TY - BOOK AU - Zalewski,Michal ED - Safari eBooks. TI - Silence on the wire: a field guide to passive reconnaissance and indirect attacks SN - 1593270461 PY - 2005/// KW - Computer networks KW - Security measures KW - Electronic books KW - local N1 - Includes index; Electronic reproduction; Boston, Mass.; Safari Books Online; 2006; Mode of access: World Wide Web; Available to subscribing institutions UR - http://ezproxy.alfaisal.edu/login?url=http://academic.safaribooksonline.com/?uiCode=sdl&xmlId=1593270461 ER -