Davis, Carlton R. <br/><br/>
IPSec  securing VPNs 

 - New Delhi  Tata McGraw-Hill  2001 
 - xvii, 404p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Computer security
<br/><br/><label>Dewey Class. No.: </label>621.3853  / D23I