I've confirmed that the problem happens on two Win 10 computers and I've 
reported the problem on the Firestorm Jira.  I haven't had time yet to test 
whether it also happens on a Linux machine.

Virtual Marin



> I've found the problem.  It was  the latest Firestorm release.  I had 
> recently upgraded to the current 7-1-9-7474 version.  This morning, I tried 
> Singularity.  It worked  I had no problem accessing my grid.  I then 
> uninstalled Firestorm and did a clean install of the latest version.  No 
> change.  I still could not access my grid.  
>  
> I uninstalled Firestorm again and installed the previous version, 
> 6-6-17-70368.  It works.  II can now log into my grid.  There definitely 
> appears to be a problem with the latest Firestorm release for accessing a 
> grid within its home network.  When I have time, I'll try it on a different 
> computer to confirm it.
>  
> Thanks Cuga.  Your suggestions indirectly led to finding the problem by 
> leading me to approach it from a new direction.
>  
> Apollo

> Erik Gordon Bainbridgewww.VirtualMarin.com


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>> Today's Topics:

>>    1. Nat Loopback symptom but maybe something else???
>>       (Erik Gordon Bainbridge)
>>    2. Re: Nat Loopback symptom but maybe something else??? (Cuga Rajal)


>> ----------------------------------------------------------------------

>> Message: 1
>> Date: Mon, 15 Jul 2024 16:41:29 -0700
>> From: Erik Gordon Bainbridge <tamri...@frodo.tv>
>> To: opensim-users@opensimulator.org
>> Subject: [Opensim-users] Nat Loopback symptom but maybe something
>>         else???
>> Message-ID: <1310433027.20240715164...@frodo.tv>
>> Content-Type: text/plain; charset=utf-8

>> I think the cause of my problem is pretty simple and maybe obvious, but I'm 
>> just not seeing it.?

>> I've been running a grid with 4 simulators and 13 regions since 2011 
>> (grid.virtualmarin.com:8002).? I've made no configuration changes in 5 or 10 
>> years, but suddenly I can no longer login from within my home network, 
>> though users from outside my network can log in.? It sounds like a NAT 
>> loopback problem, but my router configuration looks good and wondering 
>> whether it might be something in my OpenSim.? However I haven't changed 
>> either my router or OpenSim configuration.?

>> The server is a dedicated computer I built in 2011.? The operating system is 
>> OpenSUSE Leap 15.3.? It has two ssd's; one contains boot,? system and Home, 
>> the other has my grid. ? The problem started immediately after I replaced 
>> the grid ssd.? After the problem started, I put the original grid ssd back 
>> in the computer and restored a backup to it, but the problem continues.? I 
>> was not having a problem before replacing the ssd.? I haven't changed 
>> anything else.

>> Here's what happens when I try logging in with Firestorm from within my 
>> network:
>> - The Firestorm progress bar stops at about 70%
>> - Robust shows my avatar making a login request.
>> - The relevant simulator shows my avatar logging in, but then one minute 
>> after the last "Creating agent" entry, it shows my avatar disconnecting.? 
>> Firestorm hangs and never responds further

>> I created several OpenSim grids a decade or so ago and used to have a 
>> reasonably decent understanding of OpenSim, but my grid has been so trouble 
>> free that it's allowed me to shift my attention to other things and ignore 
>> it's internals.? When I look at the code now, I realize how much I've 
>> forgotten.? I'm hoping someone can make suggestions for possible debugging 
>> steps or fixes.

>> I'll appreciate any suggestions.? Thanks!

>> System:
>> Opensim 0.9.0.1 with Diva Wifi
>> 4 simulators and 13 regions
>> OpenSUSE Leap 15.3
>> Netgear Nighthawk Router(R7000)-AC1900?

>> ------------------------------

>> Message: 2
>> Date: Mon, 15 Jul 2024 17:18:13 -0700
>> From: Cuga Rajal <c...@rajal.org>
>> To: opensim-users@opensimulator.org
>> Subject: Re: [Opensim-users] Nat Loopback symptom but maybe something
>>         else???
>> Message-ID: <55c8f8af-bb16-4899-8be4-e751a2e2a...@rajal.org>
>> Content-Type: text/plain;       charset=utf-8

>> Just brainstorming a few possibilities.

>> I had this exact symptom some time ago, and it turned out to be a config 
>> file issue. In my case, careful examination of console messages during login 
>> revealed a mismatch of some sort between the sent and expected hostnames. I 
>> had to correct Regions.ini. I don't know if this is the same issue as yours. 

>> Another thing to check is if the computer running the viewer has a DNS alias 
>> (such as in a hosts file) for the hostname of your grid mapping to an 
>> internal IP instead of the one in DNS. Force it to go out the router and 
>> back in again.

>> Hope this helps

>> Cuga


>>> On Jul 15, 2024, at 4:41?PM, Erik Gordon Bainbridge <tamri...@frodo.tv> 
>>> wrote:
>>> I think the cause of my problem is pretty simple and maybe obvious, but I'm 
>>> just not seeing it. 
>>> I've been running a grid with 4 simulators and 13 regions since 2011 
>>> (grid.virtualmarin.com:8002).  I've made no configuration changes in 5 or 
>>> 10 years, but suddenly I can no longer login from within my home network, 
>>> though users from outside my network can log in.  It sounds like a NAT 
>>> loopback problem, but my router configuration looks good and wondering 
>>> whether it might be something in my OpenSim.  However I haven't changed 
>>> either my router or OpenSim configuration. 
>>> The server is a dedicated computer I built in 2011.  The operating system 
>>> is OpenSUSE Leap 15.3.  It has two ssd's; one contains boot,  system and 
>>> Home, the other has my grid.   The problem started immediately after I 
>>> replaced the grid ssd.  After the problem started, I put the original grid 
>>> ssd back in the computer and restored a backup to it, but the problem 
>>> continues.  I was not having a problem before replacing the ssd.  I haven't 
>>> changed anything else.
>>> Here's what happens when I try logging in with Firestorm from within my 
>>> network:
>>> - The Firestorm progress bar stops at about 70%
>>> - Robust shows my avatar making a login request.
>>> - The relevant simulator shows my avatar logging in, but then one minute 
>>> after the last "Creating agent" entry, it shows my avatar disconnecting.  
>>> Firestorm hangs and never responds further
>>> I created several OpenSim grids a decade or so ago and used to have a 
>>> reasonably decent understanding of OpenSim, but my grid has been so trouble 
>>> free that it's allowed me to shift my attention to other things and ignore 
>>> it's internals.  When I look at the code now, I realize how much I've 
>>> forgotten.  I'm hoping someone can make suggestions for possible debugging 
>>> steps or fixes.
>>> I'll appreciate any suggestions.  Thanks!
>>> System:
>>> Opensim 0.9.0.1 with Diva Wifi
>>> 4 simulators and 13 regions
>>> OpenSUSE Leap 15.3
>>> Netgear Nighthawk Router(R7000)-AC1900 
>>> _______________________________________________
>>> Opensim-users mailing list
>>> Opensim-users@opensimulator.org
>>> http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users



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