Technology

Thinking about AJAX

I remember attending Supernova last year and there is this small company demostrating a little web-based Email client they developed which looks and behave like Microsoft Outlook except it runs on a browser. After a very boring presentation which shows us nothing what Outlook cannot do, I remember Marc Canter finally not so politely shoo […]

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Technology

Google Analytics

I installed Google Analytics on several of the blogs I managed. So after collecting data for a week, it gave me some nice charts and one of them look like this: Pretty cool but I was wondering why I am getting so much traffic from pbs.org. So going through my logs, I discovered one of […]

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Technology VoIP

More about Google Talk

I did some packet sniffing and look at how Google Talk works. 1. Google Talk is Jabber (XMPP) compliant. Here is what it send for authentication <stream:stream to=”gmail.com” version=”1.0″ xmlns:stream=”http://etherx.jabber.org/streams” xmlns=”jabber:client”> <stream:features> <starttls xmlns=”urn:ietf:params:xml:ns:xmpp-tls”/> <mechanisms xmlns=”urn:ietf:params:xml:ns:xmpp-sasl”> <mechanism>X-GOOGLE-TOKEN</mechanism> </mechanisms> </stream:features> <auth xmlns=”urn:ietf:params:xml:ns:xmpp-sasl” mechanism=”X-GOOGLE-TOKEN”<(Some hash, presume Google Token)</auth> Then followed by the standard presence information etc. Interestingly, […]

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