i use a CRON CDR database lookup every 10 minutes (it is a sort of a compromise period of time). The script checks for all tall and international calls for the last hour. The script has different thresholds for different territories.
it works reliably but I think about more sophisticated algorithm to discover any fraud attempts (I want to analize the security log as well). BR, Dmitry Pavlenko -------------------------------------------- On Fri, 10/18/13, binary dreamer <[email protected]> wrote: Subject: [asterisk-users] fraud detection To: "Asterisk Users Mailing List - Non-Commercial Discussion" <[email protected]> Date: Friday, October 18, 2013, 10:09 AM hello everyone. i am concerned about security to the PBX and i would like to discuss different fraud detection methods.Apart from making everything to secure the PBX (latest patches, iptables, firewalls, no outside users, strongs passwds,...) i would like to find out if there are any fraud detection techniques. As for my setup i do have a PBX running asterisk 11.4 and it has 3 sip trunks (over internet) -----Inline Attachment Follows----- -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
