TY  - BOOK
AU  - "McDysan, David E"
TI  - VPN applications guide
SN  - 471371750
CY  - New York
KW  - Business enterprises--Computer networks
KW  - Computer networks--Security measures
KW  - Extranets (Computer networks)
KW  - Internet (Computer network)
N1  - includes bibliographical references and index
ER  -