Howlett, Tony. <br/><br/>
Open source security tools : practical applications for security (EBOOK) 
Tony Howlett. 
 - Upper Saddle River, NJ :  Prentice Hall,  c2005. 
 - xxi, 578 p. :  ill. ;  24 cm. +  1 CD-ROM (4 3/4 in.) 
 - Bruce Perens' Open Source series .
<br/><br/><label>ISBN: </label>0321194438 (pbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2004009479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.<br/>Open source software.
<br/><br/><label>Dewey Class. No.: </label>005.8