000			00390 a2200133 4500
005			20230607154328.0
050			_aTK5105.59 _bRig.
100			_aRiggs, Cliff.
245			_aNetwork perimeter security : building defense in-depth / _cCliff Riggs.
501			_a13103
650			_aComputer networks - Security measures.
260			_bAuerbach Publicatiions _c2004.
942			_cBK _oTK5105.59 Rig.
999			_c8250 _d8250