HowTo: Put nginx and PHP to jail in Debian 8
Although I thought this would be an easy task, it turned out that chrooting daemons…
Security and Malware News Blog
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Video editing with ffmpeg and kdenlive
Having recently bought a brand new Sony Action Cam HDR-AS200v I wanted to do some…
OpenVPN for paranoids
Continuing my admin series this time I’d like to setup a VPN using OpenVPN as…
Advanced inter VLAN switching using Cisco
Continuing my CCNA journey I’d like to address inter VLAN switching in a more detailed…
Basic Layer 2 Switching using Cisco Packet Tracer
As a pseudo-preparation for my CCNA exam I wanted to sum up some of the…
Manage PKI using OpenSSL
In the previous X.509 related post I’ve had a look at the internals of a…
Organizing and visualizing knowledge
I’ve been recently looking for some new ways organizing my notes/thoughts/tasks/bookmarks/whatever in order to keep…
Debugging Android native shared libraries
Since I haven’t done this before, I thought I could share some experiences with you….
Decode Adobe Flex AMF protocol
If you ever had the opportunity to pentest Flash applications you might have had problems…
usd AG Hacker Day in Hamburg
Do you remember this usd AG hacker challenge write-up? This years hacking event organized by…