Klander, Lars. Hacker proof : the ultimate guide to network security / by Lars Klander. - Las Vegas, NV : Jamsa Pres, c1997. - xxii, 660 p. : ill. ; 24 cm. + 1 computer optical disc (4 3/4 in.) Includes index. ISBN: 188413355X (pbk.) : LCCN: 98112177 Subjects--Topical Terms: Computer security.Computer networks--Security measures. Dewey Class. No.: 004.67 / KLH 1997