Re: [radext] Gathering opinions on draft-xue-radext-key-management
Xueli <xueli@huawei.com> Wed, 09 July 2014 02:06 UTC
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From: Xueli <xueli@huawei.com>
To: Alan DeKok <aland@deployingradius.com>
Thread-Topic: [radext] Gathering opinions on draft-xue-radext-key-management
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Date: Wed, 09 Jul 2014 02:06:14 +0000
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Subject: Re: [radext] Gathering opinions on draft-xue-radext-key-management
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Hello Alan Thanks for your comments. >> 3 It is not the issue of Radius, it may be the issue of EAP over Radius.. >> >> At this stage, the authors appreciate your opinions very much for the >next step of this draft. >> Can it be solved in RADEXT? If not, which WG could be the place? > > I think this proposal would have a hard time finding traction anywhere >in the IETF. The security problems with sharing keys are very serious. > Understand.. This scenario is the existing gap right now in WLAN network, also mentioned in other SDO. We will think carefully this security issue. Regards Li >-----Original Message----- >From: radext [mailto:radext-bounces@ietf.org] On Behalf Of Alan DeKok >Sent: Tuesday, July 08, 2014 10:32 AM >To: Xueli >Cc: radext@ietf.org >Subject: Re: [radext] Gathering opinions on >draft-xue-radext-key-management > >Xueli wrote: >> As you know, we presented the draft-xue-radext-key-management (new >version http://tools.ietf.org/id/draft-xue-radext-key-management-03.txt ) >> Which defines the Radius extensions for key delivery between BNG and >AC in some specific scenario. > > I think the general consensus was that this was outside of the scope >of RADIUS. > >> Now the argument is that whether this item is the genuine >Radius/RADEXT problem? > > RADIUS is usually about end-users. Authenticating them, authorizing >them, and performing accounting for them. If you want a general purpose >"remote API" protocol, see Diameter. > >> Radius packet is proposed to resolve this issue because of following >reasons: >> 1 transmit session authorization attributes >> (Key, which is produced during authentication and delivered by Radius >from Server to NAS) > > If the key is transmitted between a RADIUS client and server, then the >transmission can be done as part of a normal RADIUS conversation. If >the key is transmitted somewhere else, then that's a *huge* security >problem. And it doesn't fit the standard RADIUS model. > >> 2 unsolicited messages >> 3 It is not the issue of Radius, it may be the issue of EAP over Radius.. >> >> At this stage, the authors appreciate your opinions very much for the >next step of this draft. >> Can it be solved in RADEXT? If not, which WG could be the place? > > I think this proposal would have a hard time finding traction anywhere >in the IETF. The security problems with sharing keys are very serious. > > Alan DeKok. > >_______________________________________________ >radext mailing list >radext@ietf.org >https://www.ietf.org/mailman/listinfo/radext
- [radext] Gathering opinions on draft-xue-radext-k… Xueli
- Re: [radext] Gathering opinions on draft-xue-rade… Alan DeKok
- Re: [radext] Gathering opinions on draft-xue-rade… Bernard Aboba
- Re: [radext] Gathering opinions on draft-xue-rade… Sam Hartman
- Re: [radext] Gathering opinions on draft-xue-rade… Xueli
- Re: [radext] Gathering opinions on draft-xue-rade… Xueli
- Re: [radext] Gathering opinions on draft-xue-rade… Xueli