java - Browser Cookie Persistent -


my question simple, may asked before answers not useful me asking again.

how can persist cookie stored @ browser , after cleared manually ?

scenario

i want keep track of customer visit , have been trying @ first request server checked previous cookie stored , if found read value , find relative information , if not found creating cookie , response , on.

now, if clients uses mozilla firefox browser , if client manually deletes cookies ,the information lost , according above case every time new cookie generated meaning less.

i test same thing , , come know if delete history of browser (by pressing ctrl + shift + del mozilla firefox v 20.0.1) , can remember me.

so technique using storing client information or in other words should persist information @ client side of cases ?

during google found

stack overflow question

java script cookie library

but still have insufficient answers.

i know if re install os obvious information lost , acceptable condition.

my goal preserve cookie information if deletes manually ?

thanks

you can't. , if buggy browser.

what can use flash, has different cookie space 1 of browser, clearing cookies in browser ones in flash left untouched.


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