Tag Archives: Security

NIDS – psad and fwsnort

I have been playing with psad and fwsnort as a NIDS tool. They are light weight and very capable tools and I highly recommend both of them. I was going to post a blog about these tools, but it kept … Continue reading

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How to Ninja – Ubuntu 10.04

This blog is an update to my original post on ninja here Update 9/2014: Note: With more recent version of Ubuntu you may need to restart ninja with sudo service ninja restart Briefly, ninja is a security tool that monitors … Continue reading

Posted in Linux | Tagged | 22 Comments

Firewall Ubuntu GUFW

This is the third in my Firewall series, is in follow up to my previous 2 blogs about firewalls, and is intended to introduce GUFW, a graphical front end to UFW. Firewall Ubuntu Desktops Firewall Ubuntu Servers Although the GUFW … Continue reading

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Firewall Ubuntu Servers

This post is in follow up to my post on firewalls on Ubuntu Desktops. IMO firewalls are often helpful for restricting access to servers. Servers come in two varieties, public and private, and often people wish to limit access or … Continue reading

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Firewall Ubuntu Desktops

Many Ubuntu users are interested in learning how to enable a firewall. The majority of people seem to be interested in filtering in an out bound connections on a Desktop installation. Without getting into the inevitable debate on the merits … Continue reading

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How to Ninja

I stumbled across an interesting security package in the Ubuntu Repositories, Ninja From the Ninja Home Page Ninja is a privilege escalation detection and prevention system for GNU/Linux hosts. While running, it will monitor process activity on the local host, … Continue reading

Posted in Linux | Tagged | 22 Comments