Re: GNUnet Name System not working (as expected)

[Schanzenbach, Martin]

> On 11. Apr 2022, at 09:13, Tanguy LE CARROUR <tanguy@bioneland.org> wrote:
> 
> Hi Martin,
> 
> 
> Quoting Schanzenbach, Martin (2022-04-09 10:27:56)
>>> On 8. Apr 2022, at 16:02, Tanguy LE CARROUR <tanguy@bioneland.org> wrote:
>>> Quoting Nikita Ronja Gillmann (2022-04-08 12:29:43)
>>>> Tanguy LE CARROUR transcribed 6.2K bytes:
>>>>> […]
>>>>> 2022-04-07T17:14:01.005084+0200 nat-29505 ERROR UPnP enabled in 
>>>>> configuration, but UPnP client `upnpc` command not found, disabling UPnP
>>>> 
>>>> I assume that you have upnpc(-mini?) as dependency in the guix package.
>>>> When you look at the C code in src/nat/ you'll see 2 files which you
>>>> need to patch for them to work for Guix (same applies for the cases
>>>> where iptables, ip6tables, and ip binaries are used).
>>> 
>>> Correct. `miniupnpc` is an `input`, not a `propagated-input`,
>>> so I will have to patch the files using it. Thanks for pointing out!
>>> 
>>> I'll submit a patch for the package definition.
>>> 
>>> In the meantime, I installed `miniupnpc` to make it available for `gnunet`
>>> to use… unfortunately, I now have the following warning:
>>> 
>>> ```
>>> 2022-04-08T15:50:35.608148+0200 nat-16852 WARNING upnpc failed to create 
>>> port mapping
>>> 2022-04-08T15:50:35.608229+0200 nat-16852 WARNING upnpc failed to create 
>>> port mapping
>>> ```
>>> 
>>> But, I guess, WARNING is better than ERROR! :-)
>> 
>> upnp only works if your router supports it and it is enabled on the router.
>> (you often get a big warning when enabling it on the router)
> 
> Correct (again)! I activated UPNP on my box and the error disappeared.
> But, I cannot do the same on my other computer because I have no control
> over the "box" and cannot forward ports!
> 
> Does this mean that I cannot use GNUnet on this computer?!

It just means that NAT will not work. So, you will be able to connect to other 
peers,
but other peers will not be able to initiate a connection to your peer.
There are other methods to do NAT apart from upnp including a manual 
configuration.
This will improve in the next iteration of NAT and TNG.

> 
> This gets me back to the question: would it be possible to provide a
> public test zone for people testing GNUnet with only one computer?!
> 
> Regards,
> 
> --
> Tanguy

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