Hello, I habe a new Problem. My HP Envy 4500 Printer is connected to my QNAP via USB and shared to the Network. Without Sophos Firewall XG all working fine, now, i can't print. My QNAP received nothing to print from my Laptop. What Port i have to Open? I have a Police / rule to all networks, Services etc, but thats not solved my Problem
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