Andr़s, Steven  Kenyon, Brian <br/><br/>
Security Sage's Guide to Hardening the Network Infrastructure   

 -  Syngress Publishing  2004. 
 - 545 Pages 
<br/><br/><label>ISBN: </label>0861769171 
<br/><br/><label>Dewey Class. No.: </label>660.2842  /