[Freeswitch-users] Is there a way for FS not to send back any response to INVITE

[Ítalo Rossi]

I think you can write a dialplan module for the first question. Mike or Anthony can confirm this.


> On 1 de jun de 2016, at 16:40, Oleg Stolyar <olegstolyar at gmail.com> wrote:
> 
> Hi,
> 
> In order to protect against scanning attacks I'd like for FS to not respond to INVITES unless they match certain conditions.  
> 
> I understand that currently FS always responds with 100 Trying right away before processing the call and then, if the call does not match anything in the dialplan, responds with a 302 Moved Temporarily.
> 
> The 302 can be replaced with another response code (for example 403 Forbidden which is what I am doing now) using the respond dialplan app.   However, that might encourage the scanner to keep trying.
> 
> So I guess there are two questions:
> 
> 1. Is there a way not to send back 100 Trying at all?
> 
> 2. Is there a way to not send any final response?
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Ítalo Rossi
italo at freeswitch.org