[Opensim-users] external computers cannot login

[Impalah Shenzhou]

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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