AFAIK this is true only if the Nethserver is the gateway of the LAN.
I think that the OP has a configuration where the Nethserver is only a server inside the LAN
I proposed this solution:
AFAIK this is true only if the Nethserver is the gateway of the LAN.
I think that the OP has a configuration where the Nethserver is only a server inside the LAN
I proposed this solution: