00511nam a2200205Ia 4500 STCL 230726s9999 xx 000 0 und d 9789332578210 STCL STCL EN 22 Kaufman, Charlie Network security: private communication in a public world 2 Pearson Noida 2017 638 p 815 English Perlman, Radia; Speciner, Mike DDC 22 BKDDC 88990 88990 0 0 DDC 0 0 STCAL STCAL GEN 2023-07-26 1 005.8 KAU-N 97939 2024-05-22 00:00:00 2024-05-18 2023-07-26 BK