[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge
From: |
Arnd Bergmann |
Subject: |
Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge |
Date: |
Sun, 8 Nov 2009 08:43:25 +0000 |
User-agent: |
KMail/1.12.2 (Linux/2.6.31-14-server; KDE/4.3.2; x86_64; ; ) |
On Sunday 08 November 2009 08:27:41 Avi Kivity wrote:
> On 11/08/2009 12:11 AM, Anthony Liguori wrote:
> >
> >> You don't need root privileges to use a tap device.
> >
> > You can access a preconfigured tap device but you cannot allocate a
> > tap device and connect it to a bridge without CAP_NET_ADMIN.
>
> btw, shouldn't we, in the general case, create a bridge per user and use
> IP NAT? If we have a global bridge, users can spoof each other's MAC
> addresses and interfere with their virtual machines. They can also
> interfere with the real network.
>
> That's not a concern with most one-user-per-machine configurations, but
> the default configuration should be safe.
It also depends a lot on what you want to do with the virtual machine.
If you want to run a game or a legacy application in a different operating
system on your desktop, a NATed bridge is ideal, but it does not work
on a server if the guest wants to listen on a socket with its own IP address.
Arnd <><
- [Qemu-devel] [PATCH 4/4] Add support for -net bridge, (continued)
- [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Anthony Liguori, 2009/11/03
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, David Woodhouse, 2009/11/07
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Anthony Liguori, 2009/11/09
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Jamie Lokier, 2009/11/09
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Anthony Liguori, 2009/11/09
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Jamie Lokier, 2009/11/09
- Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge, Avi Kivity, 2009/11/10
[Qemu-devel] [PATCH 1/4] Add basic version of bridge helper, Anthony Liguori, 2009/11/03
[Qemu-devel] [PATCH 3/4] Add cap reduction support to enable use as SUID binary, Anthony Liguori, 2009/11/03
Re: [Qemu-devel] [PATCH 0/4] net-bridge: rootless bridge support for qemu, Alexander Graf, 2009/11/04