Linux security / 
Shadab Siddiqui with NIIT. 
 - Indianapolis, Ind. :  Premier Press,  2002. 
 - xix, 488 p. ;  24 cm. 
<br/><br/>Includes index : p.456-488 
<br/><br/><label>ISBN: </label>1931841993 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Linux.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.
<br/><br/><label>LC Class. No.: </label>QA76.9.A25  / S524 2002