On Fri, May 14, 2010 at 12:29 AM, Lester Caine <les...@lsces.co.uk> wrote:
> Jagdeep Singh wrote:
>> Hi All!
>> I am looking for a solution, I want a user to do a single Login only on a
>> PC
>> .
>> E.g. If a User has logged on my website website.com in Internet explorer,
>> then he cant login on same website in another browser like Firefox etc
>> with
>> same loginid or another.
>> Can I trace MAC address of a single machine to solve this issue?
> The browser IP address works for us quite reliably. Once logged in, you get
> a message saying already logged on ... and where ... but it does need a
> little help if the user closes the browser without logging out. One needs a
> facility to 'bounce' a user now and again .... however some remote users may
> well have 'floating' IP addresses :(

Or in some cases, they may have multiple internet connections.  I used
to have 2, 1 cable and 1 DSL.  I used FreeBSD's PF to do 'load
balance' ;)  It works really well with any apps that do multiple


> Cross browser on the same machine may be a little more problematic! How
> would one know that it's not just from another windows of the same browser.
> Browser sniffing should allow that to be included, but we've not needed to
> go that far yet.
>> Or is there a concept of GLOBAL COOKIE / Cross Browser Cookie which will
>> work for all browsers in a single machine..
> Unfortunately not ...
> --
> Lester Caine - G8HFL
> -----------------------------
> Contact - http://lsces.co.uk/wiki/?page=contact
> L.S.Caine Electronic Services - http://lsces.co.uk
> EnquirySolve - http://enquirysolve.com/
> Model Engineers Digital Workshop - http://medw.co.uk//
> Firebird - http://www.firebirdsql.org/index.php

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