I have a set of instructions I received some time back (2 years+?) And they do not seem to apply to BD 2019. They are/were as follows:
Open the Bitdefender window.
Click the Settings button on the upper toolbar..
In the Settings Overview window, select Firewall.
In the Firewall Settings window, select the Settings tab.
Under Firewall Rules, click Adapter Rules.
To add a zone, click the corresponding button. A new window displaying the IP addresses of the devices connected to the network will appear.
Select the IP address of the computer or the printer you want to add, or type an address or address range in the provided text box.
Go to Permission and select Allow.
How do I modify these so that I can get BD to allow my printer and scanner to communicate with my PC?