Snader, Jon C <br/><br/>
VPNs illustrated : tunnels, VPNs, and IPsec 
Jon C. Snader 
 - Boston, MA  Addison Wesley  2006 
 - xv,, 461 p. : ill. ; 23 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131706701 
<br/><br/><label>ISSN: </label>2005023223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extranets (Computer networks)<br/>IPSec (Computer network protocol)
<br/><br/><label>Dewey Class. No.: </label>004.678 SNA