DDoS (Distributed Denial of Service) is a type of attacks to interrupt the continuous healthy response of a server, it's considered one of the hardest attacks to mitigate and has harvested so many sites. To understand how deep, bad and well hidden this type of attacks...

UPDATE 2018: pacaur is no longer maintained, one of the best alternatives is trizen, the post is updated accordingly.  UPDATE 2019: pacaur is back in business, still my favorite AUR helper tool Archlinux is still, by far, our best linux distro of all times....

This post will you a boost in tracing the trails of your server intruder. You can use this post as a reference for your periodic server health checks as well. This is a very important article for server security specialists, white hats and developer in general....