00491pamaa2200169 4500 0000036369 20050923090000.0 0072229578 (pbk) 005.8 MAI TK5105.59 MAI 2003 MAIWALD NETWORK Securiy : a beginner's guide Eric Maiwald. 2nd ed.. New York: Osborne/McGraw-Hill, 2003. xvii, 475p.: ill.; 23 cm. Computer networks -- Security measures Computer security