Hi, Anton!
The module will only be available in OpenSIPS 2.1 (aka 1.12). It is not
compatible with OpenSIPS 1.11, and it will not be backported.
Best regards,
Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com
On 11/15/2014 11:02 PM, Anton wrote:
This module is compatible with version Opensips 1.11.2?
if so, where to find it?
02.09.2014 20:26, Răzvan Crainea пишет:
Hi all,
The second topic discussed during the last IRC meeting[1] was about
building a Fraud Detection module that prevents PBX or accounts
hijacking.
Basically the module will allow you to define different dialing
profiles (the destination you are dialing, how often, how many
parallel calls, etc.) - the profiles are statically defined via DB.
Such profile is assigned to a dialing entity (end-user, SIP trunk,
inbound gateway, etc.). These metrics can be further interpreted to
block or allow certain suspicious calls from that entity.
The module will export a new command in the OpenSIPS script that can
be used to check whether the call should be allowed or not. The
command will return different error codes, depending on the severity:
1 for the normal state (call should be allowed, no abnormalities
detected), -1 for warning (user is approaching to a critical limit)
and -2 for critical (thresholds are reached, call should not be
allowed). A usage example might be something like this:
if (check_fraud("$rU", "$fU", "premium") < 0) {
switch($retcode) {
case -1:
xlog("WARNING: $fU called to $rU\n");
break;
case -2:
xlog("CRITICAL: $fU called to $rU - call denied\n");
send_reply("403", "Forbidden");
exit;
}
}
Moreover, the module will also trigger events (that can be handled by
event_routes or external applications) whenever those thresholds are
reached.
The discussion was not closed during the meeting, so we need to
gather more ideas for the Fraud Detection module. What kind of
features would you like to see in this module? What use case
scenarios you find suitable for fraud detection? How would you like
to use this feature?
Feel free to give any feedback you find useful for this!
[1] http://www.opensips.org/Community/IRCmeeting20140827
Best regards,
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