[OpenSIPS-Users] Opensips 2.5 and fraud module

[Liviu Chircu]

Use $Ts [1] to get the current UNIX timestamp in seconds.

[1]: http://www.opensips.org/Documentation/Script-CoreVar-2-4#toc91

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 12.04.2018 14:08, Denis via Users wrote:
> Liviu, is there any way to find out current time from Opensips during 
> call processing (some functions, variables etc which i can use in 
> opensips.cfg)?
> Thank you
> -- 
> С уважением, Денис.
> Best regards, Denis
> 12.04.2018, 13:50, "Liviu Chircu" <liviu at opensips.org>:
>>
>> Hi Denis,
>>
>> The fraud detection module has no such mechanism, currently. We could 
>> invent some variables such as $frd_last_warn, $frd_last_crit, 
>> $frd_first_warn, $frd_first_crit. They would output a UNIX timestamp. 
>> If there were no warnings during the current interval, the timestamp 
>> value would be 0. Can't think of anything better now - you can polish 
>> this idea and open up a pull request if you want.
>>
>> How many users do you have? The "cachedb_local" offers a fast and 
>> configurable hash implementation. Why wouldn't it be a good solution 
>> in order to store/fetch the above-mentioned timestamps for each of 
>> your users?
>>
>> Best regards,
>>
>> Liviu Chircu
>> OpenSIPS Developer
>> http://www.opensips-solutions.com <http://www.opensips-solutions.com/>
>> On 10.04.2018 13:11, Denis via Users wrote:
>>> Hello, Liviu!
>>> "So you want to check the time of the last fraud detection attempt 
>>> for a user?"
>>> Yes, but not for store this time to anywhere.
>>> I want to detect the time of the first fraud call, and if this time, 
>>> for example, between 19:00 and 09:00, make some actions.
>>> Can i do it with Opensips?
>>> Thank you.
>>> -- 
>>> С уважением, Денис.
>>> Best regards, Denis
>>> 10.04.2018, 12:28, "Liviu Chircu" <liviu at opensips.org> 
>>> <mailto:liviu at opensips.org>:
>>>>
>>>> Hi Denis,
>>>>
>>>> Yes, the "sequential calls" holds the size of the last batch of calls
>>>> sent to the same number. For example, if a user were to dial 44 and 45
>>>> prefixes in a round-robin manner, his "sequential calls" value would
>>>> never exceed 1.
>>>>
>>>> So you want to check the time of the last fraud detection attempt for a
>>>> user? You can use "cachedb_local", for example, and hold the last fraud
>>>> detection timestamp for each user. Also, note that check_fraud() 
>>>> [1] has
>>>> some useful return codes (-1 and -2), in case you don't want to use the
>>>> E_FRD_ events.
>>>>
>>>> Cheers,
>>>>
>>>> [1]:
>>>> http://www.opensips.org/html/docs/modules/2.4.x/fraud_detection.html#func_check_fraud
>>>>
>>>> Liviu Chircu
>>>> OpenSIPS Developer
>>>> http://www.opensips-solutions.com <http://www.opensips-solutions.com/>
>>>>
>>>> On 09.04.2018 09:12, Denis via Users wrote:
>>>>
>>>>      Hello, Liviu!
>>>>      Thank you very much!
>>>>      I will try your fix.
>>>>      And, What does "Sequential calls" mean? These are calls to one
>>>>     number?
>>>>      So, if we have situation dealing with reset counters, i want
>>>>     to make
>>>>      one thing.
>>>>      I want to check the time when fraud has been detected and if this
>>>>      time, say, after 19:00 make some actions. How can i check time
>>>>     of the
>>>>      call processing?
>>>>      Thank you.
>>>>
>>>>
>>>>
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