port forwarding with VirtualBox

Posted by Argh on Server Fault See other posts from Server Fault or by Argh
Published on 2010-04-29T09:48:30Z Indexed on 2010/04/29 9:58 UTC
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I have a virtualbox VM running ubuntu.

The Ubuntu guest is running a web server which listens on port 3000 (

The host machine is windows vista.

I have configured port forwarding using VBoxManage.

If I query the config using VboxManage getextradata "MyMachine", I get

Key: GUI/AutoresizeGuest, Value: on Key: GUI/Fullscreen, Value: off Key: GUI/LastCloseAction, Value: shutdown Key: GUI/LastWindowPostion, Value: 9,34,640,529,max Key: GUI/MiniToolBarAlignment, Value: bottom Key: GUI/MiniToolBarAutoHide, Value: off Key: GUI/SaveMountedAtRuntime, Value: yes Key: GUI/Seamless, Value: off Key: GUI/ShowMiniToolBar, Value: yes Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/GuestPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/HostPort, Value: 3000 Key: VBoxInternal/Devices/pcnet/0/LUN#0/Config/guesthttp/Protocol, Value: TCP

This looks like it should work...

However when I try to access the web server from the host machine (windows box) I dont get a response.

I ran a netstat on the windows box and nothing appears to be listening on port 3000 which explains why forwrding isnt working.

Note that I have already tested with my firewall switched off...

The version of VirtualBox I am using is 3.1.4

Any ideas?

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