On-Premise/Nebula - Configure Sonos and Spotify Connect for Firewall/Switch – Zyxel Support Campus EMEA
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Inter-VLAN Routing/Multicast Help?: pfSense, IGMP Proxy - (Sonos) - Networking & Firewalls - Lawrence Systems Forums
ports opened but still problems when firewall enabled · Issue #5 · pascalopitz/unoffical-sonos-controller-for-linux · GitHub
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