[Opensim-users] NAT & Corporate Firewall

Diva Canto diva at metaverseink.com
Wed Mar 30 15:59:37 UTC 2011


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
> chris.collins at uc.edu <mailto:chris.collins at uc.edu>
>
> 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 <diva at metaverseink.com 
> <mailto:diva at metaverseink.com>> 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>
>>     chris.collins at uc.edu <mailto:chris.collins at uc.edu>
>>
>>     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 <lists at edochan.com
>>     <mailto:lists at edochan.com>> 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 <fleep513 at gmail.com
>>         <mailto:fleep513 at gmail.com>> 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
>>
>>         ed at socialminds.jp <mailto:ed at socialminds.jp>
>>         +81 090 3912 3380 <tel:%2B81%20090%203912%203380>
>>         Skype: edmundedgar
>>         Second Life: Edmund Earp
>>         Linked In: edmundedgar
>>         Twitter: @edmundedgar
>>         http://www.socialminds.jp
>>         _______________________________________________
>>         Opensim-users mailing list
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>>         <mailto:Opensim-users at lists.berlios.de>
>>         https://lists.berlios.de/mailman/listinfo/opensim-users
>>
>>
>>
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