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Posted by TheTeapot on 11/15/06 08:51
Manish wrote:
> I heard of the term MAC address. Can it be used. No idea on how to get
> it and implement.
>
> But I guess if multiple persons are browsing from the same computer (at
> home, cyber cafe), then this will not solve the problem. In that case
> email will be better option.
>
> Which will be better option :
>
> 1. If already voted, then don''t write new rating.
> 2. Overwrite the existing rating. e.g. I rate it as 4 (may be by
> mistake), but now I feel it should be 5.
>
>
-snip-
Getting a user's MAC address would allow you to find out all kinds of
different information about their computer. This means that it would
be very insecure, and lead to a whole range of privacy issues. So
don't bother.
Read about sessions - they are generally the most common form of
ratings. Still, you have to be careful about people clearing their
cookies.
TheTeapot
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