footnote distance

[Manuel Campos Martínez]

How to increment the distance between the text and the footnote?

I'm using report style.

I've tried:
\setlength{\footskip}{15mm}

and it works with page number (before they also appears very near the text) but not 
with
footnotes.

thank you.

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 · Manuel Campos Martínez         
 · cleese AT teleline DOT es           
 · Linux User #190701