Pantelis Roditis's blog

Using OpenBSD and vxlan to overlay remote lans

Have you ever wanted to "merge" two or more remote lans between your virtualized hosts? The following blog post will outline the steps required to configure VXLAN tunneling between two hosts.

Heads up, Echofish got a major feature boost release

Echofish Welcome page screenshot
Hi everyone,

We've been working hard over the last couple of months for a new release of Echofish and boy do we have a release for you, keep on reading ...

Putting together the Athcon 2012 CTF - Part II - Network

Hi everyone,

We finally got around posting the long-promised Part II of "Putting together the Athcon 2012 CTF".

With the scenario out of the way it was time to setup the network and with it, shape-up the gameplay a little bit. At this point, we only had a very vague idea of how the participants would be finally rewarded.

Putting together the Athcon 2012 CTF - Part I

Like we promised on the previous post, here is the first part about how Athcon 2012 CTF was designed and implemented, what the contestants had to deal with and how we made the visuals you saw there.

Back from Athcon 2012

We were at the Athcon again this year, but this time not just as by-standers... this year we had the colossal task to design a Capture The Flag for security enthusiasts and professionals alike.