From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] Question about l2ping: 0 bytes always
Date: Mon, 17 Jan 2005 13:07:25 +0100 [thread overview]
Message-ID: <1105963645.8080.42.camel@pegasus> (raw)
In-Reply-To: <B72A22937C14184DB0AF3324476E9C791A53FC@MBOX22.stu.nus.edu.sg>
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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prev parent reply other threads:[~2005-01-17 12:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-17 11:58 [Bluez-devel] Question about l2ping: 0 bytes always Khoo Teck Ping
2005-01-17 12:07 ` Marcel Holtmann [this message]
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