the flint is online via wan2 and wan1 and when disconnected the pc navigates but the app says offline

I don’t really understand the question - what do you want to know?

I read offline while the flint is connected to the wan2 port

connections from other WAN ports excluding WAN 1 are not recognized

There is no WAN2 - that explains why it isn’t able to detect the network status then.

from luci I created 3 wan load balance. attacking wan 1 and wan 2 detects the network but attacking only wan 2 does not detect the network but the internet is connected only on wan 2

I don’t know how the connection tracking works, I am sorry. Not even sure if it’s builtin luci or glinet.