Archive for July, 2008

July 23

IAX Poke Resource Exhaustion

Posted by jj
Filed under Asterisk, iax2, vulnerability | 1 Comment

While preparing for The Last HOPE, Blake Cornell discovered the fact that given a flood of IAX ‘POKE’ requests one could affect the operation of Asterisk.
The moment Blake informed me and I was able to replicate the sitaution, I promptly informed Digium via a quick IRC-based private discussion with multiple Digium employees. However my non-standard […]

July 16

The Last HOPE

Posted by jj
Filed under Asterisk, News, iax2, sip | No Comments

I am one of many speakers at The Last HOPE conference starting Friday July 18th at the historic Pennsylvania Hotel in New York City.
Blake Cornell and I will be discussing how many foreign governments and ISPs are blocking VoIP services in attempt to protect their monopoly and/or to censor information. We intend to release […]