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web page sessions

 
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hi all,
i came across a web site which offered online payment option e.g credit cards etc and after making the payment i was surprised to see i could click on the "back" button and get back to the web page where i entered all my credit card details !!!
my fellow friends argued that the transaction went over https so it was secure but my problem is that i think the session should be expired after the payment has been made so no-one can go back and view the details entered ?? please throw some light on this if you can.


thanks in advance.
 
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When the back button was clicked, the browser most likely pulled the page out of its cache. If so, the web app in question isn't properly setting headers to prevent this.
 
nikil shar
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would you be able to give me an example where headers are set properly to avoid this ??

thanks.
 
Bear Bibeault
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Look in the "How To" section of the JSP FAQ.
 
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