full-disclosure - windowsupdate.microsoft.com limits on how many times a computer can access it

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From: irwanhadi at phxby.com (Irwan Hadi)
Subject: windowsupdate.microsoft.com limits on how many times a computer can access it

I just got an incident where everytime I try to access
windowsupdate.microsoft.com, I keep getting this error:
http://www.microsoft.com/isapi/redir.dll?prd=ie&clcid=0x0409&pver=6.0&ar=ienews&os=N6
Service Unavailable
The server is temporarily unable to service your request. Please try
again later.

Well, I used to be able to access windowsupdate.microsoft.com a couple
hours ago with this computer, but after visiting it again and again for
around 7 times, now I can't access it anymore.

It seems that the windowsupdate.microsoft.com server now limits on how
many times a computer can access it, because when I tried by using
a different computer with different IP address, it worked just fine.

Anyway, below is the IP address of windowsupdate.microsoft.com from my
place (remember that windowsupdate now uses Akamai)
phxby@...by:~> host windowsupdate.microsoft.com
windowsupdate.microsoft.com is an alias for
windowsupdate.microsoft.nsatc.net.
windowsupdate.microsoft.nsatc.net has address 207.46.134.92
windowsupdate.microsoft.nsatc.net has address 207.46.249.56
phxby@...by:~>