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Posted by C. on 05/27/07 22:42
On 27 May, 17:56, "_mario.lat" <n...@libero.it> wrote:
> >> I use PHP and I'd like to not write in hardcoded way password
> >> and login to access to mysql.
> >> how to not write password in code for access to mysql?
> >> How can I do?
> >> I'd like that who see my code don't see my paswords.
> >> there is a solution?
>
> > Now you can create the following file
>
> Thank you for answering me.
> I'm shure there is a better way with cript:
> DES or SHA, RSA...
> Mario.
IF you use a reversible encryption then the problem still remains that
a password needs to be kept somewhere PHP can read it.
One place to keep the password off the server is at the client end -
and you could have have one database password stored encrypted using
each users password. But you then have the problem of getting the
users password sent securely to the application (not to mention non-
authenticated access).
Jerry Stuckle rightly said:
> And most hosting companies do not allow you to write to /etc.
But most do block HTTP access to files beginning with .ht - but these
can be read locally.
So if you can't work with files outside your web root, you can get the
same effect by putting your password in .htppasswd.inc.php and
including that. Although honestly it's not a big gain over including a
php file which is directly addressable and parsed as a php file.
At the end of the day there's no simple solution to ensuring that only
your approved scripts read from your configuration files to get
credentials to access other secure resources. base_open_dir goes a
long way to improving things on a shared server if its done right -
but it doesn't provide any protection if a malicious user can get
their own php code executing on your server.
Suhosin has a lot of interesting bits in in it - like a session
encryptor, but I think that there is potentially a gap in the
marketplace for a trusted php platform.
C.
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