Static in the Ether

I have been processing some of my network telescope data collected over the last four and a bit years. During this time I have classified a little over 3.2 million IP addresses by operating system making use of p0f The results after the latest updates are: OS Family % Windows 98.84258 Linux 0.811703 FreeBSD 0.170989 [...]

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My first foray into the tag soup that is  XSL and XSLT has been to turn the XML outputs from the InterNet Barometer System as discussed previously into plain text output which I can use more easily for comparing with some of my other data sources. While A cursory browse cannot find any Terms & [...]

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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 [...]

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I stumbled across this page where Shane Wood is is running a full Webserver off his 1982 Commodore 64.  Maybe there really is the Use for my C64 that’s sitting in my garage. I game across this via a link from the Contiki Project who has also jsut announced the availability of their uIPv6 Stack [...]

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After some preparation and navigation of technical SNAFUs the new website for the Security and Networks research Group (SNRG) that I run in the Rhodes CS Department is up and running. While content is still a little thin on the ground, it does represent a major step forward in actually providing a point of collation [...]

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I had an interesting question posed ot me today by Dominic who asked me to verify whether his all new Digital certificate was correctly being used for signing mail. Thunderbird sadly complained that the signature was invalid, which was unexpected, and that the issuer was unknown ( expected since it comes form a private hierarchy.)  [...]

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Some two and a half hours into the FF3.0 download campaign, and the toll is beginning to show.spreadfirefox.com seems to be refusing connections. While individual mirror sites seem up, it looks like the counts are going via some redirector script. getfirefox.com is however working fine. The impact its having on mirrors seems to be quite [...]

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With Nick now in Grahamstown, development on the Hilbert Curve application has progressed well. Version 4.05 has been released around a month after the 2.05 edition previously mentioned, which is heading much closer towards completion. The unix build scripts still need to be integrated, but there has been much improvement. The most noticeable improvements are [...]

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I spend part of my time providing network management and consulting services to a consortium of local schools – The Albany Schools Network (ASN). We have spent a significant amount of time over the last three years migrating form an ancient legacy system consisting of a decrepit SparcStation 5, and some ancient old Cisco Routers [...]

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After a couple of false starts, Rhodes University has finally transitioned off the older Telkom Provides Gen2 ( although for the last few months we have been using the Telkom commercial Internet Service) to the New TENET Gen3 network being serviced by Neotel, and Internet Solutions. Probably the biggest difference is that TENET now gets [...]

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