Asterisk: DDoS Risk in VoIP Services and IP PBX Security Issues

A flaw in the Asterisk IP PBX platform reported last week could result in a denial-of-service attack that would disrupt a business' VoIP or VoIP-to-PSTN gateway service.

Asterisk is an open-source IP telephony and messaging platform that runs on Linux, BSD and MacOSX servers, and can be used as a complete office phone system, or to add IP-enabled services

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