Harrington, Jan L. <br/><br/>
Network security: a practical approach   a practical approach  
Jan L. Harrington. 
 - Amsterdam ;  Boston :  Elsevier :  Morgan Kaufmann Publishers,  c2005. 
 - xv, 365 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0123116333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.8