Tom,
    Regarding the connection refused on ports 9001-9004.  It's likely the 
remote port testing site only detects listening TCP ports.  I assume your login 
URL (TCP) points to port 9000.  That would account for success on port 9000.  
The other ports are open but the server is only listening on UDP there so TCP 
communication would be 'refused.' 
- Gary Beck

----- Original Message ----- 
  From: Tom Willans 
  To: [email protected] 
  Sent: Sunday, April 21, 2013 3:36 PM
  Subject: Re: [Opensim-users] External Access to standalone


  Thank you to everyone who helped all is now working - simple when it works!  
I have a standalone diva distribution (0.75 opensim) with 5 regions working 
(ports 9000-9004)  and 3 simultaneous avatars working with insignificant lag, 
even with my ancient Pentium 4 Processors.  Curiously 
http://www.canyouseeme.org/  reports ports 9001-9004 as connection refused 
which proved to be a red herring. 


  The primary issues related to the dynamic address not updating as expected 
and configuring the BT Home Hub 3 router (there is a lot of confusion on the 
web regarding versions A or B and firmware updates e.g. NAT loop back or not.) 
. 


  -    A dynamic dns service linked a url to my address to my routers external 
address (dynamic)
  -    The ExternalHostName was set to this external URL in both the 
MyWorld.ini and Region.ini files e.g. Region Config.ini
  -    Port forwarding was set up for TCP and UDP on ports 9000-9004.


  BT Home Hub 3 despite many BT community forum blogs comments must now be 
supporting NAT loop back (the router recognises that the external url refers to 
its own address). I am now able to access the server over the internal LAN as 
well. I need to add the BT Home Hub 3 to the open simulator site as working.


  Next step is making is to make this robust/backups etc. Oh and recruit 
participants :)


  Thanks again.








  Tom Willans  BSc(Hons)  MBCS  CITP
  PhD Student
  Serious Games Institute, Coventry University
  United Kingdom


  Managing Director Bessacarr Publications Ltd
  Senior Research Representative:Engineering and Computing
  +44 (0)121 288 0281
  email: [email protected]
  skype: tom.willans
  Second Life and OSGrid: Tom Tiros






  Sent from my iPad

  On 17 Apr 2013, at 12:59, Fleep Tuque <[email protected]> wrote:


    Hi Tom,


    This is a fairly common question that can have a number of different root 
causes.  


    It might be helpful to go over the details of exactly what happens when you 
try to log in.  Based on my understanding and previous posts from Justin, Diva 
and others, this is my understanding of how it works:  When you start up the 
client and enter your name/password, it sends those details to the OpenSim 
login service. If your password is correct, it tells the region simulator that 
you're coming.  The login service then sends back to your client the IP address 
and port to use to enter that region based on the information in the 
regions.ini configuration file.  Your client then connects to the region using 
those details.  


    If you are stuck at "Connecting to Region.." or "Waiting for region 
handshake..." then your client successfully connected to the Opensim login 
service, but the information it is using to try to connect to the region (IP 
address and port number) is not allowing the connection.  This can be any 
number of issues related to your networking setup.  


    1)  Check to make sure you have the correct ports open on your router and 
firewall by reviewing the Opensim Network Settings page and Firewall settings 
page.  You can verify this by using 3rd party port checker software, I've used 
this successfully:  http://portforward.com/help/portcheck.htm


    2)  If you are on a home network, make sure your router supports NAT 
Loopback, per the instructions on the Opensim wiki:  
http://opensimulator.org/wiki/NAT_Loopback_Routers


    3)  If you do not have a router that supports NAT Loopback, or are on a 
corporate or campus network with 1-to-1 NATing, you will need to have an 
external static IP address assigned to your server for users outside your 
network to connect.  See this thread for more information:  
http://opensim-users.2152040.n2.nabble.com/NAT-amp-Corporate-Firewall-td6223654.html


    I run FleepGrid from home and since my router didn't support NAT Loopback, 
I got a static IP address from my ISP and that resolved all my issues with 
people not being able to connect from outside my home network.


    Hope this info is helpful.  Good luck and let us know how it goes!


    - Chris/Fleep




    Chris M. Collins (SL/OS: Fleep Tuque)
    Center for Simulations & Virtual Environments Research (UCSIM)
    UCIT Instructional & Research Computing
    University of Cincinnati
    406A Zimmer Hall
    315 College Drive
    PO BOX 210088
    Cincinnati, OH 45221-0088
    [email protected]
    (513) 556-3018


    http://ucsim.uc.edu






    On Wed, Apr 17, 2013 at 12:44 AM, Tom <[email protected]> wrote:

      I am trying to gain external access to my OS standalone server "Diva".  
On the internal network all is fine even using my external url (via dynamic 
dns). The  External login gets as far as [SCENE]: Region Central authenticated 
and authorized incoming root agent XXXXX (circuit code 230241706) (using the 
rest console).  Firestorm then fails giving the message "Waiting for region 
handshake" after a number of attempts. 


      The IP address is redirected using dynamic dns, the host machine has a 
reserved IP address.  Port forwarding for both TCP and UDP are set to 
9000..9004 to this machine is set up. I have the same problem with an without 
the firewall on (but forwarding set).


      I am able to access the diva Wifi, webpage and use the rest console for 
this machine. ssh works fine.


      Any ideas?


      Thanks 


      p.s. apologies for having sent request on another posting



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