[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
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>>
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