VoIP Security

Good solutions focus on Security and prevention of Dial-Through Fraud.

Solutions available using OpenSIPS included:

  • SIP Proxy: Screening out malicious SIP requests & hiding vulnerable infrastructure
  • Transparent Registrar: Source address ACL’s; domain re-direction; Intrusion detection
  • Carrier Proxy: Source address screening, concurrent call limiting; destination fraud detection

Smartvox assisted with installation and configuration of fail2ban, an open source project that provides advanced dynamic management of iptables firewall rules. Suspicious source addresses are blocked in response to automated analysis of application log files.

We still provide a massive range of free information through our Wiki.