DuckCorp Dico

Found one definition

1.                 From The Jargon File (version 4.4.7, 29 Dec 2003):
                   
   
   
                   
                     
   AUP
    /A·U·P/
       Abbreviation, “Acceptable Use Policy”. The policy of a given ISP which sets
       out what the ISP considers to be (un)acceptable uses of its Internet
       resources.