Hardening network security / 
John Mallery ... [et al.] 
 - New York:  McGraw-Hill,  2005 
 - xxx, 593 p.:  ill.;  24 cm. 
<br/><br/> Includes index  Cover titles: Bulletproof your systems before you are hacked! 
<br/><br/><label>ISBN: </label>0072257032 97800722257038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures