Centroid.EU Blog

(this blog is mostly encrypted - adults only)
  

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Watched the Big Dipper out my Kitchen Window

July 28th, 2013

The Big Dipper was visible out my kitchen window which faces north tonight. If I ducked and looked I could see Polaris too. For those that don't know the Big Dipper is called the Ursa Major constellation. I came up with the hypothesis that in 6 months when I look out this window at the same time that Ursa Major will be out of my field of view because of how the window is like. But I should be able to see Polaris still although I won't be able to identify it.

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Centroid Blog for Lynx readers

July 25th, 2013

http://centroid.eu/public/centroid-blog.sh.txt. I wrote this small shell script for you (and me). It deobfuscates the blog just like javascript does on graphical browsers, but you only get the first 10 articles which should be enough. Cheers!

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Just more preaching about preventing spying...

July 18th, 2013

For the past few weeks everything in the media is about PRISM, NSA and BND, but I'm gonna talk about the real problem (topologies) and what I think is a solution, mesh networking...

Oh yes I got a haircut a while ago :P thanks!

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This blog now obfuscates all data

July 17th, 2013

I've had some problems with bots from companies that don't honour the robots.txt file. This exposed my blog to some search engines, not something I prefer. So I have started to obfuscate my blog with PHP and javascript. Basically what it does is it creates a random password and based on that password a random sequence of numbers by hashing the password, taking the lowest byte and hashing the hash again, taking the lowest byte and so on. After some processing the lowest bytes make a sequence that is always the same. So when I apply that sequence of bytes and XOR it to my blogs contents then a garble will result. It looks like encryption but it's not it's only obfuscation, but it also makes people who sniff the wire have a harder time figuring out what's going on. Unless they also use javascript. AFAIK google bot uses javascript but it also honours robots.txt so we're even on that. If you're using lynx you can't read this blog anymore unfortunately, switch to X11/firefox.

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IT Security, SSH timing attack

July 11th, 2013

This explains a lot. Thanks to Hawson for the link.

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How the Internet should be like (Pt.2)

July 11th, 2013

I don't know where this is, it's somewhere in Africa, but the paths are an inspiration how the Internet should be like on earth.

Imagine the trails being cat5 cables, now imagine how you could route around a hut without being seen.

Also more importantly these trails were made by people for the people, and that's how the Internet should be like too. Forget it being served by telcos, that only invites spying.

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Got LTE, Internet is stable again

July 9th, 2013

I got LTE finally and configured it to my home network. Everything works again. Here is the timeline of what I noticed with my network.

  • Wednesday, June 26th, I noticed massive wifi interference and noise and I had to move to cable, I dug out my 20 meter cat5 cable and service was restored my Monday July 1st.
  • Wednesday, July 3rd, I noticed massive DSL resynchronisations and Internet became unbearable for me, it took until Saturday to get a ticket opened.
  • Monday July 8th, got LTE and restored service
  • Tueday July 9th, moved back to wireless but into the 5Ghz spectrum where there is no interfering neighbours, in fact it seems around here the 5Ghz spectrum is entirely vacant, in contrast to the 2.4 Ghz spectrum which has 10 or so AP's on it.
All in all this has been a very stressful week, considering I work remotely over the Internet, it put strain on operations.

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DSL not working, getting LTE

July 7th, 2013

As you may or may not know, I work remotely over the Internet. So it's a great problem then, when my sole link to the Internet goes down. And it has been intermittently down since wednesday. For the past few weeks I've been trying to get a hold of this shop to get me LTE and I surprisingly got a hold of him last week. He's got an LTE router and SIM card for me, that I'll use as a backup link. It'll cost more than my DSL and doesn't have as much traffic volume, but it's sufficient to give me a few days of DSL backup. My DSL will be fixed by wednesday my DSL provider m-net told me, but I can't wait, I gotta make money somehow. So in a way it's a blessing to be getting an LTE link. I couldn't get a Satellite link which would have been my first choice, because I don't face south with my apartment. And cable Internet isn't wanted by my landlord. I do have line of sight to a lot of people though that do have a southern sky. Any of my neighbours that are reading want to give me a sat backup? :-)

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Redder Cherries

July 6th, 2013

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2014, the year of the cable?

July 5th, 2013

PRISM is perhaps at its end. There is 2 non-US cables being laid that isolate the US entirely. Take a look at the following cables BRICS, ROTACS and arcticfibre on Greg's Cable Map. BRICS and ROTAC open Asia to Europe and South America, avoiding the USA. This is all good for everyone, the US will have more capacity in it's intra-national fibre all of a sudden, they'll also have less opportunities to spy on this data. It's also good for UNASUR countries who may want trade with Asia and don't want the US to know about it. And I believe my route may go through Moscow before soon to reach Hong Kong, again avoiding US territory.

I'm thinking news of this all will make some people mad and others happy.

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