Forwarding is disabled by default:
Get-NetIPInterface | Select-Object ifIndex,InterfaceAlias,ConnectionState,Forwarding
ifIndex InterfaceAlias                     ConnectionState Forwarding
------- --------------                     --------------- ----------
     57 vEthernet (WSL (Hyper-V firewall))       Connected   Disabled
     38 vEthernet (Default Switch)               Connected   Disabled
     17 Ethernet 2                            Disconnected   Disabled
     14 Local Area Connection* 10             Disconnected   Disabled
     22 Local Area Connection* 9              Disconnected   Disabled
     18 OpenVPN Connect DCO Adapter           Disconnected   Disabled
      7 Wi-Fi                                    Connected   Disabled
      5 Local Area Connection                 Disconnected   Disabled
      1 Loopback Pseudo-Interface 1              Connected   Disabled
     57 vEthernet (WSL (Hyper-V firewall))       Connected   Disabled
     38 vEthernet (Default Switch)               Connected   Disabled
     17 Ethernet 2                            Disconnected   Disabled
     14 Local Area Connection* 10             Disconnected   Disabled
     22 Local Area Connection* 9              Disconnected   Disabled
     18 OpenVPN Connect DCO Adapter           Disconnected   Disabled
      7 Wi-Fi                                    Connected   Disabled
      5 Local Area Connection                 Disconnected   Disabled
      1 Loopback Pseudo-Interface 1              Connected   Disabled

