TY  - BOOK
AU  - Harrington, Jan L.
TI  - Network security: a practical approch
SN  - 9788131202166
U1  - 005.8 HAR 
PY  - 2015///
CY  - Amsterdam
PB  - Elsevier/morgan Koufmann
KW  - Netwrok security
KW  - Internet Security
ER  -