Stanger, James <br/><br/>
Hack proofing linux:  your guide to open source security 
James Stanger 
 - Rockland, MA  Syngress publishing  2001 
 - xxix, 673p. 
<br/><br/><label>ISBN: </label>9 781928 994343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VPN.<br/>Encryption.
<br/><br/><label>Dewey Class. No.: </label>004.056 STA