Happy Monday fellow Linux geeks and Open Source enthusiasts! In this week's newsletter we explore 10 security mistakes that are common among Linux sysadmins and how to address these problems, and examine the basics on Nmap, and how the popular open-source network discovery and auditing tool can be used to perform a ping scan, a host scan and an OS and services scan. We also demonstrate how Nmap can be used for firewall penetration testing to evaluate and improve the security of your network.

Have a question about or a comment on one of this week's articles?  Let's discuss! Read on to get the details on these critical topics.

Yours in Open Source,

Brittany Signature 150

10 Common Security Mistakes Sysadmins Make & How To Avoid These Pitfalls 

Learn about 10 security mistakes that are common among Linux sysadmins, and how to address these problems.
Linux SysAdmin Security Mistakes

Learn more about 10 common security mistakes sysadmins make how to avoid these pitfalls

 

Nmap Firewall Evasion Techniques

This tutorial will demonstrate how the Nmap network security scanner can be used for firewall penetration testing to evaluate and improve the security of your network.
NMapFirewallEvasion 1

Learn more about nmap firewall evasion techniques

 

 

Nmap Basics: What Is Nmap & How Is It Used?

Learn the basics on Nmap, and how the popular open-source network discovery and auditing tool can be used to perform a ping scan, a host scan and an OS and services scan.NMapBasics

Learn more about nmap basics what is nmap how is it used