Simson Garfinkel, Gene Spafford & Alan Schwartz - <br/><br/>
Practical Unix And Internet Security 

 - 3rd ed 
 -   O'reilly  ©2003 
<br/><br/><label>ISBN: </label>9780596003234  230.5 
<br/><br/><label>Dewey Class. No.: </label>005.432 GAR.3