00311nam a2200145Ia 4500100003200000650001200032250000600044366000700050654002100057245002100078260003300099082001300132300000800145546001200153  aKaufman/Charlie/ Perlman/R   aNetwork  a2  f25  anetwork security  aNetwork Security  bPrentice Hall of Indiac2002  a5.8bKAU  a713  aENGLISH