[asterisk-dev] avoid public IP address in conf

[Francesco Pasqualini]

No one interested in support asterisk with NAT and dyn IP ?

On Wed, Oct 5, 2016 at 8:21 PM, Francesco Pasqualini <frapas at gmail.com>
wrote:

> Hi,
> why we need to specify the public (external) IP address when asterisk is
> behind NAT ?
>
> With stun, asterisk should be able to get this info by himself.
>
> In bash for example we can get the public IP contacting the stun server:
>
>
> echo -en '\x00\x01\x00\x08\xc0\x0c\xee\x42\x7c\x20\x25\xa3\x3f\x0f\xa
> 1\x7f\xfd\x7f\x00\x00\x00\x03\x00\x04\x00\x00\x00\x00' |           nc -u
> -w 2 stun.l.google.com 19302 |
>     dd bs=1 count=4 skip=28 2>/dev/null |
>     hexdump -e '1/1 "%u."' |
>     sed 's/\.$/\n/'
>
>
> http://askubuntu.com/questions/95910/command-for-determining-my-public-ip
>
> If we can avoid to specify the public IP we can support dynamic IP. Before
> connecting, asterisk could retrieve the public IP. That is what (I think)
> is doing my  IP phone at home, dynamic IP behind Nat. It ask me only the
> stun server address.
>
> thanks
>
>
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