[Opensim-users] external computers cannot login

[Pryderi]

Hi,

Of course I will not change the router for opensim!
But I updated the firmware, but.. the same loopback problem.
My router is a DG834G v5, and it looks like that it does not support NAT
loopback! not with this firmware..

2010/6/29 Impalah Shenzhou <impalah at gmail.com>

> Yes, seems a Loopback problem :-(
>
> The only solution could be to change the router... or maybe updating the
> firmaware of the router, but I can't help you with it (firmware updating
> scares me) :-(
>
>
>
>
> 2010/6/29 Pryderi <pryderi.mail at gmail.com>
>
> Thanks Impalah for your very clear answer,
>> 1) DHCP is off;
>> 2)With xampp web server it rederects correctly to my computer, so i guess
>> it's correct.
>> 3)As i wrote up, the webserver works.
>>
>>
>> Without this line:
>>
>> 192.168.0.2      http://pryderi.dyndns.org <http://myaddress.dyndns.org/>
>>
>> in windows/system32/drivers/etc/hosts, it works only from external
>> computer, with that: only from internal.
>>
>> And if I use the http://pryderi.dyndns.org <http://myaddress.dyndns.org/>in a browser, without that line, of course it doesn't load.... i guess it is
>> this NAT loopback.
>>
>>
>>
>> 2010/6/28 Impalah Shenzhou <impalah at gmail.com>
>>
>> It seems a NAT Loopback problem with your router:
>>> http://opensimulator.org/wiki/NAT_Loopback_Routers (big problem) or a
>>> bad DMZ/NAT configuration (no problem).
>>>
>>> First: turn off DHCP, you will need a static IP for the computer on your
>>> LAN. For example, if you have 3 computers, and the IP address of the router
>>> is 192.168.0.1, use the 192.168.0.2, 3 and 4 for the computers.
>>>
>>> Second: You need to associate the internal ip address of the computer
>>> acting as opensim (i.e. 192.168.0.3) to the external address of your router
>>> (i.e. 72.11.7.23). This is the one which DynDNS will autodetect.
>>>
>>> The "association" can be done in the router using NAT (Network address
>>> translator, will require both ip addresses and ports) or, more simple, using
>>> some DMZ option, which will only require a local ip address.
>>>
>>> Third: how to test... well, making a ping from the outside to your
>>> DynDNS, could be a false positive, your router could answer and not your
>>> computer (this depends on the router...). I prefer to use a web server on
>>> the computer and try to access from a navigator (i.e.
>>> http://myaddress.dyndns.org).
>>>
>>> At this point anyone should be able to access from the outside, using
>>> your dyndns address.
>>>
>>> The NAT loopback problem means that everyone from the outside can access
>>> to you computer but you, from your local network, don't.
>>>
>>> I hope this helps
>>>
>>>
>>> 2010/6/28 Spacefriends <drwhiet at spacefriends.de>
>>>
>>> DynDNS  is a service to have a FQD name Name "at Home "
>>>>
>>>> Best regards
>>>>
>>>> Am 28.06.2010 um 07:57 schrieb Dolma Dollinger <
>>>> dolma.dollinger at gmail.com>:
>>>>
>>>> -DYNDNS URL- sounds to me like no legal DNS name syntax.
>>>>
>>>> On Sun, Jun 27, 2010 at 10:03 AM, Pryderi < <pryderi.mail at gmail.com>
>>>> pryderi.mail at gmail.com> wrote:
>>>>
>>>>> Hi all,
>>>>> I am sorry to bother you again, but i have not solved yet.
>>>>> When somebody attempts to log in in my simulator the log in process
>>>>> stops at sending response to client. I guess the server sends and incorrect
>>>>> address/port to client.
>>>>> Then the client stops log in for timeout.
>>>>> I am running OpenSim on win 7, with MySQL, I opened the firewall ports
>>>>> and in  windows/system32/drivers/etc/hosts i  added this:
>>>>>
>>>>> 192.168.0.2       -DYNDNS URL-
>>>>>
>>>>> If i don't add that I have the problem of incorrect response. The
>>>>> internal IP is not dynamic.
>>>>>
>>>>> In the region.ini:
>>>>>
>>>>> InternalAddress = 0.0.0.0
>>>>> InternalPort = 9003
>>>>> AllowAlternatePorts = False
>>>>> ExternalHostName = -DYNDNS URL-
>>>>>
>>>>> Many thanks in advance,
>>>>> Vittorio
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
>>>>>
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