00732nam a22002051 4500 1/19878 030526s2001 enk 0 1 eng d 0849308763 20459 DLC GR-PeUP 005.8 TI Tiller, James S. A technical guide to IPSec virtual privete networks / James S. Tiller Boca Raton : Auerbach, : 2001 xxv, 346 p. : 25 cm. Includes bibliographical references and indexes Extranets (Computer networks) Security measures. IPSec (Computer network protocol) INST UNIPILB MAIN 20040709 005.8 TI 00141333 00141333 LOAN 0 1 /webopac/covers/01/20459_0849308763.jpg