Practical VoIP security
Voice Over IP (VoIP) phone lines now represent over 50% of all new phone line installations. Every one of these new VoIP phone lines and handsets must now be protected from malicious hackers because these devices now reside on the network and are accessible from the Internet just like any server or workstation. This book will cover a wide variety of the publicly available exploit tools and how they can be used specifically against VoIP (Voice over IP) Telephony systems. The book will cover the attack methodologies that are used against the SIP and H.323 protocols as well as VoIP network infrastructure. Significant emphasis will be placed on both attack and defense techniques. This book is designed to be very hands on and scenario intensive More VoIP phone lines are being installed every day than traditional PBX phone lines VoIP is vulnerable to the same range of attacks of any network device VoIP phones can receive as many Spam voice mails as your e-mail can receive Spam e-mails, and as result must have the same types of anti-spam capabilities
1 online resource
9781423757740, 9781597490603, 9781281035691, 9786611035693, 9780080489551, 1423757742, 1597490601, 1281035696, 6611035699, 0080489559
64668662
Introduction to VoIP security
Asterisk configuration and features
The hardware infrastructure
PSTN architecture
H.323 architecture
SIP architecture
Other VoIP communication architectures
Support protocols
Threats to VoIP communications systems
Validate existing security infrastructure
Confirm user identity
Active security monitoring
Logically segregate network traffic
IETF encryption solutions for VoIP
Regulatory compliance
The IP multimedia subsystem : true converged communications
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English
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