[OpenSIPS-Users] Unregistered Calls

[Rodrigo Ferreira]

--------------------------------------------------
From: "Saúl Ibarra Corretgé" <saul at ag-projects.com>
Sent: Thursday, August 25, 2011 6:00 PM
To: "OpenSIPS users mailling list" <users at lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Unregistered Calls

> Hi,
>
> On Aug 25, 2011, at 10:43 PM, Rodrigo Ferreira wrote:
>
>> Hey guys,
>>
>> I'm configuring a new opensips server, and it's been a while since the 
>> last time that I did one. I'm following the book "Building Telephony 
>> Systems with Opensips 1.6" by Flavio E. Goncalves, and everything is 
>> working good so far, but I have some doubts.
>>
>> When trying to figure it out, how Opensips handle those unregistered 
>> calls, searching about this, I found that this part of code handle that.
>>
>> if (!is_uri_host_local()) {
>>     if(is_from_local()) {
>>         route(1);
>>     } else {
>>         sl_send_reply("403","Not Here");
>>     }
>> }
>>
>>
>> But, running a few tests, trying to dial from a unregistered phone, I'm 
>> not getting the error 403, actually, I'm not getting any error at all, my 
>> phone just keeping dialing over and over again, without get any error.
>>
>> Anyone know why this is happening?
>>
>
> Registration and authentication are two different things. In order to make 
> calls you need to be authenticated, that is, your credentials need to be 
> validated.
>
> In order to receive calls, you need to tell the server where you are, you 
> need to register with it.
>
> Thus, you can make calls without being registered.
>
>
> Regards,
>
> --
> Saúl Ibarra Corretgé
> AG Projects
>
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>

I see ...

So, how can I block or log those unauthorized calls?

Because I'm trying to test a scenario where my Opensips is under attack, so 
all the calls are being make from a unauthorized host, and I wanna log this 
..