000			00533nam a2200205Ia 4500
999			_c35302 _d35302
005			20190905152706.0
008			180611s9999||||xx |||||||||||||| ||und||
020			_a9788131716649
041			_aen
082			_a5.8
100			_aStallings ,William _94590
245		0	_aNetwork Security Essentials
250			_a3rd ed.
260			_aNew Delhi _bDorling Kindersley Pvt Ltd _c2011
300			_axiv, 409 p
650			_aIP Security _94591
650			_afirewalls _94212
650			_amalicious software _94564
942			_cPR _2ddc