Return-Path: Subject: Re: [Bluez-devel] Question about l2ping: 0 bytes always From: Marcel Holtmann To: BlueZ Mailing List In-Reply-To: References: Content-Type: text/plain Message-Id: <1105963645.8080.42.camel@pegasus> Mime-Version: 1.0 Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net Reply-To: bluez-devel@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ development List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 17 Jan 2005 13:07:25 +0100 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 ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel