if there are devices on the network but they are protected by a firewall and do not respond to ping and broadcast packets, then your program does not see these devices. there are open ports on the devices, for example SMB, but your program does not see it.
To search for such devices, please add scanning directly of individual ports in the range from 1 to 1024 (popular ports)
if there are devices on the network but they are protected by a firewall and do not respond to ping and broadcast packets, then your program does not see these devices. there are open ports on the devices, for example SMB, but your program does not see it.
To search for such devices, please add scanning directly of individual ports in the range from 1 to 1024 (popular ports)