Hello @Raz
This is an ever evolving area of the GX and the Meraki Go app.
We don't log firewall rule hits on the GX. However, we are working to add the support for changing and updating firewall rules. The UI has to be carefully considered.
As of today, a wired network on a GX20 can be configured to be secured, where inter-VLAN traffic for this VLAN is denied via L3 firewall rules that are generated.