Fred Posner – Kamailio

Fred’s primary role is a VoIP Consultant, specializing in Open Source software including Asterisk, Kamailio (formerly OpenSER), and FreeSWITCH. Fred enjoys evangelizing open source telecom and has spoken at Astricon, Kamailio World, Cluecon, and more. Fred is also a member of the Kamailio project and the founder of APIBAN; helping to protect SIP systems from unwanted traffic.

Protecting SIP Servers with APIBAN

APIBAN provides simple integration with IPTABLES to help protect your FreeSWITCH instance (or other SIP servers) from unwanted SIP traffic. APIBAN is a free (as in beer) service and also includes a local api to manage your own iptables chain.