Firewall missing from protection features dashboard

when i open the protection tab in bitdefender i see 5 icons (Antivirus, online threat, ransomeware, vulnerability, Advance threat) but no firewall icon. why is it missing/how to restore? My Bluesound application cannot see my network library when bitdefender is running as soon as i deactivate bitdefender it runs fine - so i suspect its a firewall setting in bitdefender. Appreciate the help allan

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