TY  - BOOK
AU  - Porter, Thomas
AU  - Gough, Michael
TI  - How to Cheat at Viop Security 
SN  - 9781597491693
U1  - 004.69 
PY  - 2007///
CY  - Rockland : 
PB  - Syngress, 
KW  - Computer Networks Security Measures
KW  - Internet Telephony Security Measures
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-1-59749-169-3.pdf
ER  -