Re: [leshan-dev] DTLS security error in leshan client server testing

[Simon Bernard <contact@xxxxxxxxxxxxxxx>]

    Hi,
      If you use schandium-1.0.0-M4, you should probably use the
    cf-integration[1] branch of leshan.
      (We will release a new version soon based on it)
      Did you add the security information in Security Tab of the web UI
    ? 
      You should probably change the endpointidentifier in
    LeshanClientExample to set a constant value instead of random value
    (UUID.randomUUID().toString();)
      This endpoint identifier will be needed to fill the security info
    in the web UI.
     
      For now, the DTLS support of Leshan Client is really basic, we
    need to provide a better API and propose a sample for secure
    connection.
    HTH
    
    Simon
    
    [1]https://github.com/eclipse/leshan/tree/cf-integration

Le 16/06/2015 13:48, Kailash Kumar a écrit :

Hi,

I am still stuck at the same issue as mentioned in the earlier post. I tried using Scandium-1.0.0-M4 but then it shows DTLSConnector as deprecated. 

Moreover, I get from the source code that the response code 'FORBIDDEN' comes when 'The End-point Client Name results in a duplicate entry on the LWM2M Server'  but this does not seem the case for me. 

Any help on this is highly appreciated.

-Kailash

On Thu, Jun 11, 2015 at 3:12 PM, Kailash Kumar <chaudhary.kailash10@xxxxxxxxx> wrote:

Hi,

I am trying to test UDP channel security between leshan-standalone server and LeshanClientExample. 

I tried both PSK mode and RPK mode separately by modifying both leshan-standalone and LeshanClientExample accordingly with help of SecurityTest and SecureIntegrationTestHelper classes. In both cases, client shows similar messages like the following-

Jun 11, 2015 2:45:21 PM org.eclipse.californium.scandium.dtls.Handshaker processMessageNext

INFO: Discarded message due to older message_seq: 1, next_receive_seq: 6

Jun 11, 2015 2:45:21 PM org.eclipse.californium.scandium.dtls.Handshaker processMessageNext

INFO: Discarded message due to older message_seq: 2, next_receive_seq: 6

Jun 11, 2015 2:45:21 PM org.eclipse.californium.scandium.dtls.Handshaker processMessageNext

INFO: Discarded message due to older message_seq: 3, next_receive_seq: 6

Jun 11, 2015 2:45:21 PM org.eclipse.californium.scandium.dtls.Handshaker processMessageNext

INFO: Discarded message due to older message_seq: 4, next_receive_seq: 6

Jun 11, 2015 2:45:21 PM org.eclipse.californium.scandium.dtls.Handshaker processMessageNext

INFO: Discarded message due to older message_seq: 5, next_receive_seq: 6

Device Registration (Success? FORBIDDEN)

        Device Registration Error: FORBIDDEN

If you're having issues connecting to the LWM2M endpoint, try using the DTLS port instead.

and server console shows the following messages in RPK and PSK mode-

RPK Mode-

Jun 11, 2015 2:45:20 PM org.eclipse.californium.scandium.DTLSConnector receiveNext

INFO: Created new session as server with peer: /127.0.0.1:59787

PSK Mode-

INFO: Client /127.0.0.1:49739 used PSK identity : Client_identity

Could anyone please tell why the client is not able to register with the server? I am using Scandium-1.0.0-M3 library.

Thanks in Advance.

--

Kailash Kumar

IT Engineer, CMC LTD

Hyderabad,India

--

Kailash Kumar

B.Tech in Electrical Engineering

IIT Delhi, India

+91-7838752742

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