How to Cheat at VoIP Security

Suitable for the multitasked sys admin, this title presents an introduction to VoIP security, covering exploit tools and how they can be used against VoIP (Voice over IP) systems. It also gives the basics of attack methodologies used against the SIP and H.323 protocols as well as VoIP network infrastructure.

Learn the services, features, and security implications of DNS, TFTP, HTTP, SNMP, DHCP, RSVP, SDP, and SKINNY. The title features securing the whole VoIP infrastructure. Learn about Denial-of-Service attacks, VoIP service disruption, call hijacking and interception, H.323-specific attacks, and SIP-specific attacks. Authorized access begins with authentication. Learn the methods of verifying both the user identity and the device identity in order to secure a VoIP network. Understand skype security. Skype does not log a history like other VoIP solutions; understand the implications of conducting business over a Skype connection. Get the basics of a VoIP security policy. Use a sample VoIP Security Policy to understand the components of a complete policy. This title provides system administrators with hundreds of tips, tricks, and scripts to complete administration tasks more quickly and efficiently. Short on theory, history, and technical data that ultimately is not helpful in performing their jobs. Avoid the time drains associated with securing VoIP.