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Learning Nmap: The Basics

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Nmap, the network mapping tool, is the starting point when analysing any network. It is an exciting tool -- compact and power-packed. This article...

The Art of Guard, Part 5: SELinux Logging

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In the previous article in this series, we looked at allow rules in an SELinux policy. This month we’ll discuss SELinux error logs in order to decipher them and take corrective action.

SAFENTRIX: It’s Time to Kill e-mail Spam, for Free!

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While there are numerous proprietary e-mail security solutions around, how many actually manage to live up to their claims? And who says that customer service and satisfaction never come free? LFY tries its best to search out a solution that addresses these concerns.

Subversion 1.6: Security Improvements Illustrated

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Subversion 1.6.0 was released on 20th March, 2009 and included a lot of security improvements, which we explore in detail in this article.

The Art of Guard, Part 2: SELinux Modes and Policies

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Let’s explore SELinux modes, and learn a few commands that will help in understanding SELinux policies better.

Secure Communication

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Let's code a simple application to help us stop making silly mistakes while communicating over e-mails. This is part 11 in the series on "Programming In Python for Friends and Relations".

Vulnerability Assessment: Have You Done it Yet?

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Regular vulnerability assessment of your systems/networks is a must. OpenVAS is one such tool that can assist you.

Sniff! Sniff!! Who Clogs My Network?

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Some network connectivity and troubleshooting tools.