TY  - BOOK
AU  - Snader, Jon C
TI  - VPNs illustrated : tunnels, VPNs, and IPsec
SN  - 9788131706701
SN  - 200502322
U1  - 004.678 SNA 
PY  - 2006///
CY  - Boston, MA
PB  - Addison Wesley
KW  - Extranets (Computer networks)
KW  - IPSec (Computer network protocol)
N1  - Includes bibliographical references and index
ER  -