Re: [Opensim-users] NAT & Corporate Firewall

Wed, 30 Mar 2011 08:59:33 -0700 

That sounds like a firewall problem.

On 3/30/2011 8:49 AM, Fleep Tuque wrote:

Yep no luck with that one either.

[University of Cincinnati]
RegionUUID = 5985af1b-4223-4a12-ba87-1c3830a44e97
Location = 9000,9000
InternalAddress = 0.0.0.0
InternalPort = 9000
AllowAlternatePorts = False
ExternalHostName = ucsim1.irc.uc.edu <http://ucsim1.irc.uc.edu>

This is what I see on the opensim.log:
2011-03-30 11:44:07,114 DEBUG - OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation.LocalSimulationConnectorModule [LOCAL SIMULATION CONNECTOR]: Found region University of Cincinnati to send SendCreateChildAgent 2011-03-30 11:44:07,118 INFO - OpenSim.Region.Framework.Scenes.Scene [CONNECTION BEGIN]: Region University of Cincinnati told of incoming root agent Fleep Tuque 883317bb-bcf1-4e5b-82f1-330f24fb32a7 (circuit code 871509482, teleportflags 128) 2011-03-30 11:44:07,344 INFO - OpenSim.Region.Framework.Scenes.Scene [CONNECTION BEGIN]: Region University of Cincinnati authenticated and authorized incoming root agent Fleep Tuque 883317bb-bcf1-4e5b-82f1-330f24fb32a7 (circuit code 871509482) 2011-03-30 11:44:07,348 DEBUG - OpenSim.Region.CoreModules.Agent.Capabilities.CapabilitiesModule [CAPS]: Reregistering caps for agent 883317bb-bcf1-4e5b-82f1-330f24fb32a7. Old caps path e89d38e3-fc0c-4c17-bf91-2b0e73b89735, new caps path 00e226b9-6b4a-4025-974b-c813725f6b52. 2011-03-30 11:44:07,350 DEBUG - OpenSim.Framework.Capabilities.Caps [CAPS]: Registered seed capability /CAPS/00e226b9-6b4a-4025-974b-c813725f6b520000/ for 883317bb-bcf1-4e5b-82f1-330f24fb32a7 2011-03-30 11:44:07,353 DEBUG - OpenSim.Region.CoreModules.Framework.EventQueue.EventQueueGetModule [EVENTQUEUE]: Found Existing UUID! 2011-03-30 11:44:07,356 INFO - OpenSim.Region.CoreModules.Avatar.ObjectCaps.ObjectAdd [OBJECTADD]: /CAPS/OA/65e157bc-6345-4ab3-bd27-a9d9074b4768/ 2011-03-30 11:44:07,359 INFO - OpenSim.Region.CoreModules.Avatar.ObjectCaps.GetTextureModule [GETTEXTURE]: /CAPS/30f93e03-8f90-45d7-a6ee-a8e3c9fda71f 2011-03-30 11:44:13,837 DEBUG - OpenSim.Framework.Capabilities.Caps [CAPS]: Seed Caps Request in region: University of Cincinnati 2011-03-30 11:44:13,840 DEBUG - OpenSim.Region.Framework.Scenes.Scene [SCENE]: Incoming client Fleep Tuque in region University of Cincinnati via regular login. Client IP verification not performed.
On the client side it gets to Region Handshake and then hangs.. Users from on campus are still able to log in though. 

- Chris /Fleep


Chris M. Collins (SL: Fleep Tuque)
Project Manager, UC Second Life
Second Life Ambassador, Ohio Learning Network
UCit Instructional & Research Computing
University of Cincinnati
406E Zimmer Hall
PO Box 210088
Cincinnati, OH 45221-0088
(513)556-3018
[email protected] <mailto:[email protected]>

UC Second Life: http://homepages.uc.edu/secondlife
OLN Second Life: http://www.oln.org/emerging_technologies/emtech.php
On Wed, Mar 30, 2011 at 11:17 AM, Diva Canto <[email protected] <mailto:[email protected]>> wrote: 

