About Jeroen
Contact
FAQ
Status
Todo in my life
His Blog
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Photo Gallery

Outdoor:
  Recumbing
  Running

Software:
  jnitodo
  squidefender
  Wormwarner

Latest books read:
  • Lincoln Child - Deep Storm
  • Lee Child - The Hard Way
  • Mike Lawson - Dead on Arrival
  • Preston & Child - Still Life with Crows

Latest movies seen:
  • Death Race
  • The Objective
  • Deception
  • Hellboy - The Golden Army



About Jeroen About Contact FAQ Status Todo in my life

23 September 2008

yellowbullet 20:55: Today it is 5 years ago that I registered the jeroen.se domain.
more

25 August 2008

yellowbullet 17:46: Since a few weeks I use the jnitodo todo list manager for managing my todo list. jnitodo was written by myself, so it matches my requirements quite well and it might match yours!
more

13 August 2008

yellowbullet 12:51: Yesterday I ran into a bug in my Samsung S1060 digital camera. If you press the view photos button while the red-eye flash pictogram is flashing white and red it hangs and becomes unresponsive.
more

11 August 2008

yellowbullet 12:59: While migrating my account to another machine which uses openldap authentication I ran into the problem that cron were not working on the new machine. A quick look in the logs revealed the following error:
more

29 July 2008

yellowbullet 17:50: I often get the question how I manage to survive my long commute time during the week. This question is often raised when in a conversation it becomes clear that I travel over 4 hours per day by train. In this blog post I will try to give a small insight in how I manage this.
more

09 July 2008

yellowbullet 13:23: Just a quick blog post about how to run a command like uptime in more than one screen window. Just do crtl-a then
:at "#" stuff "uptime\015"
more

28 June 2008

yellowbullet 21:58: I just reached the 1000 kilometer mark with my recumbent bike. It took me 46 hours and 24 minutes, averaging a 21.55 km/h speed. The last month however my average cycling speed is increasing, so I should do the next 1000 kilometer in less time.
more

Did the Blaster worm eradicate CodeRed?

By Jeroen van Nieuwenhuizen

On 11 August 2003 the Blaster worm hit the Internet. A few days after that I noticed that the number of CodeRed infection attempts was rapidly dropping. I examined the logs from 5 webservers, on different locations and in different IP ranges and on all of them I saw a trend similar as the one shown in the graph below.

As one can see the number of infection attempts in July is consequently between 50 and 90. In August before the 11th this is just a little lower, but after the 11th we see a drop in the infection attempts to below 10 a day.

I do not think it is coincidence that this drop happens at the same moment as the Blaster worm was gaining moment and more people were patching there machines. It therefor is my opinion that the Blaster worm made people more aware of the need to apply patches and that it forced CodeRed to a less dominant position.


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© 2002 - 2008 Ir. Jeroen van Nieuwenhuizen
I know I'm not perfect but I can smile.