tinc on phone

Roman Mamedov rm at romanrm.net
Wed Jun 30 19:41:55 CEST 2021


On Wed, 30 Jun 2021 19:36:48 +0200 (CEST)
Erich Eckner <SRS0=V1rx=LY=eckner.net=tinc at mijnuvt.nl> wrote:

> Thanks for the information - With this app, I have now tinc successfully
> running on my android phone, too :-)
> 
> Only minor thing: It successfully connects to two tinc nodes "in the
> internet", but fails to connect to the tinc node running on my router -
> this one is only reachable indirectly via the other nodes.

Accessing a service on the router from inside its LAN, using the router's
public IP, will not always work. That's called NAT hairpinning or NAT loopback:
https://en.wikipedia.org/wiki/Hairpinning
Check if you have an option like that to enable in the router settings.

> This could be due to the phone using the wrong connection (it's connected
> via cellular net and simultanously via wifi). Or it is some
> misconfiguration on my part (firewall rules, public keys, ...)

Using the cellular connection it should work as is, but via WiFi it might not,
as described above.


-- 
With respect,
Roman


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