A renaissance view of technology

Anatomy of an SSH Brute Force Dictionary Attack

A few weeks ago I wrote that I had been noticing a large number of attempted SSH brute force dictionary attacks on my server. None were successful but I published some ways to protect yourself. This morning at 8am - a would be hacker succeeded in a dictionary attack - what he left behind was very interesting.

PHP hotspot login script for Chillispot

I offer a modified version of drewb’s PHP version of hotspotlogin.cgi that contains support for PHP installs that do not register global variables.

Building an embedded linux Radius appliance - Part 2

Choosing the right distro for a custom embedded Linux system is not easy. Most distros will not install even the most basic elements of the operating system in less that 512MB of space.

SSH Brute Force Dictionary Attack

I’ve been noticing a lot of attempted brute force attacks on port 22 (SSH) - undoubtedly from script kiddies. Many times, out of curiosity, I reverse DNS the IP and find a business website (usually in Korea or China) on the other end. I am sure these businesses have no idea their website has been [...]

Building an embedded linux Radius appliance - Part 1

I decided to begin doing research on a project that I have been milling over in my head for nearly a year now. The concept was simple enough: With WiFi hotspots as prominent as they are now, their popularity will certainly rise along with the need for WiFi hotspot owners to control access.