Re: [MEXT] Energy consumption attacks

On Tue, Mar 22, 2011 at 5:05 AM, QIU Ying <[email protected]> wrote:

> This topic is interesting.
>
>
>
> But I am afraid that there is an efficient way to prevent this kind of DOS
> attacks because the mobile node must wake up from sleep to receive and
> process these required messages before simply drop them.
>
>
>
> Could you please provide more details?
>
>
>


Hi Ying, all,

You can also find an example solution briefly described in the following
I-D:

http://tools.ietf.org/html/draft-mutaf-dhoa-00

But protocols are necessary for securely distributing disposable home
addresses to correspondent nodes.

For further discussion you may subscribe to humanresolvers.

Thanks,

Pars


> Regards
>
> Qiu Ying
>
>
>
>
>
> *From:* [email protected] [mailto:[email protected]] *On Behalf Of
> *Pars Mutaf
> *Sent:* Monday, March 21, 2011 7:07 PM
> *To:* [email protected]
> *Subject:* Re: [MEXT] Energy consumption attacks
>
>
>
> Some details that may not be obvious:
>
> The victim consumes energy for:
>
> - Receiving the messages (continuously waking up from sleep mode)
> - Processing them and preparing reply packets (L2 and L3)
> - Sending replies (L2 ACKs and upper layer replies e.g. SIP or TCP replies)
>
> Sending replies especially consumes more energy. It was shown that in
> 802.11 sending 1 bit over the air consumes as much as executing 1,000 CPU
> instructions.
>
> Regards,
>
> Pars
>
> On Mon, Mar 21, 2011 at 11:43 AM, Pars Mutaf <[email protected]> wrote:
>
> Hello,
>
> I was wondering if solutions to energy consumption attacks on battery
> powered mobile hosts would be of interest to IETF Mobile IPv6 community.
>
> The attack consists of sending frequent request packets e.g. SIP INVITE or
> TCP SYN to a victim's home address.
>
> For example, experiments showed that the battery of a mobile phone with
> 802.11 access can be remotely consumed in 3 hours (full battery). Attacks on
> phones using an outdoor technology would result in more energy consumption
> because of the longer distance to the base station.
>
> The victim becomes unusable.
>
> Regards,
>
> Pars
>
>
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