GeoIP update client + server

Problem Once upon a time, I was running a sizable fleet of machines that depended on Maxmind’s GeoIP data. And I wasn’t very keen on installing a daemon on any...

Apache patch to optionally disable Partial Content

Problem Our severs were multiple times overloaded from *.cn IP addresses with what looked like poorly setup downloader client. Solution I decided to stop that using a simple patch to...

How to hunt for kernel memory leaks

Problem Processes on one LVS cluster node were dying by the hand of oom-killer while other nodes with same software setup (but slightly different hardware) were running just fine. I...

Master's Thesis

Také k dispozici v české verzi. Intro This page is dedicated to the Master’s Thesis of Michal Jirků (née Šafránek) titled “Protecting webservers against specified attacks”. Basic info Name: Protecting...

Diplomová práce

Also available in English. Úvod Tato stránka je věnována diplomové práci Michala Jirků (dříve Šafránka) nazvané “Ochrana webových serverů proti vybraným útokům”. Obecné údaje Název práce: Ochrana webových serverů proti...