<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Fail2Ban is running in the system</div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">I do not have any default dial plans or extensions. </div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 22, 2014 at 5:35 PM, Thomas Auge <span dir="ltr"><<a href="mailto:auge@virtues.net" target="_blank">auge@virtues.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Do you still have the external domain enabled? I think it routes external calls matching a specific number theme (<br>
^(10[01][0-9])$ ) to the internal users through the pre-installed dialplan. It listens on different ports (5080/1).<br>
Config is in sip_profiles/external.xml and dialplan/public.xml.<br>
<br>
I see an insane amount of brute force attempts against our PBX', so if there is a way to get anywhere, you can expect<br>
people to try it - over and over and over ... I can recommend fail2ban. :-)<br>
<br>
Just guessing though, if I'm wrong, someone more knowledgeable will probably chime in. :)<br>
<div><div class="h5"><br>
<br>
On 22.12.2014 19:16, Lloyd Aloysius wrote:<br>
> Hi All<br>
><br>
> I have a multi domain setup. We receive calls from unknown extensions (eg: 100 , 101,1000,1007 etc ).But there is no<br>
> voice in it.<br>
><br>
> We do not have any default extensions in the system and all default extensions removed from the system.<br>
><br>
> Users are authenticated by alphanumeric (like an email username) Eg: <a href="mailto:mike@mydomain.com">mike@mydomain.com</a> and passwords are very<br>
> complicated.<br>
><br>
> How someone can call a user without authentication from these extensions?<br>
><br>
> Please let me know how to solve this issue.<br>
><br>
> Thanks Lloyd<br>
><br>
><br>
><br>
><br>
><br>
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