00477nam a22001577a 450000500170000000800410001702000180005808200150007610000210009124500620011225000120017426000440018630000160023050400510024665000220029720260609101213.0260609b        |||||||| |||| 00| 0 eng d  a9780136643609  a005.8bNET1 aKaufman, Charlie10aNetwork Security: Private Communication in a Public World  a3rd ed   aBoston :bPearson Education, Inc,c2023  axx, 455 p:   aIncludes bibliographical references and index.  aComputer Science