In WSL 2 the nameserver is the Windows host OS. That's how you get the IP of the host if that's what you're talking about. export WINHOST=$(cat /etc/resol

In WSL 2 the nameserver is the Windows host OS. That's how you get the IP of the host if that's what you're talking about. export WINHOST=$(cat /etc/resolv.conf | grep nameserver | awk '{print $2; exit;}') Because the Linux VM in WSL 2 is a "different" computer, mostly, according to Windows, there may be firewall trouble, I suppose.