Being safe on the internet (was Re: Here we go again - ISP DPI, but is it interception?)

Matthew Pemble matthew at
Wed Aug 4 12:10:46 BST 2010

On 4 August 2010 11:53, Nicholas Bohm <nbohm at> wrote:

> Taking the above example, could you explain the difference in effect
> between and
> ?  Do they not
> lead to the same location on the server, namely /var/www/
Not quite - the first has 3 'parents' - so should aim you at the parent
directory above the defined webroot for (which might be /var/www
or, more usually, /var/www/ and lead you, swiftly, to an error
page. The second should take you to the default file in the webroot
directory defined below /var/www/ - e.g. /var/www/

I think? It always used to hurt my brain when doing this, especially once
you unicoded everything, so I generally used 'cut and paste' from a
pre-prepared attack script.

Matthew Pemble
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