TY  - BOOK
AU  - Mallery, John
AU  - Zann, Jason
AU  - Kelly, Patrick
TI  - Hardening Network Security
SN  - 9780070599178
U1  - 005.8 
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing Company Ltd.
ER  -