[Freeswitch-users] Fail to ban rule for detecting INVITES with no challenge

[Sergey Safarov]

Ítalo I am not rewrite patch set use network_addr in caller profile and
path not merget to master.

Sergey

On Thu, Mar 12, 2015 at 7:51 PM, Ítalo Rossi <italorossib at gmail.com> wrote:

> Version?
>
> I'm almost sure this is already implemented in master.
> Em 12/03/2015 13:43, "Kyle King" <kyle.king at quentustech.com> escreveu:
>
>> Have you tried mod_fail2ban?
>>
>> On March 12, 2015 12:28:16 PM EDT, Peter Steinbach <lists at telefaks.de>
>> wrote:
>>>
>>> Hello,
>>>
>>> we receive a number of Invites from certain IPs, who want to break into
>>> our system and call external premium rate numbers
>>> Unwanted registers we can block already, but we still have the issue to
>>> block specific invites from fraudulent IPs inside the iptables firewall.
>>>
>>> In the Freeswitch log we see:
>>> 2015-03-12 16:54:38.381552 [NOTICE] switch_channel.c:1055 New Channel
>>> sofia/internal/149 at 10.11.12.13 [167bb9ee-c8d0-11e4-9f31-b39e581405c5]
>>> 2015-03-12 16:54:38.381552 [DEBUG] switch_core_session.c:1061 Send
>>> signal sofia/internal/149 at 10.11.12.13 [BREAK]
>>> 2015-03-12 16:54:38.381552 [DEBUG] switch_core_session.c:1061 Send
>>> signal sofia/internal/149 at 10.11.12.13 [BREAK]
>>> 2015-03-12 16:54:38.381552 [DEBUG] switch_core_state_machine.c:472 (
>>> sofia/internal/149 at 10.11.12.13) Running State Change CS_NEW
>>> 2015-03-12 16:54:38.381552 [DEBUG] sofia.c:8841
>>> sofia/internal/149 at 10.11.12.13 receiving invite from 155.94.64.26:5076
>>> version: 1.5.15b git 82f267a 2015-02-16 22:59:55Z 64bit
>>> 2015-03-12 16:54:38.381552 [DEBUG] sofia.c:9008 IP 15.194.164.26
>>> Rejected by acl "domains". Falling back to Digest auth.
>>> 2015-03-12 16:54:38.441582 [DEBUG] switch_core_state_machine.c:491 (
>>> sofia/internal/149 at 10.11.12.13) State NEW
>>> 2015-03-12 16:54:38.441582 [DEBUG] switch_core_session.c:1061 Send
>>> signal sofia/internal/149 at 10.11.12.13 [BREAK]
>>> 2015-03-12 16:54:38.441582 [DEBUG] sofia.c:2067 detaching session
>>> 167bb9ee-c8d0-11e4-9f31-b39e581405c5
>>> 2015-03-12 16:54:48.461568 [WARNING] switch_core_state_machine.c:572
>>> 167bb9ee-c8d0-11e4-9f31-b39e581405c5 sofia/internal/149 at 10.11.12.13
>>> Abandoned
>>>
>>> The fraudulent IP here is 15.194.164.26 (anonymized of course). The IP
>>> 10.11.12.13 is the (anonymized) IP of our server.
>>>
>>> The point here is: 15.194.164.26 is sending an INVITE, Freeswitch then
>>> sends "authentication required". Freeswitch then logs this entry with
>>> "Abandoned" (see last line above) and that's it.
>>>
>>> So Is there any way to make Freeswitch show up a log line with the
>>> fraudulent IP 15.194.164.26 and some text like "abandonned"?
>>> Example for extending a current log line
>>>     2015-03-12 16:54:48.461568 [WARNING] switch_core_state_machine.c:572
>>> 167bb9ee-c8d0-11e4-9f31-b39e581405c5 sofia/internal/149 at 10.11.12.13
>>> Abandoned for IP 15.194.164.26
>>> This would enable us to process this entry with fail2ban and block this
>>> IP in the Firewall.
>>>
>>> Any other hint is welcome.
>>>
>>> --
>>> With kind regards
>>> Marvin Keil
>>>
>>> Telefaks Services GmbHmailto:lists <lists> (att) telefaks.de
>>> Internet: www.telefaks.de
>>>
>>> ------------------------------
>>>
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
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>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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>>>
>>>
>> --
>> Sent from my Android device with K-9 Mail. Please excuse my brevity.
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
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