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Moving sensitive files outside the web root

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Revision as of 11:05, 4 April 2011 by Realityking (Talk | contribs)

Using symlinks?

Can the same kind of security not be reached using a symlink on *nix systems? So you place the configuration.php above the webroot and place a symlink from the original position to the new place of the configuration.php?

Symlinks defeat this.

Normally, web servers will follow symlinks. (although this is configurable on most web servers.)

If you move files out of the web root and make a symlink to them the files are still readable by the world.

The advantage of moving read only files out of the web root and making a symbolic link to them is that it allows you to segment your auditing of your server, and allows things as simple as find -type f to locate all files to be audited after a suspected intrusion.

Further more, symlinks can cause certain attacks to fail as they are based on assumptions that are not true.

I am a big fan of symlinks, but they are no substitute for not allowing access to the files in question.

Discussion on the forum

Moving the reference to the discussion on the forum over to this page. Thread on the forum: forum topic