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Hacking the Cable Modem
What Cable Companies
Don't Want You to Know
by DerEngel

September 2006, 320 pp.
ISBN-10 1-59327-101-8
ISBN-13 978-1-59327-101-5

$29.95

View a sample chapter, Chapter 17: Building a Console Cable

In the beginning there was dial-up, and it was slow; then came broadband in the form of cable, which redefined how we access the internet, share information, and communicate with each other online. Hacking the Cable Modem goes inside the device that makes Internet via cable possible and, along the way, reveals secrets of many popular cable modems, including products from Motorola, RCA, WebSTAR, D-Link and more.

Inside Hacking The Cable Modem, you’ll learn:

  • the history of cable modem hacking
  • how a cable modem works
  • the importance of firmware (including multiple ways to install new firmware)
  • how to unblock network ports and unlock hidden features
  • how to hack and modify your cable modem
  • what uncapping is and how it makes cable modems upload and download faster

Written for people at all skill levels, the book features step-by-step tutorials with easy to follow diagrams, source code examples, hardware schematics, links to software (exclusive to this book!), and previously unreleased cable modem hacks.

WARNING: The practice of modifying a cable modem violates service agreements, and hackers risk being banned by service providers for life. This book is not intended to be used for stealing Internet service or any other illegal activity.


Profiled by Security Focus, TechTV, and the Register, DerEngel has been hailed as "the underground Prometheus of super-broadband." He has written several programs to simplify and streamline the uncapping process since he started hacking cable modems more than five years ago. He currently heads TCNISO INC., a group of hackers who have revolutionized reverse engineering techniques and produce leading-edge firmware modifications.


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