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Self-Hosted Alternatives to Popular Services·/u/eppraaaa·3 days ago
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Hi, I'm struggling with a network issue on a Docker Compose stack for Scanopy. The setup is hosted on an Ubuntu VM inside Proxmox, behind a pfSense firewall. The web UI and Postgres DB are running fine, and the daemon container shows as healthy. But whenever I try to start a discovery scan, the UI just stays stuck forever on "Pending: Ready to start — connecting to daemon". My Ubuntu host IP is 192.168.2.50. The daemon absolutely needs network_mode: host because it has to sniff the actual physical network for discoveries. The web server and database are on a standard docker bridge network (scanopy). I checked my pfSense logs and I see blocked IPv6 mDNS traffic (port 5353 to ff02::fb) on the WAN side, but my internal LAN has an allow-all rule for both IPv4 and IPv6, so internal traffic shouldn't be blocked. I'm pretty sure the bridge container (server) just can't route its requests to the host-network container (daemon) properly.…

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