Google applications single sign on

Google applications single sign on

Have you noticed this stuff  using google applications like , , ,
e.g. using IE 6

1. open login to it

2. open new tab open you will see your signed in status at top right corner.

3. Click log out from, you will get loged out

4. try to access the links inside you will be redirected to login

5. go back to google.

6. Login to google Notice once you loged in to google obeserve orkut signin page is automatically redirecting you to authorised zone.

I think it can be done using cookies where you should continuosely check wheather cookie is expired / not based on that do
auto login logout.

anybuddy has any idea how they are doing ? or any other way to acheve it ? single sign on triks and tips can be found at


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My name is Satalaj, but people call me Sat. Here is my homepage: . I live in Pune, PN and work as a Software Engineer. I'm former MVP in year 2010.
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