* [Bluez-devel] Question about l2ping: 0 bytes always
@ 2005-01-17 11:58 Khoo Teck Ping
2005-01-17 12:07 ` Marcel Holtmann
0 siblings, 1 reply; 2+ messages in thread
From: Khoo Teck Ping @ 2005-01-17 11:58 UTC (permalink / raw)
To: bluez-devel
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Bluez-devel] Question about l2ping: 0 bytes always
2005-01-17 11:58 [Bluez-devel] Question about l2ping: 0 bytes always Khoo Teck Ping
@ 2005-01-17 12:07 ` Marcel Holtmann
0 siblings, 0 replies; 2+ messages in thread
From: Marcel Holtmann @ 2005-01-17 12:07 UTC (permalink / raw)
To: BlueZ Mailing List
Hi Teck,
> I am able to run l2ping, attempting to send and receive packets from my linux box to my sony ericsson T630. However the output is always
>
> 0 bytes from xx:xx:xx:xx:xx id x time x ms.
>
> It always ends with x bytes sent, x bytes received, 0% loss.
>
> Is this the correct output?
according to the L2CAP part of the specification the device can send you
whatever echo responds it wants. This includes a zero byte response and
for security reasons this is good, because we have seen DoS attacks when
they are unable to handle big echo packets.
Regards
Marcel
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