000			00500nam a2200133Ia 4500
008			241210s9999 xx 000 0 und d
020			_a8178087618
082			_a005.8 _bI5I
245		0	_aInside network perimeter security _bthe definitive guide to firewalls, VPNs, rooters and intrusion detection systems _cStephan Northcutt . [et al].
260			_aDelhi _bPearson Education _c2003
300			_axxvii, 678p.: ill; 26cm.
650			_aComputer networks-Security measures.
700			_aNotrhcutt, Stephen
999			_c41731 _d41731