    Try the missing combination
    InternalAddress=0.0.0.0 ExternalHostName=ucsim1.irc.uc.edu
    <http://ucsim1.irc.uc.edu>


    On 3/30/2011 8:11 AM, Fleep Tuque wrote:

    Hi Edmund,

    Nod I've tried that permutation too, no luck.  Here are the
    combinations I've tried so far:

    Test 1:  InternalAddress = 10.23.23.x  ExternalHostName = 129.137.2.x
    Result On-Campus: FAIL Result Off-Campus: FAIL

    Test 2: InternalAddress = 0.0.0.0 ExternalHostName = 129.137.2.x
    Result On-Campus: FAIL Result Off-Campus: FAIL

    Test 3: InternalAddress = 10.23.23.x ExternalHostName =
    ucsim1.irc.uc.edu <http://ucsim1.irc.uc.edu>
    Result On-Campus: SUCCESS Result Off-Campus: FAIL

    Test 4: InternalAddress = ucsim1.irc.uc.edu
    <http://ucsim1.irc.uc.edu> ExternalHostName = ucsim1.irc.uc.edu
    <http://ucsim1.irc.uc.edu>
    Result: Opensim.exe crashes

    Leaving at the default InternalAddress = 0.0.0.0 and
    ExternalHostName = SYSTEMIP works for on campus users but not for
    off campus users.

    Has anyone else run into this problem with a campus or corporate
    firewall?  How did you resolve it?

    Thanks again,

    - Chris


    Chris M. Collins (SL: Fleep Tuque)
    Project Manager, UC Second Life
    Second Life Ambassador, Ohio Learning Network
    UCit Instructional & Research Computing
    University of Cincinnati
    406E Zimmer Hall
    PO Box 210088
    Cincinnati, OH 45221-0088
    (513)556-3018 <tel:%28513%29556-3018>
    [email protected] <mailto:[email protected]>

    UC Second Life: http://homepages.uc.edu/secondlife
    OLN Second Life: http://www.oln.org/emerging_technologies/emtech.php




    On Wed, Mar 30, 2011 at 11:03 AM, Edmund Edgar <[email protected]
    <mailto:[email protected]>> wrote:

        Hi Fleep.

        Maybe you've already tried this, but I'd suggest setting
        ExternalHostName as your external IP (129.137.2.x) rather
        than your
        hostname (ucsim1.irc.uc.edu <http://ucsim1.irc.uc.edu>).

        Behind NAT, some places (including Amazon EC2, I found) use
        an (IMHO
        evil) thing called Split DNS (or "Split Brain DNS"), where the IP
        address you get inside the firewall is different to the one
        you get
        outside your firewall. This may be causing your OpenSim box
        to think
        that ucsim1.irc.uc.edu <http://ucsim1.irc.uc.edu> is
        10.23.23.x rather than 129.137.2.x.

        HTH, let us know how you get on.

        On 30 March 2011 23:44, Fleep Tuque <[email protected]
        <mailto:[email protected]>> wrote:
        > the client
        > correctly uses the external IP to communicate with the
        robust server, but
        > after the authentication process, I see the client trying
        to send packets to
        > the simulator machine's internal IP (10.23.23.x) instead of
        an external IP
        > address (129.137.2.x).
        > [snip]
        > In the region.ini file I've tried
        > various permutations of the InternalAddress and
        ExternalHostName variables,
        > currently InternalAddress is set to the internal IP
        10.23.23.x and the
        > ExternalHostName is set to the hostname ucsim1.irc.uc.edu
        <http://ucsim1.irc.uc.edu> (the box running
        > opensim.exe).

        --
        Edmund Edgar
        Founder, KK Social Minds
        Educational Technology for the Web and Virtual Worlds

        [email protected] <mailto:[email protected]>
        +81 090 3912 3380 <tel:%2B81%20090%203912%203380>
        Skype: edmundedgar
        Second Life: Edmund Earp
        Linked In: edmundedgar
        Twitter: @edmundedgar
        http://www.socialminds.jp
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