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Practical Linux Security Cookbook

You're reading from   Practical Linux Security Cookbook Secure your Linux environment from modern-day attacks with practical recipes

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789138399
Length 482 pages
Edition 2nd Edition
Tools
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Author (1):
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 Kalsi Kalsi
Author Profile Icon Kalsi
Kalsi
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Toc

Table of Contents (20) Chapters Close

Title Page
Copyright and Credits
Contributors
Packt Upsell
Preface
1. Linux Security Problem FREE CHAPTER 2. Configuring a Secure and Optimized Kernel 3. Local Filesystem Security 4. Local Authentication in Linux 5. Remote Authentication 6. Network Security 7. Security Tools 8. Linux Security Distros 9. Bash Vulnerability Patching 10. Security Monitoring and Logging 11. Understanding Linux Service Security 12. Scanning and Auditing Linux 13. Vulnerability Scanning and Intrusion Detection 1. Other Books You May Enjoy Index

Other well-known Linux vulnerabilities


With time, Linux has gained a lot of popularity due to its open source nature. However, it has also resulted into increased security concerns. Linux systems tend to be as vulnerable as other operating systems, such as Windows. These vulnerabilities may be due to faults in the OS, or due to oversight by the Linux administrators.

How to do it...

In this section, we will see discuss about few of the most common Linux vulnerabilities, as follows:

  1. Linux Kernel netfilter: xt_TCPMSS: Even though it's an old vulnerability, affecting Linux kernels before 4.11, and 4.9.x before 4.9.36, it still exists in many systems of organizations that have failed to attend to this vulnerability and are still using older versions of the Linux kernel. It has CVE ID: CVE-2017-18017 and a critical vulnerability score of 9.8.
  2. If exploited successfully, the aforementioned vulnerability can help hackers send through a flood of communications and cause a denial-of-service (DoS) attack...
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