 5 accounts). So:

  • myCloud now has Tailscale running on it.
  • myCloud can now access Servarr VLAN

Consequently to my choice of using tailscale, I had now to use a DNS server to resolve mydomain.com:

  • Servarr now has pihole as DNS server reachable across all VLAN

On the top of all that I have yet another VLAN for my raspberry Pi running Vaultwarden reachable only via my personal tailscale account.

I'm open to restart things from scratch (it's fun), so let me know.

Also wondering if using LXCs is better than docker especially when it comes to updates and longer term maintenance.

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[–] just_another_person@lemmy.world -1 points 1 week ago (8 children)

You are aware that being on the router would have access to ALL the ingress and egress interfaces, right?

[–] curbstickle@lemmy.dbzer0.com 1 points 1 week ago (7 children)

That's not how any of this works.... At all.

No, its managed by the firewall. The existence of a VLAN does not grant it access to egress. The firewall needs to permit that behavior.

Your entire understanding of how a logical network works is wrong. I'm not trying to be a dick - this is just really bad information that you're sharing.

[–] just_another_person@lemmy.world 0 points 1 week ago* (last edited 1 week ago) (6 children)

JFC 🤦

How are you NOT understanding what OP thinks is happening, versus what you thinks is happening?

If I get shell access to this router I have access to ALL NETWORKS. VLAN won't help any of this.

[–] curbstickle@lemmy.dbzer0.com 0 points 1 week ago

Thats my line.

I'm also done having any sort of discussion with you, there is a fundamental misunderstanding of logical network design here, and I have no interest in correcting that. Enjoy your day.

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