TY - BOOK AU - Klander,Lars TI - Hacker proof: the ultimate guide to network security SN - 188413355X (pbk.) : AV - QA76.9.A25 K55 1997 U1 - 005.8 21 PY - 1997/// CY - Las Vegas, NV PB - Jamsa Pres KW - Computer networks KW - Security measures KW - Computer security N1 - "Companion CD-ROM includes trial security software for Windows NT"--Cover; Includes index ER -