From: Gleb Natapov <gleb@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] mark nic as trusted
Date: Wed, 7 Jan 2009 20:41:03 +0200 [thread overview]
Message-ID: <20090107184103.GA19406@redhat.com> (raw)
In-Reply-To: <4964EC55.4000507@codemonkey.ws>
On Wed, Jan 07, 2009 at 11:54:29AM -0600, Anthony Liguori wrote:
> Anthony Liguori wrote:
>>> That is for secure guest<->host communication over network. Guest has to
>>> know somehow which link host uses for communication. If guest has no way
>>> to know this, another computer on untrusted network can pretend it is
>>> real
>>> host and "own" a guest.
>>
>> So this is for vmchannel? How do you differentiate a real device with
>> that bit set compared to the vmchannel device?
>
> Like if you were doing PCI passthrough of an e1000...
>
It's not just one bit. It is 14 byte string. We can put something unique there.
--
Gleb.
next prev parent reply other threads:[~2009-01-07 18:39 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 14:26 [Qemu-devel] [PATCH] mark nic as trusted Gleb Natapov
2009-01-07 15:04 ` Mark McLoughlin
2009-01-07 15:19 ` Gleb Natapov
2009-01-07 15:41 ` Mark McLoughlin
2009-01-07 16:02 ` Gleb Natapov
2009-01-07 16:34 ` Anthony Liguori
2009-01-07 16:50 ` Gleb Natapov
2009-01-07 17:53 ` Anthony Liguori
2009-01-07 17:54 ` Anthony Liguori
2009-01-07 18:41 ` Gleb Natapov [this message]
2009-01-07 19:26 ` Anthony Liguori
2009-01-07 19:46 ` Gleb Natapov
2009-01-08 19:58 ` Anthony Liguori
2009-01-08 21:26 ` Gleb Natapov
2009-01-08 21:42 ` Anthony Liguori
2009-01-08 22:49 ` Jamie Lokier
2009-01-08 23:14 ` Dor Laor
2009-01-09 10:41 ` Daniel P. Berrange
2009-01-10 2:18 ` Jamie Lokier
2009-01-10 18:22 ` Anthony Liguori
2009-01-11 4:55 ` Jamie Lokier
2009-01-11 7:10 ` Blue Swirl
2009-01-11 14:08 ` Carl-Daniel Hailfinger
2009-01-11 15:07 ` Dor Laor
2009-01-11 15:34 ` Blue Swirl
2009-01-11 16:01 ` Dor Laor
2009-01-12 2:20 ` Jamie Lokier
2009-01-12 8:05 ` Gleb Natapov
2009-01-12 12:26 ` Dor Laor
2009-01-10 2:27 ` Jamie Lokier
2009-01-08 23:26 ` Anthony Liguori
2009-01-10 2:31 ` Jamie Lokier
2009-01-10 18:24 ` Anthony Liguori
2009-01-11 4:40 ` Jamie Lokier
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