Good afternoon,
If you want to forward ports to a virtualmachine in VirtualBox you should do this:
Create an interface “tap”
#sudo tunctl -u $USER
Set the tap address:
#sudo ip addr add 192.168.0.20/32 dev tap0
# sudo ip link set tap0 up
Enable Ip Forward
# sudo sysctl net.ipv4.ip_forward=1
Add route:
#sudo route add -host 192.168.0.150 dev tap0
Create nat:
# sudo iptables –flush
#sudo iptables -t nat –flush
#sudo iptables -t nat -A POSTROUTING –out-interface eth1 -j MASQUERADE
#sudo iptables -A FORWARD –in-interface eth1 -j ACCEPT
Redirecting port 3333 to 3389:
#iptables -t nat -A PREROUTING -i eth1 -p tcp -d 192.168.0.100 –dport 3333 -j DNAT –to 192.168.0.150:3389
eth1 – Ethernet connected to the router.
192.168.0.150 – IP of virtualmachine
192.168.0.20 – IP of tap
192.168.0.100 – IP of my real machine that receive the connections in 3333
After this configure manually your virtualmachine to:
IP: 192.168.0.150
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.0.100
I had problems with ‘–‘ so here is a file with the commands: Forward ports to a virtualmachine.
Hope this is usefull,
Matheus
References:
IPtables Tutorial
IPTables Port Redirect
VirtualBox, com nat
VBoxManage Port Forward
isso tudo na máquina virtual ou na real?
A ideia é redirecionar coisas da internet por exemplo pra uma maquina virtual, entao como as informacoes na verdade chegam na maquina host voce precisa redirecionar do host pra vm.
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