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Posted by NC on 12/26/07 17:43
On Dec 24, 11:55 pm, shror <shahi...@gmail.com> wrote:
> On Dec 24, 7:48 pm, NC <n...@iname.com> wrote:
>
> > You want to execute arbitrary PHP code on your server, so there
> > is no way of "avoiding danger or hacking"... The only half-safe
> > solution I can think of is that the PHP server on which the user-
> > supplied code runs is virtual (so whatever damage the hackers do will
> > disappear when the server is restarted) and separate from the server
> > on which the application is hosted.
>
> so now for doing this system what about having a free hosting account
> that support the php do you think they could allow me host these
> dangerous pages on their servers or they will close my account after
> being attacked by any small danger.
On a properly configured server, other customers will not be in
danger. Only you will have the risk of having your site defaced by
your students. So the hosting company probably wouldn't mind, unless
your students start using your site to send out substantial amounts of
spam.
> also what is the w3schools doing in order to avoid the danger they
> face, does any body know.
W3schools is not allowing arbitrary server-side code to run; they have
pages that allow you to test some JavaScript, whose code is executed
client-side (i.e., in browser).
Cheers,
NC
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