00349    a2200121   4500020001500000082001500015100001800030245005800048260004200106300002000148650004100168650001800209  a0830692800  a005.8bCOB  aCobb, Stephen  aThe stephen cobb complete book of PC and LAN security  aNew yorkbWindcrest Booksc1992g1992  axvi,556p.c24cm  aComputer programming, programs, data  aData security