Inside network perimeter security :  the definitive guide to firewalls, VPNs, routers, and intrusion detection systems 

 - 1st ed. 
 - Boston :   New Riders,  2003 
 - xxvii, 678 p. :  il.  ;  24 cm. 
<br/><br/><label>ISBN: </label>0735712328 
<br/><br/><label>Standard No.: </label>DIF-M1550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEGURIDAD Y PROTECCIÓN