TY  - BOOK
AU  - Stewart, J. Michael
AU  - Kinsey, Denise 
TI  - Network security, firewalls, and VPNs
T2  - (Information Systems Security & Assurance Series)
SN  - 978-1-284-18365-8 (pbk.)
PY  - 2021///
CY  - Burlington, MA
PB  - Jones & Bartlett Learning
KW  - Firewalls (Computer security)
KW  - Computer networks
KW  - Security measures
N1  - Includes appendices, bibliography, glossary and index
ER  -