Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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Encryption would be a good idea between the service and the reverse proxy. I’d also look into Proxmox firewall, which is pretty robust. Here’s the link to the documentation: https://pve.proxmox.com/pve-docs/pve-admin-guide.html#chapter_pve_firewall. Definitely worth perusing.
I've got firewall set up, services are only accessible through the reverse proxy, was more concerned about something like logging into keycloak and having the password leaked with MitM or another attack of the sort.
Gotcha. That makes sense. My own thoughts are that if you mitigate all of the attack surfaces you can, it ends up coming down to the robustness of the particular app. I’ve never played with keycloak, so can’t speak intelligently about that, but I’ve got authentik setup in a similar configuration. I limit access so the only way in is via either the reverse proxy or the PVE console and basically keep an ear out for security and software updates.
As I type this, it occurs to me that perhaps there’s a fail2ban integration that could be added to limit credential guessing at the keycloak webui.
I've got 2FA set up and required, so I'm not too worried about brute force attacks.