How To Cheat At VoIP Security by CCS Thomas Porter, Michael Gough

By CCS Thomas Porter, Michael Gough

The ideal Reference for the Multitasked SysAdmin
This is definitely the right consultant if VoIP engineering isn't really your forte. it's the excellent creation to VoIP defense, masking take advantage of instruments and the way they are often used opposed to VoIP (Voice over IP) structures. It offers the fundamentals of assault methodologies used opposed to the SIP and H.323 protocols in addition to VoIP community infrastructure.
* VoIP Isn’t simply one other info Protocol
IP telephony makes use of the web structure, just like the other facts program. besides the fact that, from a safety administrator’s perspective, VoIP is various. comprehend why.
* What performance Is won, Degraded, or improved on a VoIP Network?
Find out the problems linked to caliber of carrier, emergency 911 carrier, and the key merits of VoIP.
* the safety concerns of Voice Messaging
Learn in regards to the different types of safeguard assaults you want to defend opposed to inside your voice messaging system.
* comprehend the VoIP communique Architectures
Understand what PSTN is and what it does in addition to the H.323 protocol specification, and SIP services and features.
* The aid Protocols of VoIP Environments
Learn the prone, beneficial properties, and safety implications of DNS, TFTP, HTTP, SNMP, DHCP, RSVP, SDP, and SKINNY.
* Securing the full VoIP Infrastructure
Learn approximately Denial-of-Service assaults, VoIP carrier disruption, name hijacking and interception, H.323-specific assaults, and SIP-specific attacks.
* licensed entry starts with Authentication
Learn the equipment of verifying either the person id and the gadget id with a view to safe a VoIP network.
* comprehend Skype Security
Skype doesn't log a heritage like different VoIP strategies; comprehend the results of accomplishing enterprise over a Skype connection.
* Get the fundamentals of a VoIP defense Policy
Use a pattern VoIP protection coverage to appreciate the elements of a whole policy.

  • Provides procedure directors with thousands of suggestions, methods, and scripts to accomplish management initiatives extra fast and efficiently
  • Short on concept, background, and technical info that eventually isn't necessary in appearing their jobs
  • Avoid the time drains linked to securing VoIP

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Additional info for How To Cheat At VoIP Security

Sample text

Chapter 2 19 20 Chapter2 The 9 Hardware Infrastructure Introduction Even after the introduction of VolE business telephony equipment has remained focused on two areas: (1) reducing the cost of Public Switched Telephone Network (PSTN) connectivity overall and (2) adding business communications feature-functionality. Since the first private branch exchange (PBX) was introduced in 1879, business customers have sought cost savings by reducing the number of physical lines or trunks that interconnect with the PSTN.

IM's roots can be traced back to the Internet Relay Chat (IRC) networks, which introduced the chat room concept but did not track online presence and never reached the popularity of IM. Just as IM is the next logical step from IRC, voice chat is the next leap from text-based chat. Most of today's most popular IM clients have included voice functionality, including AOL's Instant Messenger, Yahoo! Messenger, and MSN Messenger. Skype took the opposite approach and created a chat client that focuses on voice as the star and text chat as an afterthought.

The larger and more complex a network gets, the more demanding traffic becomes to the underlying hardware. Given the modularity of voice networks, we can off load some of this functionality to other hardware that can be set to handle a specific task, rather than attempt to do everything itself. O f course, this also complicates the overall security model, so make sure you know how this offloading impacts security. Voice Messaging It's hard to remember that voicemail was once a completely optional capability for PBX systems, but it's still implemented as a separate server by most vendors using analog, digital, or IP trunks to integrate with the PBX.

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