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Advanced Penetration Testing for Highly-Secured Environments, Second Edition

You're reading from   Advanced Penetration Testing for Highly-Secured Environments, Second Edition Employ the most advanced pentesting techniques and tools to build highly-secured systems and environments

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781784395810
Length 428 pages
Edition 2nd Edition
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Authors (2):
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Kevin Cardwell Kevin Cardwell
Author Profile Icon Kevin Cardwell
Kevin Cardwell
Lee Allen Lee Allen
Author Profile Icon Lee Allen
Lee Allen
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Table of Contents (14) Chapters Close

Preface 1. Penetration Testing Essentials FREE CHAPTER 2. Preparing a Test Environment 3. Assessment Planning 4. Intelligence Gathering 5. Network Service Attacks 6. Exploitation 7. Web Application Attacks 8. Exploitation Concepts 9. Post-Exploitation 10. Stealth Techniques 11. Data Gathering and Reporting 12. Penetration Testing Challenge Index

Detecting load balancers


When performing a penetration test, there is the possibility that vulnerabilities left open on one server are not available on another. Proper load balancing will be almost completely transparent, which could easily lead to miscommunication of the testing results if you find any server issues on a server that is part of a pool.

Tip

We are focusing on HTTP load balancing for these exercises. Detecting DNS load balancing can be done using your enumeration tools, as described in a previous chapter. For instance, you can use dig to see if multiple servers are returned for the same domain name.

Quick reality check – Load Balance Detector

Kali includes a script named Load Balance Detector (lbd.sh) that will quickly test for load balancing. Running this tool against our current balanced Kioptrix3.com server will provide you with input that the server is not load balanced, because the tool never gets a chance to see the other server.

However, if you edit your HAProxy configuration...

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