Noonan, Wesley J. <br/><br/>
Hardening network infrastructure / 
Wesley J. Noonan 
 - New York :  McGraw-Hill,  2004 
 - xxi, 552 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0072255021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Computer networks--Security networks