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Session Expiry when browser window is closed

By , 26 Feb 2011
 
Ever wondered what occurs when a user closes his browser window. For the time the user was interacting with a site, his session was active and everything was going smooth. But how does our player ("Server" , here) come to know that a user has closed his window and the session is no longer active? Read further to unfold the mystery...
 
Whenever a browser requests a server for a page/resource, that request is served with a particular SessionID and the Session timer starts. It is this ID which identifies the future requests coming from the same user. Now when the user remains idle for a duration equalling the Session timeout (default 20 minutes), the Session expires at the server-side and if a request is made after this, a new SessionID is generated.
 
However, if the user abruptly or mistakenly closes his window, the SessionID remains active at the server-side, thinking that the user is idle. Until the Session expires for this particular SessionID, it cannot be used for another request. Once the Session is time-out, the SessionID is free again to be used for serving another new web-request.
 
Thanks for reading.
 
Any suggestions/different views are always welcome.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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rajivpande86
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GeneralReason for my vote of 1 What the hell is this article? What ...memberRavinder Singh, PMP10 Mar '11 - 22:02 
GeneralRe: Thanks Ravinder for your precious comment..Do let me know wh...memberrajivpande8613 Mar '11 - 15:03 
GeneralReason for my vote of 4 good article. thank you for taking ...memberLonnie R Thomas7 Mar '11 - 23:42 
GeneralRe: Thanks Lonnie.memberrajivpande868 Mar '11 - 7:06 
GeneralReason for my vote of 1 Can't get much lower than this. Arti...membersixgun7 Mar '11 - 20:55 
GeneralRe: i thought it was a very good article. thank you to the writ...memberLonnie R Thomas7 Mar '11 - 23:42 
GeneralRe: I kept it short, because I didn't want the viewers to pass a...memberrajivpande8613 Mar '11 - 15:06 
GeneralReason for my vote of 1 No value whatsoevermemberAndrei Rinea28 Feb '11 - 22:39 
GeneralRe: May be of no value for you, but for the beginners, i guess, ...memberrajivpande8613 Mar '11 - 14:54 

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