TY  - BOOK
AU  - Zwicky, Elizabeth
TI  - Building internet firewalls
U1  - 681.14 P0 
PY  - 2000///
CY  - Sebastopol
PB  - O Reilly
KW  -  Elizabeth D. Zwicky, Simon cooper and D.Brent Chapman
KW  - Chapman, Brent D jt.auth.
KW  - Cooper, Simon jt.auth
KW  - Internet Firewalls,Network Security,Internet Services,Firewall Design
ER  -