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Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (se
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode |
Date: |
Thu, 3 May 2012 11:06:18 +0200 |
On 03.05.2012, at 11:03, Daniel P. Berrange wrote:
> On Thu, May 03, 2012 at 11:01:29AM +0200, Alexander Graf wrote:
>>
>> On 03.05.2012, at 10:57, Daniel P. Berrange wrote:
>>
>>> On Thu, May 03, 2012 at 10:51:15AM +0200, Alexander Graf wrote:
>>>>
>>>> On 03.05.2012, at 10:29, Daniel P. Berrange wrote:
>>>>
>>>>> On Wed, May 02, 2012 at 03:32:56PM -0400, Paul Moore wrote:
>>>>>> FIPS 140-2 requires disabling certain ciphers, including DES, which is
>>>>>> used
>>>>>> by VNC to obscure passwords when they are sent over the network. The
>>>>>> solution for FIPS users is to disable the use of VNC password auth when
>>>>>> the
>>>>>> host system is operating in FIPS mode.
>>>>
>>>> So that means "no password" is more secure according to FIPS than
>>>> "DES encrypted password"?
>>>
>>> No, FIPS is not making statements about the choice of auth methods.
>>> FIPS is concerned with what encryption algorithms an application uses.
>>> The requirements about whether authentication is required & what sort,
>>> is upto other specifications (eg Common Criteria) to decide.
>>
>> Hrm, so short-term this fixes things. But long-term, I think the
>> better solution would be to implement the tight security model and
>> use a real cipher:
>
> That is certainly possible, but shouldn't have any bearing on whether
> this patch is accepted. Note that QEMU already implements VeNCrypt
> and SASL extensions both of which provide strong security
Hmm. Isn't the syslog message misleading then? Also, why would the whole
password parameter be blocked then?
Alex
- [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Paul Moore, 2012/05/02
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Daniel P. Berrange, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Alexander Graf, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Daniel P. Berrange, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Alexander Graf, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Daniel P. Berrange, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode,
Alexander Graf <=
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Daniel P. Berrange, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Alexander Graf, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Paul Moore, 2012/05/03
- Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Alexander Graf, 2012/05/03
Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Paul Moore, 2012/05/03
Re: [Qemu-devel] [PATCH v2] vnc: disable VNC password authentication (security type 2) when in FIPS mode, Alexander Graf, 2012/05/03