Laura A. Robinson has a nice piece describing the traditional OSI stack in terms of the negotiation of a meeting between two mafia a Dons. While probably not for the technically minded ( I’m sure most people in the networking and security fields have their own little mnemonics to remember the PDNTSPA acronym), I think [...]
A Mafia take on the OSI stack
October 29th, 2008 · 1 Comment
Tags: Networking · Web Randomness
New Infosec Viz Tool – Picviz
October 24th, 2008 · 1 Comment
Version 0.3 of PicViz has been released, based on python and QT – which bodes well for potential portability. This is yet another tool to help one actually filter through piles of connections, using a classic parallel axis setup. Drilldown is offered. Some example renderings of the Kaminsky DNS attacks are available. A more advanced [...]
Tags: Security · Vizualization · tools
Internet Redlight districts
April 8th, 2008 · No Comments
Taking some data gathered form various filters I’m investigating for the local schools network,a nd combining with some custom scraping tools which Blake has been assisting with Ive drawn a map of the location of some 15 000 IP addresses representing the seedy side of the Internet. The image is rendered using the Hilbert Curve [...]
Tags: PhD · Vizualization
Sorting IPv4 Addresses with GNU Sort
April 8th, 2008 · No Comments
While processing some rather large lists of addresses as part of a side project, I needed to be able to sort them in a numerical order within a shell script. I had a file with lines like: 69.90.132.19 69.90.132.22 66.152.91.84 208.122.204.181 69.90.132.22 69.90.132.31 216.131.106.249 216.131.84.26 67.55.105.252 208.64.44.102 Standard sort using sort –n only sorts on [...]
Tags: Uncategorized


