TechRadar

Youtube gets blocked throught out the day

Posted on: February 25, 2008

Now this has some interesting repercussions.

Who would’ve imagined that a pakistani move to ban you tube would be replicated globally amongst ISPs, leading YouTube being blocked for more than a couple of hours on Sunday. So, if you would’ve tried to access YouTube during those times, all you would’ve got was a 404 page not found.

Probably Pakistani ISPs tried to change their DNS to put YouTube to a non existent entry. That would all have been fine if it was not replicated by the DNS servers worldwide. The guys at Open DNS have though referred this as IP hijacking. Whatever might be the case, this should spark serious discussions on our mechanisms to propagate DNS changes and how to insulate different ISPs from malicious ISP’s or even the hijacking of a DNS.

Youtube is back up now and hope this becomes food for thought for all concerned.

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