00643nam a22001932  4500001001100000005001700011008004100028020001700069040001500086050002500101100003400126245011400160250001200274260003500286300001100321650005400332700003100386700003200417000000519620151217145824.0070608s         xx           000 0 eng d  a8178087901 :  aKABUcKABU 0aTK5105.59b.K38 20021 aKaufman, Charlie.@000015635310aNetwork security :bprivate communication in a public world /cCharlie Kaufman, Radia Perlman, Mike Speciner.  a2nd ed.  aDelhi :bPearson Educ.,c2002.  a729 p. 0aComputer networksxSecurity measures.@00001482241 aPerlman, Radi.@00001563541 aSpeciner, Mike.@0000156355