VM firewall configuration (linux - ubuntu 22) with virtualbox | pressku.com

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I person created 4 VMs pinch Virtual box, which play nan pursuing roles:

1 ubuntu server, which acts arsenic a firewall 1 ubuntu server acting arsenic a web server 1 windows server for progressive directory 1 windows 11 I've configured 3 VM interfaces arsenic "internal network" connected Virtual Box (each successful its ain subnet). I want nan windows VM to beryllium capable to link to nan Internet via nan 4th firewall interface, which must beryllium connected to nan router.

How do I configure this interface connected Netplan et sur VirtualBox (which type to take : NAT, NAT network, ...)?

Here's my existent firewall VM interface configuration:

network: version: 2 renderer: NetworkManager ethernets: # connected to windows vm eth0: addresses: [192.168.101.254/28] routes: - to: 192.168.102.240 via: 192.168.102.254 - to: 192.168.103.240 via: 192.168.103.254 nameservers: addresses: [8.8.8.8, 8.8.4.4] dhcp4: false dhcp6: false eth1: addresses: [192.168.102.254/28] routes: - to: 192.168.101.240 via: 192.168.101.254 - to: 192.168.103.240 via: 192.168.103.254 nameservers: addresses: [8.8.8.8, 8.8.4.4] dhcp4: false dhcp6: false eth2: addresses: [192.168.103.254/28] routes: - to: 192.168.101.240 via: 192.168.101.254 - to: 192.168.102.240 via: 192.168.102.254 nameservers: addresses: [8.8.8.8, 8.8.4.4] dhcp4: false dhcp6: false # to beryllium connected to router eth3:
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