[Freeswitch-users] Receives call From Unknown Extensions

Thomas Auge auge at virtues.net
Tue Dec 23 01:55:50 MSK 2014


To eliminate the guessing, check the logs which route the calls took through the system. It should contain the clues you 
need. You might need to up the log level a bit ...


On 22.12.2014 19:44, Lloyd Aloysius wrote:
> Fail2Ban is running in the system
>
> I do not have any default dial plans or extensions.
>
>
>
>
>
> On Mon, Dec 22, 2014 at 5:35 PM, Thomas Auge <auge at virtues.net <mailto:auge at virtues.net>> wrote:
>
>     Do you still have the external domain enabled? I think it routes external calls matching a specific number theme (
>     ^(10[01][0-9])$ ) to the internal users through the pre-installed dialplan. It listens on different ports (5080/1).
>     Config is in sip_profiles/external.xml and dialplan/public.xml.
>
>     I see an insane amount of brute force attempts against our PBX', so if there is a way to get anywhere, you can expect
>     people to try it - over and over and over ... I can recommend fail2ban. :-)
>
>     Just guessing though, if I'm wrong, someone more knowledgeable will probably chime in. :)
>
>
>     On 22.12.2014 19:16, Lloyd Aloysius wrote:
>      > Hi All
>      >
>      > I have a  multi domain setup. We receive calls from unknown extensions (eg: 100 , 101,1000,1007 etc ).But there is no
>      >  voice in it.
>      >
>      > We do not have any default extensions in the system and all default extensions removed from the system.
>      >
>      > Users are authenticated by alphanumeric (like an email username) Eg: mike at mydomain.com <mailto:mike at mydomain.com>
>     and passwords are very
>      > complicated.
>      >
>      > How someone can call a user without authentication from these extensions?
>      >
>      > Please let me know how to solve this issue.
>      >
>      > Thanks Lloyd
>      >
>      >
>      >
>      >
>      >
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