TY  - BOOK
AU  - Northcutt,Stephen
AU  - Edmead,Mark T.
TI  - Inside network perimeter security: the definitive guide to  firewalls, VPNs, routers, and intrusion detection systems 
SN  - 0735712328
AV  - TK5105.59.I5 2003 
PY  - 2003///
CY  - Indianapolis, Ind.
PB  - New Riders
KW  - Computer networks
N1  - Includes bibliographical references and index
ER  -